Company lists · Data refreshed November 2026
Top 25 Patent litigation services based in the United States
RevenueBase identified 1,138 company matches for patent litigation services associated with the United States as of November 2026 and tracks 16,215 professional contacts across them, including 8,624 with verified work emails. Washington is the largest hub.
This list covers company matches for patent litigation services associated with the United States, 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 November 6, 2026.
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 litigation services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,550 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 984 contacts → | ||||
Exact match “When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 500 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 458 contacts → | ||||
Exact match “Wolf, Greenfield & Sacks, P.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 342 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 281 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 237 contacts → | ||||
Exact match “Cantor Colburn LLP is one of the largest intellectual property specialty law firms in the country, providing clients worldwide with the complete range of IP legal services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 173 contacts → | ||||
Exact match “McAndrews, Held & Malloy is a premier, full-service intellectual property and technology law firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 162 contacts → | ||||
Exact match “Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 162 contacts → | ||||
Exact match “Founded over 40 years ago, Workman Nydegger specializes in intellectual property (IP) law and complex litigation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 158 contacts → | ||||
Exact match “Patterson + Sheridan is a technology law firm specializing in the protection of client’s assets and rights, and does so by providing variety of services including: patent…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 157 contacts → | ||||
Exact match “Desmarais LLP is a leading intellectual property litigation firm with offices in New York, San Francisco, and Washington, D.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 156 contacts → | ||||
Exact match “Klarquist is one of the oldest and largest full-service intellectual property firms in the Pacific Northwest.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 153 contacts → | ||||
Exact match “Cardinal IP is a global leader in patent and trademark research, and a provider of software services for intellectual property management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 150 contacts → | ||||
Exact match “At MBHB, the legal and scientific credentials of our professionals are first rate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 150 contacts → | ||||
Exact match “Seed IP provides comprehensive legal assistance in all areas of intellectual property, including patents, trademarks, copyrights, trade secrets and unfair competition…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 143 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 142 contacts → | ||||
Exact match “The most innovative corporations in the world entrust The Webb Law Firm to safeguard their Intellectual Property.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 133 contacts → | ||||
Exact match “Since 1976, BSKB has been providing a full range of intellectual property law services to clients in the areas of patent prosecution, post-grant review, litigation, ITC…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 129 contacts → | ||||
Exact match “Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 112 contacts → | ||||
Exact match “With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 112 contacts → | ||||
Exact match “Clark+Elbing is a top-tier intellectual property (IP) law firm focused on protecting and promoting innovations in life science, chemistry, devices, and diagnostics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 103 contacts → | ||||
Exact match “Harrity & Harrity is a leading patent preparation and prosecution firm specializing in the electrical and mechanical technology areas, and is considered a Go-To Firm for the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 102 contacts → | ||||
Exact match “If you’re looking for a group of Intellectual Property attorneys who are smart enough to understand your vision, compassionate enough to appreciate your ingenuity, and wise enough…” Recorded in the RevenueBase company graph · Nov 6, 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 litigation services”. 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 1,138 patent litigation services based in the United States
See the full list, filter by size, metro and specialty, and access 8,624 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Patent litigation services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,138 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “patent litigation services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 8,624 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 November 6, 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.
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 litigation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many patent litigation services are there based in the United States?
RevenueBase identified 1,138 company matches for patent litigation services associated with the United States as of November 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 city has the most patent litigation services?
Washington leads with 52 company records, followed by New York (44) and Chicago (37).
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 8,624 professional contacts with verified work emails tracked across these 1,138 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,138 patent litigation services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Patent litigation services by geography
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States
- Patent litigation services based in New York, United States
- Patent litigation services based in Washington, United States
- Patent litigation services based in Canada
- Patent litigation services based in France
- Patent litigation services based in Germany
- Patent litigation services based in India
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States
Company intelligence · public preview
Top 25 patent litigation services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,138 matching company records for patent litigation services based in the United States, with 16,215 tracked contacts and 8,624 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: November 6, 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 litigation services based in the United States
