Company lists · Data refreshed September 2026
Top 25 Patent prosecution firms worldwide
RevenueBase identified 4,165 company matches for patent prosecution firms worldwide as of September 2026 and tracks 54,788 professional contacts across them, including 24,209 with verified work emails. The United States is the largest market and New Delhi the largest hub.
This list covers company matches for patent prosecution firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026. Country and city lists for patent prosecution firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest patent prosecution firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,167 contacts → | ||||
Exact match “As the leading intellectual property law firm, we help innovators change the world through our unmatched litigation, prosecution, and post-grant experience across venues and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 936 contacts → | ||||
Exact match “When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 754 contacts → | ||||
Exact match “Since 2004, MaxVal has helped the world's most innovative organizations capitalize on their intellectual property by being different from the legacy IP solution providers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 584 contacts → | ||||
Exact match “Rouse was established in the UK in 1990 and is recognised as a global intellectual property (IP) leader operating as a collaborative network with more than people working out of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 573 contacts → | ||||
Exact match “We’re true specialists – focusing on IP and IP alone.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 538 contacts → | ||||
Exact match “HGF is one of Europe’s largest firms of Intellectual Property specialists.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 521 contacts → | ||||
Exact match “Smart & Biggar is a Canadian intellectual property law firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 488 contacts → | ||||
Exact match “Sagacious IP is the World’s LARGEST IP research firm that reliably supports the worldwide IP community including Large Corporations, Small & Mid-size Corporations, IP law firms…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 482 contacts → | ||||
Exact match “Anand and Anand is a leading full-service intellectual property law firm, providing end-to-end legal solutions across all facets of intellectual property and allied practice areas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 468 contacts → | ||||
Exact match “Sterne, Kessler, Goldstein & Fox is a full-service intellectual property law firm that provides innovative solutions tailored to your business and industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 454 contacts → | ||||
Exact match “K&S Partners is a leading intellectual property law firm in India, offering a full range of IP management services to clients worldwide, including Fortune 500 companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 428 contacts → | ||||
Exact match “Wolf, Greenfield & Sacks, P.C.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 386 contacts → | ||||
Exact match “Zacco is an international full-service IP firm, with around 125 authorised patent attorneys, 75 authorised trademark and design attorneys, and 20 experts in Digital brands and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 369 contacts → | ||||
Exact match “Spruson & Ferguson is a leading provider of intellectual property (IP) services across the Asia-Pacific region, with more than 490 staff working from our offices in Bangkok…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 354 contacts → | ||||
Exact match “Spoor & Fisher handles the filing, registration, prosecution and enforcement of trade marks, patents, designs and copyright.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 335 contacts → | ||||
Exact match “Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 324 contacts → | ||||
Exact match “We believe tomorrow is today’s emerging business – rising up from untapped potential within established industries and start-ups.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 318 contacts → | ||||
Exact match “Founded in 1906, Plasseraud IP is one of the leading European firms in the IP sector, and among the largest in France.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 317 contacts → | ||||
Exact match “An intellectual property law firm at the leading edge of patent, trademark and copyright law, licensing agreements, trade secret litigation, and more, expect a unique combination…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 288 contacts → | ||||
Exact match “For more than 100 years Banner Witcoff has provided sound protection and inventive intellectual property solutions for some of the world’s most innovative organizations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 275 contacts → | ||||
Exact match “SLW is a boutique law firm dedicated to protecting intellectual property.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 275 contacts → | ||||
Exact match “LexOrbis is a premier IP-Boutique firm based at New Delhi, India.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 266 contacts → | ||||
Exact match “Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 258 contacts → | ||||
Exact match “Innovators by nature, we seek to apply creativity and multidisciplinary approach to various projects.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 242 contacts → | ||||
Exact match “Effectual Services is a well established and fast growing patent and legal support services company having experience and expertise in providing patent and legal services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “patent prosecution firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 4,165 patent prosecution firms worldwide
See the full list, filter by size, metro and specialty, and access 24,209 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Patent prosecution firms worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for patent prosecution firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “patent prosecution firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 24,209 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Patent prosecution firms by location
25 lists · largest firstEvery Patent prosecution firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Patent prosecution firms based in the United States1,382
- Patent prosecution firms based in India387
- Patent prosecution firms based in Germany351
- Patent prosecution firms based in the United Kingdom149
- Patent prosecution firms based in Brazil113
- Patent prosecution firms based in France84
- Patent prosecution firms based in Canada80
- Patent prosecution firms based in Türkiye78
- Patent prosecution firms based in Italy62
- Patent prosecution firms based in Australia61
- Patent prosecution firms based in Japan60
- Patent prosecution firms based in Israel57
- Patent prosecution firms based in Spain42
- Patent prosecution firms based in Poland38
- Patent prosecution firms based in the Netherlands36
- Patent prosecution firms based in Switzerland33
- Patent prosecution firms based in Mexico32
Cities
- Patent prosecution firms based in Washington, United States62
- Patent prosecution firms based in New York, United States60
- Patent prosecution firms based in Chicago, United States44
- Patent prosecution firms based in Austin, United States33
- Patent prosecution firms based in Los Angeles, United States32
- Patent prosecution firms based in Alexandria, United States28
- Patent prosecution firms based in Houston, United States27
- Patent prosecution firms based in Dallas, United States25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “patent prosecution firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many patent prosecution firms are there worldwide?
