Company lists · Data refreshed November 2026

Top 25 Patent enforcement companies worldwide

RevenueBase identified 707 company matches for patent enforcement companies worldwide as of November 2026 and tracks 10,493 professional contacts across them, including 3,090 with verified work emails. The United States is the largest market and New Delhi the largest hub.

This list covers company matches for patent enforcement companies 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 November 6, 2026. Country and city lists for patent enforcement companies 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
707Companies
10,493Contacts tracked
3,090Verified emails
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The 25 largest patent enforcement companies worldwide

Ranked by team size
Top 25 of 707 company matches for patent enforcement companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSeattle, United StatesHQ recorded Nov 6, 2026501-1,000486 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500414 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500285 contacts →

Exact match

“Since being founded more than 75 years ago, we have become Australia’s most trusted intellectual property firm with offices across the country and a well-established presence in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500243 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500242 contacts →

Exact match

“J A Kemp is a firm packed with patent and trade mark attorneys at the top of their game, renowned for their technical excellence, human engagement and trusted advice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“Welcome to Ennoble IP An award-winning techno legal KPO and Intellectual Property (IP) platform that allows innovators, researchers, investors, entrepreneurs, and academia to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Nov 6, 2026201-500189 contacts →

Exact match

“Lavoixis a leading firm fully dedicated to IP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202651-200156 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
9Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“R K Dewan & Co was founded in 1942 by Raj Kumar Dewan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 2026201-500145 contacts →

Exact match

“V.O.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMohali, IndiaHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“The success of an idea depends on the ability to turn it into valuable assets/Intellectual property and this is the strength of Wissen research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202611-50120 contacts →

Exact match

“WiLAN develops and commercializes innovative patented technologies, manages intellectual property and licenses these inventions to corporations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Conley Rose is a leading intellectual property-only law firm that has been maximizing the value of clients’ intellectual property in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Was founded in 1964 Started serving the founders of today’s biggest holdings Now serving their third generation and expended globally along with them Established Turkey’s first…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRome, ItalyHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“We are an internationally recognised intellectual property firm specialising in the protection and enforcement of patents, trademarks, models, designs and copyrights.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Via LA is the collaborative licensing leader, dedicated to accelerating global technology adoption, fostering participation, and generating return on innovation with balanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Every idea has the potential to change the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTel-aviv, IsraelHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Ehrlich Group is unique in its ability to offer first class expertise in all matters concerning the protection and prosecution of intellectual property, which includes advice from…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Focused entirely on the worldwide protection of intellectual property rights in the United States and around the globe, few firms can match our breadth of experience and level of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchTherese, LuxembourgHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Sisvel is driven by a belief in the importance of collaboration, ingenuity and efficiency to bridge the needs of both patent owners and those who wish to access their technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSector-66, IndiaHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Established in 2012, iCuerious is a global intellectual property research and technology intelligence firm providing a full range of patent support and strategic analysis services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“A Trusted IP Advisor Since 1912 Deris is a one-stop shop for IP services with one of the largest and internationally regarded IP litigation and advisory team in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAlbany, NY, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact match深圳市, ChinaHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“PurpleVine IP Group, incorporated in Shenzhen, China, is a globally-oriented IP service provider committed to fostering innovation, collaboration, and promoting the value of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCA, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“A leading IP research firm offering comprehensive intellectual property and legal services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 707 patent enforcement companies worldwide

See the full list, filter by size, metro and specialty, and access 3,090 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Patent enforcement companies worldwide at a glance

As of Nov 6, 2026
29.4%Verified-email coverage
14.8Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · New Delhi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
409
11-50
218
51-200
49
201-500
18
501-1,000
7
1,001-5,000
2

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 enforcement companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “patent enforcement companies” 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 3,090 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.

Patent enforcement companies by location

3 lists · largest first

Every Patent enforcement companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 enforcement companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many patent enforcement companies are there worldwide?

RevenueBase identified 707 company matches for patent enforcement companies worldwide 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?

Sagaciouselevate tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most patent enforcement companies?

The United States leads with 209 companies, followed by India (95) and Germany (42). Every patent enforcement companies list by country and city is linked on this page.

Which city has the most patent enforcement companies?

New Delhi leads with 16 company records, followed by Munich (12) and Noida (9).

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 3,090 professional contacts with verified work emails tracked across these 707 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.

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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.