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, IL, United StatesReported employees: 1,001-5,000 | Boston, IL, United States | 1,001-5,000 | Exact match | 1,550 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, CA, United StatesReported employees: 501-1,000 | Washington, CA, United States | 501-1,000 | Exact match | 984 contacts → |
“When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sterne, Kessler, Goldstein & FOXsternekessler.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 500 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Wolf Greenfieldwolfgreenfield.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 458 contacts → |
“Wolf, Greenfield & Sacks, P.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Merchant & Gould P.Cmerchantgould.comHQ: Minneapolis, TN, United StatesReported employees: 201-500 | Minneapolis, TN, United States | 201-500 | Exact match | 342 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Harness IPharnessip.comHQ: Bloomfield Hills, MI, United StatesReported employees: 201-500 | Bloomfield Hills, MI, United States | 201-500 | Exact match | 281 contacts → |
“Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cantor Colburn LLPcantorcolburn.comHQ: Hartford, CT, United StatesReported employees: 201-500 | Hartford, CT, United States | 201-500 | Exact match | 237 contacts → |
“Cantor Colburn LLP is one of the largest intellectual property specialty law firms in the country, providing clients worldwide with the complete range of IP legal services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Mcandrews, Held & Malloy, LTDmcandrews-ip.comHQ: Chicago, United StatesReported employees: 51-200 | Chicago, United States | 51-200 | Exact match | 173 contacts → |
“McAndrews, Held & Malloy is a premier, full-service intellectual property and technology law firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Leydig, Voit & Mayer, LTDleydig.comHQ: Chicago, CO, United StatesReported employees: 51-200 | Chicago, CO, United States | 51-200 | Exact match | 162 contacts → |
“Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Workman Nydeggerwnlaw.comHQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 162 contacts → |
“Founded over 40 years ago, Workman Nydegger specializes in intellectual property (IP) law and complex litigation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Patterson Sheridan, LLPpattersonsheridan.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 158 contacts → |
“Patterson + Sheridan is a technology law firm specializing in the protection of client’s assets and rights, and does so by providing variety of services including: patent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Desmarais LLPdesmaraisllp.comHQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 157 contacts → |
“Desmarais LLP is a leading intellectual property litigation firm with offices in New York, San Francisco, and Washington, D.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Klarquist Sparkman, LLPklarquist.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 156 contacts → |
“Klarquist is one of the oldest and largest full-service intellectual property firms in the Pacific Northwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cardinal Intellectual Propertycardinal-ip.comHQ: Evanston, IL, United StatesReported employees: 201-500 | Evanston, IL, United States | 201-500 | Exact match | 153 contacts → |
“Cardinal IP is a global leader in patent and trademark research, and a provider of software services for intellectual property management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 150 contacts → |
“At MBHB, the legal and scientific credentials of our professionals are first rate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Seed IP LAW Groupseedip.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 150 contacts → |
“Seed IP provides comprehensive legal assistance in all areas of intellectual property, including patents, trademarks, copyrights, trade secrets and unfair competition…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  LEE & Hayes, P.Cleehayes.comHQ: Spokane, TX, United StatesReported employees: 51-200 | Spokane, TX, United States | 51-200 | Exact match | 143 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  The Webb LAW Firmwebblaw.comHQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 142 contacts → |
“The most innovative corporations in the world entrust The Webb Law Firm to safeguard their Intellectual Property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Vienna, VA, United StatesReported employees: 51-200 | Vienna, VA, United States | 51-200 | Exact match | 133 contacts → |
“Since 1976, BSKB has been providing a full range of intellectual property law services to clients in the areas of patent prosecution, post-grant review, litigation, ITC…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kenyon & Kenyon LLPkenyon.comHQ: New York, DC, United StatesReported employees: Not recorded | New York, DC, United States | Not recorded | Exact match | 129 contacts → |
“Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Fitch, Even, Tabin & Flannery LLPfitcheven.comHQ: Chicago, CA, United StatesReported employees: 51-200 | Chicago, CA, United States | 51-200 | Exact match | 112 contacts → |
“With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Clark Elbing LLPclarkelbing.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 112 contacts → |
“Clark+Elbing is a top-tier intellectual property (IP) law firm focused on protecting and promoting innovations in life science, chemistry, devices, and diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Harrity & Harrity, LLPharrityllp.comHQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 103 contacts → |
“Harrity & Harrity is a leading patent preparation and prosecution firm specializing in the electrical and mechanical technology areas, and is considered a Go-To Firm for the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Maschoff Brennanmabr.comHQ: Park City, CA, United StatesReported employees: 51-200 | Park City, CA, United States | 51-200 | Exact match | 102 contacts → |
“If you’re looking for a group of Intellectual Property attorneys who are smart enough to understand your vision, compassionate enough to appreciate your ingenuity, and wise enough…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,138 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Patent litigation services: dataset insights
November 6, 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
1,137 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,138 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for patent litigation services?
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 litigation services did RevenueBase find based in the United States?