RevenueBase identified 4,165 company matches for patent prosecution firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Fish & Richardson P.C tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most patent prosecution firms?
The United States leads with 1,382 companies, followed by India (387) and Germany (351). Every patent prosecution firms list by country and city is linked on this page.
Which city has the most patent prosecution firms?
New Delhi leads with 77 company records, followed by Munchen (68) and Washington (62).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 24,209 professional contacts with verified work emails tracked across these 4,165 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,165 patent prosecution firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 patent prosecution firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 4,165 matching company records for patent prosecution firms worldwide, with 54,788 tracked contacts and 24,209 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 patent prosecution firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Fish & Richardson P.Cfr.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,167 contacts → |
“As the leading intellectual property law firm, we help innovators change the world through our unmatched litigation, prosecution, and post-grant experience across venues and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 936 contacts → |
“When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Maxval Group, INCmaxval.comHQ: Los Altos, CA, United StatesReported employees: 501-1,000 | Los Altos, CA, United States | 501-1,000 | Exact match | 754 contacts → |
“Since 2004, MaxVal has helped the world's most innovative organizations capitalize on their intellectual property by being different from the legacy IP solution providers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ROUSErouse.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 584 contacts → |
“Rouse was established in the UK in 1990 and is recognised as a global intellectual property (IP) leader operating as a collaborative network with more than people working out of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Marks & Clerkmarks-clerk.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 573 contacts → |
“We’re true specialists – focusing on IP and IP alone.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  HGF Limitedhgf.comHQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 538 contacts → |
“HGF is one of Europe’s largest firms of Intellectual Property specialists.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Smart & Biggarsmartbiggar.caHQ: Ottawa, ON, CanadaReported employees: 501-1,000 | Ottawa, ON, Canada | 501-1,000 | Exact match | 521 contacts → |
“Smart & Biggar is a Canadian intellectual property law firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sagaciouselevatesagaciousresearch.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 488 contacts → |
“Sagacious IP is the World’s LARGEST IP research firm that reliably supports the worldwide IP community including Large Corporations, Small & Mid-size Corporations, IP law firms…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Anand And Anandanandandanand.comHQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 482 contacts → |
“Anand and Anand is a leading full-service intellectual property law firm, providing end-to-end legal solutions across all facets of intellectual property and allied practice areas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sterne, Kessler, Goldstein & FOXsternekessler.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 468 contacts → |
“Sterne, Kessler, Goldstein & Fox is a full-service intellectual property law firm that provides innovative solutions tailored to your business and industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  K&s Partnersknspartners.comHQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 454 contacts → |
“K&S Partners is a leading intellectual property law firm in India, offering a full range of IP management services to clients worldwide, including Fortune 500 companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Wolf Greenfieldwolfgreenfield.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 428 contacts → |
“Wolf, Greenfield & Sacks, P.C.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ZACCOzacco.comHQ: Copenhagen, DenmarkReported employees: 501-1,000 | Copenhagen, Denmark | 501-1,000 | Exact match | 386 contacts → |
“Zacco is an international full-service IP firm, with around 125 authorised patent attorneys, 75 authorised trademark and design attorneys, and 20 experts in Digital brands and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Spruson & Fergusonspruson.comHQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 369 contacts → |
“Spruson & Ferguson is a leading provider of intellectual property (IP) services across the Asia-Pacific region, with more than 490 staff working from our offices in Bangkok…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Spoor & Fisherspoor.comHQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 354 contacts → |
“Spoor & Fisher handles the filing, registration, prosecution and enforcement of trade marks, patents, designs and copyright.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Licks Attorneyslickslegal.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 335 contacts → |
“Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AWAawa.comHQ: Malmö, SwedenReported employees: 201-500 | Malmö, Sweden | 201-500 | Exact match | 324 contacts → |
“We believe tomorrow is today’s emerging business – rising up from untapped potential within established industries and start-ups.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Plasseraud IPplass.comHQ: Paris, GermanyReported employees: 201-500 | Paris, Germany | 201-500 | Exact match | 318 contacts → |
“Founded in 1906, Plasseraud IP is one of the leading European firms in the IP sector, and among the largest in France.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Merchant & Gould P.Cmerchantgould.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 317 contacts → |
“An intellectual property law firm at the leading edge of patent, trademark and copyright law, licensing agreements, trade secret litigation, and more, expect a unique combination…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Banner Witcoffbannerwitcoff.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 288 contacts → |
