Company lists · Data refreshed September 2026

Top 25 Trademark law firms based in the United States

RevenueBase identified 2,455 company matches for trademark law firms associated with the United States as of September 2026 and tracks 29,310 professional contacts across them, including 15,690 with verified work emails and 15,206 with mobile numbers. New York is the largest hub.

This list covers company matches for trademark law firms 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 September 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built
2,455Companies
29,310Contacts tracked
15,690Verified emails
15,206Mobile numbers
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The 25 largest trademark law firms based in the United States

Ranked by team size
Top 25 of 2,455 company matches for trademark law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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 matchBoston, MA, United StatesHQ recorded Sep 6, 20261,001-5,0001,167 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 6, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 6, 2026501-1,000936 contacts →

Exact match

“When your most valuable assets are ideas, innovation, and brand-you need the best.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchDetroit, MI, United StatesHQ recorded Sep 6, 2026501-1,000669 contacts →

Exact match

“Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Sep 6, 2026501-1,000606 contacts →

Exact match

“Knobbe Martens protects the ideas that drive innovation and propel our world forward.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchSeattle, WA, United StatesHQ recorded Sep 6, 2026501-1,000488 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 6, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 6, 2026201-500468 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 6, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 6, 2026201-500428 contacts →

Exact match

“Wolf, Greenfield & Sacks, P.C.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Sep 6, 2026201-500387 contacts →

Exact match

“Over 45 years providing superior legal services to clients of every size throughout the Midwest and across the country, Sandberg Phoenix is consistently rated as one of St.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchMinneapolis, MN, United StatesHQ recorded Sep 6, 2026201-500317 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 6, 2026 · View company records in RevenueBase
10Exact matchRoyal Oak, MI, United StatesHQ recorded Sep 6, 2026201-500307 contacts →

Exact match

“From our founding above a blacksmith shop in 1869 to the full-service law practice we’ve become in the 156 years since, we have consistently sought to earn each client’s trust by…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Sep 6, 2026201-500288 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 6, 2026 · View company records in RevenueBase
12Exact matchKansas City, MO, United StatesHQ recorded Sep 6, 2026501-1,000283 contacts →

Exact match

“Lathrop Gage clients are the backbone of our economy.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13Exact matchMinneapolis, MN, United StatesHQ recorded Sep 6, 2026201-500275 contacts →

Exact match

“SLW is a boutique law firm dedicated to protecting intellectual property.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchBloomfield Hills, MI, United StatesHQ recorded Sep 6, 2026201-500266 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 6, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Sep 6, 2026201-500258 contacts →

Exact match

“Irell & Manella LLP is a law firm focused on complex commercial and IP litigation.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 6, 2026201-500242 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 6, 2026 · View company records in RevenueBase
17Exact matchHartford, CT, United StatesHQ recorded Sep 6, 2026201-500222 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 · Sep 6, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 6, 202651-200213 contacts →

Exact match

“Marshall, Gerstein & Borun LLP has one focus - intellectual property law.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 6, 2026201-500211 contacts →

Exact match

“From Sughrue’s inception in 1957 to the present, we have focused solely on intellectual property law.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 6, 202651-200182 contacts →

Exact match

“Fross Zelnick is consistently recognized by clients and peers as one of the top IP law firms in the world.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21Exact matchGreenville, SC, United StatesHQ recorded Sep 6, 202651-200181 contacts →

Exact match

“Formed in 1984, Dority & Manning is a full-service intellectual property law firm.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchDallas, TX, United StatesHQ recorded Sep 6, 202651-200180 contacts →

Exact match

“Munck Wilson Mandala is a technology-focused law firm with offices in Dallas, Austin, Houston, Waco, Texas; Los Angeles, California; and South Florida.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23Exact matchWilmington, DE, United StatesHQ recorded Sep 6, 202651-200177 contacts →

Exact match

“Formidable lawyers deeply committed to anticipating the needs of our clients through innovation and superior client service.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchLos Angeles, CA, United StatesHQ recorded Sep 6, 202651-200172 contacts →

Exact match

“Glaser Weil is a premier law firm headquartered in Los Angeles with outstanding experience and market-leading successes in litigation, corporate, intellectual property and real…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchRoyal Oak, MI, United StatesHQ recorded Sep 6, 202651-200165 contacts →

Exact match

“The most effective IP solutions come from putting great minds together-yours and ours.”

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

Showing 25 of 2,455 trademark law firms based in the United States

See the full list, filter by size, metro and specialty, and access 15,690 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Trademark law firms based in the United States at a glance

As of Sep 6, 2026
53.5%Verified-email coverage
51.9%Mobile-number coverage
11.9Average contacts per company
1-10Median size (employees)
7.9%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
1,748
11-50
545
51-200
128
201-500
19
501-1,000
8
1,001-5,000
3

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “trademark law 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. 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 15,690 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 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 “trademark law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many trademark law firms are there based in the United States?

RevenueBase identified 2,455 company matches for trademark law firms associated with the United States 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 city has the most trademark law firms?

New York leads with 194 company records, followed by Chicago (86) and Washington (83).

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 15,690 professional contacts with verified work emails tracked across these 2,455 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 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.