The saved snapshot records 1,138 matching company records, 16,215 tracked contacts and 8,624 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: November 6, 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
Patent litigation services by geography
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States
- Patent litigation services based in New York, United States
- Patent litigation services based in Washington, United States
- Patent litigation services based in Canada
- Patent litigation services based in France
- Patent litigation services based in Germany
- Patent litigation services based in India
Cite this list
RevenueBase Data Team. Top 25 patent litigation services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/patent-litigation-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States
Company intelligence · public preview
Top 25 patent litigation services based in the United States
RevenueBase records 1,138 matching company records for patent litigation services based in the United States, with 16,215 tracked contacts and 8,624 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: November 6, 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 litigation services based in the United States
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, IL, United StatesReported employees: 1,001-5,000 | Boston, IL, United States | 1,001-5,000 | Exact match | 1,550 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, CA, United StatesReported employees: 501-1,000 | Washington, CA, United States | 501-1,000 | Exact match | 984 contacts → |
“When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sterne, Kessler, Goldstein & FOXsternekessler.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 500 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Wolf Greenfieldwolfgreenfield.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 458 contacts → |
“Wolf, Greenfield & Sacks, P.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Merchant & Gould P.Cmerchantgould.com HQ: Minneapolis, TN, United StatesReported employees: 201-500 | Minneapolis, TN, United States | 201-500 | Exact match | 342 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Harness IPharnessip.com HQ: Bloomfield Hills, MI, United StatesReported employees: 201-500 | Bloomfield Hills, MI, United States | 201-500 | Exact match | 281 contacts → |
“Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cantor Colburn LLPcantorcolburn.com HQ: Hartford, CT, United StatesReported employees: 201-500 | Hartford, CT, United States | 201-500 | Exact match | 237 contacts → |
“Cantor Colburn LLP is one of the largest intellectual property specialty law firms in the country, providing clients worldwide with the complete range of IP legal services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Mcandrews, Held & Malloy, LTDmcandrews-ip.com HQ: Chicago, United StatesReported employees: 51-200 | Chicago, United States | 51-200 | Exact match | 173 contacts → |
“McAndrews, Held & Malloy is a premier, full-service intellectual property and technology law firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Leydig, Voit & Mayer, LTDleydig.com HQ: Chicago, CO, United StatesReported employees: 51-200 | Chicago, CO, United States | 51-200 | Exact match | 162 contacts → |
“Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Workman Nydeggerwnlaw.com HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 162 contacts → |
“Founded over 40 years ago, Workman Nydegger specializes in intellectual property (IP) law and complex litigation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Patterson Sheridan, LLPpattersonsheridan.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 158 contacts → |
“Patterson + Sheridan is a technology law firm specializing in the protection of client’s assets and rights, and does so by providing variety of services including: patent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Desmarais LLPdesmaraisllp.com HQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 157 contacts → |
“Desmarais LLP is a leading intellectual property litigation firm with offices in New York, San Francisco, and Washington, D.C.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Klarquist Sparkman, LLPklarquist.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 156 contacts → |
“Klarquist is one of the oldest and largest full-service intellectual property firms in the Pacific Northwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cardinal Intellectual Propertycardinal-ip.com HQ: Evanston, IL, United StatesReported employees: 201-500 | Evanston, IL, United States | 201-500 | Exact match | 153 contacts → |
“Cardinal IP is a global leader in patent and trademark research, and a provider of software services for intellectual property management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 150 contacts → |
“At MBHB, the legal and scientific credentials of our professionals are first rate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Seed IP LAW Groupseedip.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 150 contacts → |
“Seed IP provides comprehensive legal assistance in all areas of intellectual property, including patents, trademarks, copyrights, trade secrets and unfair competition…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | LEE & Hayes, P.Cleehayes.com HQ: Spokane, TX, United StatesReported employees: 51-200 | Spokane, TX, United States | 51-200 | Exact match | 143 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | The Webb LAW Firmwebblaw.com HQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 142 contacts → |
“The most innovative corporations in the world entrust The Webb Law Firm to safeguard their Intellectual Property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Vienna, VA, United StatesReported employees: 51-200 | Vienna, VA, United States | 51-200 | Exact match | 133 contacts → |
“Since 1976, BSKB has been providing a full range of intellectual property law services to clients in the areas of patent prosecution, post-grant review, litigation, ITC…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kenyon & Kenyon LLPkenyon.com HQ: New York, DC, United StatesReported employees: Not recorded | New York, DC, United States | Not recorded | Exact match | 129 contacts → |
“Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Fitch, Even, Tabin & Flannery LLPfitcheven.com HQ: Chicago, CA, United StatesReported employees: 51-200 | Chicago, CA, United States | 51-200 | Exact match | 112 contacts → |
“With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clark Elbing LLPclarkelbing.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 112 contacts → |
“Clark+Elbing is a top-tier intellectual property (IP) law firm focused on protecting and promoting innovations in life science, chemistry, devices, and diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Harrity & Harrity, LLPharrityllp.com HQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 103 contacts → |
“Harrity & Harrity is a leading patent preparation and prosecution firm specializing in the electrical and mechanical technology areas, and is considered a Go-To Firm for the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Maschoff Brennanmabr.com HQ: Park City, CA, United StatesReported employees: 51-200 | Park City, CA, United States | 51-200 | Exact match | 102 contacts → |
“If you’re looking for a group of Intellectual Property attorneys who are smart enough to understand your vision, compassionate enough to appreciate your ingenuity, and wise enough…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,138 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Patent litigation services: dataset insights
November 6, 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
1,137 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,138 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for patent litigation services?
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 litigation services did RevenueBase find based in the United States?
The saved snapshot records 1,138 matching company records, 16,215 tracked contacts and 8,624 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: November 6, 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
Patent litigation services by geography
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States
- Patent litigation services based in New York, United States
- Patent litigation services based in Washington, United States
- Patent litigation services based in Canada
- Patent litigation services based in France
- Patent litigation services based in Germany
- Patent litigation services based in India
Cite this list
RevenueBase Data Team. Top 25 patent litigation services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/patent-litigation-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Patent litigation services based in Munich, Germany
- Patent litigation services based in New Delhi, India
- Patent litigation services based in Austin, United States
- Patent litigation services based in Chicago, United States
- Patent litigation services based in Dallas, United States
- Patent litigation services based in Houston, United States