“For more than 100 years Banner Witcoff has provided sound protection and inventive intellectual property solutions for some of the world’s most innovative organizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Schwegman Lundberg & Woessner, P.Aslwip.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 275 contacts → |
“SLW is a boutique law firm dedicated to protecting intellectual property.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lexorbislexorbis.comHQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 275 contacts → |
“LexOrbis is a premier IP-Boutique firm based at New Delhi, India.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Harness IPharnessip.comHQ: Bloomfield Hills, MI, United StatesReported employees: 201-500 | Bloomfield Hills, MI, United States | 201-500 | Exact match | 266 contacts → |
“Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kasznar Leonardoskasznarleonardos.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 258 contacts → |
“Innovators by nature, we seek to apply creativity and multidisciplinary approach to various projects.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Effectual Serviceseffectualservices.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 242 contacts → |
“Effectual Services is a well established and fast growing patent and legal support services company having experience and expertise in providing patent and legal services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,165 company matches
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Patent prosecution firms: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
4,153 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,165 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Patent prosecution firms by location
25 lists · largest firstEvery Patent prosecution firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Patent prosecution firms based in the United States1,382
- Patent prosecution firms based in India387
- Patent prosecution firms based in Germany351
- Patent prosecution firms based in the United Kingdom149
- Patent prosecution firms based in Brazil113
- Patent prosecution firms based in France84
- Patent prosecution firms based in Canada80
- Patent prosecution firms based in Türkiye78
- Patent prosecution firms based in Italy62
- Patent prosecution firms based in Australia61
- Patent prosecution firms based in Japan60
- Patent prosecution firms based in Israel57
- Patent prosecution firms based in Spain42
- Patent prosecution firms based in Poland38
- Patent prosecution firms based in the Netherlands36
- Patent prosecution firms based in Switzerland33
- Patent prosecution firms based in Mexico32
Cities
- Patent prosecution firms based in Washington, United States62
- Patent prosecution firms based in New York, United States60
- Patent prosecution firms based in Chicago, United States44
- Patent prosecution firms based in Austin, United States33
- Patent prosecution firms based in Los Angeles, United States32
- Patent prosecution firms based in Alexandria, United States28
- Patent prosecution firms based in Houston, United States27
- Patent prosecution firms based in Dallas, United States25
Questions about this company list
What does Exact match mean for patent prosecution firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many patent prosecution firms did RevenueBase find worldwide?
The saved snapshot records 4,165 matching company records, 54,788 tracked contacts and 24,209 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 patent prosecution firms worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/patent-prosecution-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 patent prosecution firms worldwide
RevenueBase records 4,165 matching company records for patent prosecution firms worldwide, with 54,788 tracked contacts and 24,209 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 patent prosecution firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Fish & Richardson P.Cfr.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 1,167 contacts → |
“As the leading intellectual property law firm, we help innovators change the world through our unmatched litigation, prosecution, and post-grant experience across venues and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 936 contacts → |
“When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Maxval Group, INCmaxval.com HQ: Los Altos, CA, United StatesReported employees: 501-1,000 | Los Altos, CA, United States | 501-1,000 | Exact match | 754 contacts → |
“Since 2004, MaxVal has helped the world's most innovative organizations capitalize on their intellectual property by being different from the legacy IP solution providers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ROUSErouse.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 584 contacts → |
“Rouse was established in the UK in 1990 and is recognised as a global intellectual property (IP) leader operating as a collaborative network with more than people working out of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Marks & Clerkmarks-clerk.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 573 contacts → |
“We’re true specialists – focusing on IP and IP alone.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HGF Limitedhgf.com HQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 538 contacts → |
“HGF is one of Europe’s largest firms of Intellectual Property specialists.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Smart & Biggarsmartbiggar.ca HQ: Ottawa, ON, CanadaReported employees: 501-1,000 | Ottawa, ON, Canada | 501-1,000 | Exact match | 521 contacts → |
“Smart & Biggar is a Canadian intellectual property law firm.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sagaciouselevatesagaciousresearch.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 488 contacts → |
“Sagacious IP is the World’s LARGEST IP research firm that reliably supports the worldwide IP community including Large Corporations, Small & Mid-size Corporations, IP law firms…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Anand And Anandanandandanand.com HQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 482 contacts → |
“Anand and Anand is a leading full-service intellectual property law firm, providing end-to-end legal solutions across all facets of intellectual property and allied practice areas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sterne, Kessler, Goldstein & FOXsternekessler.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 468 contacts → |
