Company lists · Data refreshed September 2026

Top 25 Licensing law firms based in the United States

RevenueBase identified 3,538 licensing law firms headquartered in the United States as of September 2026 and tracks 78,160 professional contacts across them, including 44,073 with verified work emails and 42,804 with mobile numbers. New York is the largest hub.

This list covers licensing law firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
3,538Companies
78,160Contacts tracked
44,073Verified emails
42,804Mobile numbers
Unlock all 3,538 companies Free signup · no credit card · 500 free credits

The 25 largest licensing law firms based in the United States

Ranked by team size
Top 25 of 3,538 licensing law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names licensing law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Cooley LLPIndirect evidence
Palo Alto, CA, United StatesHQ checked Sep 4, 20261,001-5,0003,314

“Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.”

Source: company website · checked Sep 4, 2026
2
Foley & Lardner LLPIndirect evidence
Milwaukee, MA, United StatesHQ checked Sep 4, 20261,001-5,0002,894

“Foley & Lardner LLP stands at the nexus of the Energy & Infrastructure, Health Care & Life Sciences, Innovative Technology, and Manufacturing Sectors.”

Source: company website · checked Sep 4, 2026
3
Perkins CoieIndirect evidence
Seattle, WI, United StatesHQ checked Sep 4, 20261,001-5,0002,734

“Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.”

Source: company website · checked Sep 4, 2026
4
Dechert LLPPartial evidence
Philadelphia, PA, United StatesHQ checked Sep 4, 20261,001-5,0002,056

“Dechert is the law firm that helps business leaders lead.”

Source: company website · checked Sep 4, 2026
5Columbia, SC, United StatesHQ checked Sep 4, 20261,001-5,0002,036

“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.”

Source: company website · checked Sep 4, 2026
6
Venable LLPPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 20261,001-5,0001,791

“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…”

Source: company website · checked Sep 4, 2026
7
Ballard Spahr LLPPartial evidence
Philadelphia, DC, United StatesHQ checked Sep 4, 20261,001-5,0001,720

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Source: company website · checked Sep 4, 2026
8
Crowell & MoringPartial evidence
Washington, IL, United StatesHQ checked Sep 4, 20261,001-5,0001,626

“Crowell & Moring is an international law firm with operations in the United States, Europe, MENA, and Asia.”

Source: company website · checked Sep 4, 2026
9
Fish & Richardson P.CPartial evidence
Boston, TX, United StatesHQ checked Sep 4, 20261,001-5,0001,534

“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…”

Source: company website · checked Sep 4, 2026
10
MINTZPartial evidence
Boston, United StatesHQ checked Sep 4, 20261,001-5,0001,318

“Mintz is a full-service law firm serving clients in the life sciences, energy, private equity, and technology industries.”

Source: company website · checked Sep 4, 2026
11
Snell & WilmerPartial evidence
Phoenix, CA, United StatesHQ checked Sep 4, 2026501-1,0001,233

“Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 500 lawyers practicing in 17 locations throughout the United States and in Mexico.”

Source: company website · checked Sep 4, 2026
12
Fenwick & WestPartial evidence
Silicon Valley, CA, United StatesHQ checked Sep 4, 2026501-1,0001,138

“Fenwick is a leading law firm, purpose-built to guide visionary tech and life sciences companies and their investors through every stage of growth, from startups securing their…”

Source: company website · checked Sep 4, 2026
13Washington, DC, United StatesHQ checked Sep 4, 2026501-1,000942

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

Source: company website · checked Sep 4, 2026
14
Saul Ewing LLPIndirect evidence
Philadelphia, PA, United StatesHQ checked Sep 4, 2026501-1,000918

“Inspired People.”

Source: company website · checked Sep 4, 2026
15
CT CorporationPartial evidence
New York, NY, United StatesHQ checked Sep 4, 20261,001-5,000788

“CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.”

Source: company website · checked Sep 4, 2026
16
Michael BestIndirect evidence
Milwaukee, TX, United StatesHQ checked Sep 4, 2026501-1,000788

“We solve complex challenges through bold thinking, precise execution, and shared purpose-delivering clarity, confidence, and results.”

Source: company website · checked Sep 4, 2026
17
Epstein Becker GreenPartial evidence
New York, MD, United StatesHQ checked Sep 4, 2026501-1,000697

“Clients turn to Epstein Becker Green for strategic counsel in employment and labor law, health care and life sciences, and complex litigation.”

Source: company website · checked Sep 4, 2026
18
Butler Snow LLPIndirect evidence
Ridgeland, TN, United StatesHQ checked Sep 4, 2026501-1,000692

“With over 400 attorneys in offices in Albuquerque, Ambler (PA), Atlanta, Austin, Baton Rouge, Bethlehem (PA), Birmingham, Boston, Charleston, Dallas, Denver, Gulfport, Huntsville…”

Source: company website · checked Sep 4, 2026
19
Kelley Drye & Warren LLPPartial evidence
New York, CA, United StatesHQ checked Sep 4, 2026501-1,000686

“Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…”

Source: company website · checked Sep 4, 2026
20
FennemoreIndirect evidence
Phoenix, TX, United StatesHQ checked Sep 4, 2026501-1,000677

“Since 1885, Fennemore has provided legal counsel to help clients thrive in a complex, evolving business and legal landscape.”

Source: company website · checked Sep 4, 2026
21
Honigman LLPPartial evidence
Detroit, MI, United StatesHQ checked Sep 4, 2026501-1,000666

“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…”

Source: company website · checked Sep 4, 2026
22
Knobbe MartensIndirect evidence
Irvine, CA, United StatesHQ checked Sep 4, 2026501-1,000618

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

Source: company website · checked Sep 4, 2026
23
Robinson ColePartial evidence
Hartford, MA, United StatesHQ checked Sep 4, 2026201-500617

“Robinson+Cole is a service mark of Robinson & Cole LLP, a law firm with offices throughout the Northeast, Mid-Atlantic, Florida, and California serving regional, national, and…”

Source: company website · checked Sep 4, 2026
24
Greenspoon Marder LLPPartial evidence
Fort Lauderdale, FL, United StatesHQ checked Sep 4, 2026501-1,000579

“Greenspoon Marder LLP is a full-service law firm with over 215 attorneys and more than 20 office locations across the United States.”

Source: company website · checked Sep 4, 2026
25
Wiley Rein LLPIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 2026501-1,000576

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Source: company website · checked Sep 4, 2026

Showing 25 of 3,538 licensing law firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 44,073 reachable decision-makers.

Free signup · no credit card

See all 3,538 companies

Licensing law firms based in the United States at a glance

As of Sep 4, 2026
1-10Median size (employees)
New YorkLargest hub · 264 HQs
42,804Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
2,471
11-50
764
51-200
212
201-500
47
501-1,000
18
1,001-5,000
16

Verified emails by last verification

0–30
0
31–60
3,901
61–90
23,434
90–180
16,505
180+
233

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among licensing law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in the United States whose own description of what they do matches “licensing law firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among licensing law firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 44,073 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

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

RevenueBase identified 3,538 licensing law firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Cooley LLP, headquartered in Palo Alto, tops this list with the largest team on record.

Which city has the most licensing law firms?

New York leads with 264 headquartered companies, followed by Los Angeles (131) and Washington (120).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 44,073 verified decision-maker contacts tracked across these 3,538 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,538 licensing law firms based in the United States. Start with a free account, no credit card.

Get the full list

Related lists

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.