“Sterne, Kessler, Goldstein & Fox is a full-service intellectual property law firm that provides innovative solutions tailored to your business and industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | K&s Partnersknspartners.com HQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 454 contacts → |
“K&S Partners is a leading intellectual property law firm in India, offering a full range of IP management services to clients worldwide, including Fortune 500 companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Wolf Greenfieldwolfgreenfield.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 428 contacts → |
“Wolf, Greenfield & Sacks, P.C.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ZACCOzacco.com HQ: Copenhagen, DenmarkReported employees: 501-1,000 | Copenhagen, Denmark | 501-1,000 | Exact match | 386 contacts → |
“Zacco is an international full-service IP firm, with around 125 authorised patent attorneys, 75 authorised trademark and design attorneys, and 20 experts in Digital brands and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Spruson & Fergusonspruson.com HQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 369 contacts → |
“Spruson & Ferguson is a leading provider of intellectual property (IP) services across the Asia-Pacific region, with more than 490 staff working from our offices in Bangkok…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Spoor & Fisherspoor.com HQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 354 contacts → |
“Spoor & Fisher handles the filing, registration, prosecution and enforcement of trade marks, patents, designs and copyright.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Licks Attorneyslickslegal.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 335 contacts → |
“Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AWAawa.com HQ: Malmö, SwedenReported employees: 201-500 | Malmö, Sweden | 201-500 | Exact match | 324 contacts → |
“We believe tomorrow is today’s emerging business – rising up from untapped potential within established industries and start-ups.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Plasseraud IPplass.com HQ: Paris, GermanyReported employees: 201-500 | Paris, Germany | 201-500 | Exact match | 318 contacts → |
“Founded in 1906, Plasseraud IP is one of the leading European firms in the IP sector, and among the largest in France.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Merchant & Gould P.Cmerchantgould.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 317 contacts → |
“An intellectual property law firm at the leading edge of patent, trademark and copyright law, licensing agreements, trade secret litigation, and more, expect a unique combination…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Banner Witcoffbannerwitcoff.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 288 contacts → |
“For more than 100 years Banner Witcoff has provided sound protection and inventive intellectual property solutions for some of the world’s most innovative organizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Schwegman Lundberg & Woessner, P.Aslwip.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 275 contacts → |
“SLW is a boutique law firm dedicated to protecting intellectual property.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lexorbislexorbis.com HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 275 contacts → |
“LexOrbis is a premier IP-Boutique firm based at New Delhi, India.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Harness IPharnessip.com HQ: Bloomfield Hills, MI, United StatesReported employees: 201-500 | Bloomfield Hills, MI, United States | 201-500 | Exact match | 266 contacts → |
“Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kasznar Leonardoskasznarleonardos.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 258 contacts → |
“Innovators by nature, we seek to apply creativity and multidisciplinary approach to various projects.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Effectual Serviceseffectualservices.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 242 contacts → |
“Effectual Services is a well established and fast growing patent and legal support services company having experience and expertise in providing patent and legal services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Patent prosecution firms: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
4,153 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,165 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Patent prosecution firms by location
25 lists · largest firstEvery Patent prosecution firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Patent prosecution firms based in the United States1,382
- Patent prosecution firms based in India387
- Patent prosecution firms based in Germany351
- Patent prosecution firms based in the United Kingdom149
- Patent prosecution firms based in Brazil113
- Patent prosecution firms based in France84
- Patent prosecution firms based in Canada80
- Patent prosecution firms based in Türkiye78
- Patent prosecution firms based in Italy62
- Patent prosecution firms based in Australia61
- Patent prosecution firms based in Japan60
- Patent prosecution firms based in Israel57
- Patent prosecution firms based in Spain42
- Patent prosecution firms based in Poland38
- Patent prosecution firms based in the Netherlands36
- Patent prosecution firms based in Switzerland33
- Patent prosecution firms based in Mexico32
Cities
- Patent prosecution firms based in Washington, United States62
- Patent prosecution firms based in New York, United States60
- Patent prosecution firms based in Chicago, United States44
- Patent prosecution firms based in Austin, United States33
- Patent prosecution firms based in Los Angeles, United States32
- Patent prosecution firms based in Alexandria, United States28
- Patent prosecution firms based in Houston, United States27
- Patent prosecution firms based in Dallas, United States25
Questions about this company list
What does Exact match mean for patent prosecution firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many patent prosecution firms did RevenueBase find worldwide?
The saved snapshot records 4,165 matching company records, 54,788 tracked contacts and 24,209 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 patent prosecution firms worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/patent-prosecution-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