Company lists · Data refreshed September 2026

Top 25 Licensing law firms based in Washington, United States

RevenueBase identified 209 licensing law firms headquartered in Washington, United States as of September 2026 and tracks 12,208 professional contacts across them, including 7,908 with verified work emails. New York is the largest hub.

This list covers licensing law firms headquartered in Washington, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review
209Companies
12,208Contacts tracked
7,908Verified emails
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The 25 largest licensing law firms based in Washington, United States

Ranked by team size
Top 25 of 209 licensing law firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to licensing law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 20261,001-5,0002,333 contacts →

Indirect evidence

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Source: RevenueBase Database · checked Sep 14, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261,001-5,0002,073 contacts →

Partial evidence

“Recognized as one of the top firms for client service and quality of legal services, BakerHostetler is a leading law firm that helps clients around the world address their most…”

Source: RevenueBase Database · checked Sep 14, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261,001-5,0001,790 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261,001-5,0001,602 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026501-1,000936 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026501-1,000576 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-500468 contacts →

Partial evidence

“Sterne, Kessler, Goldstein & Fox is a full-service intellectual property law firm that provides innovative solutions tailored to your business and industry.”

Source: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-500267 contacts →

Indirect evidence

“Hausfeld successfully resolves disputes for its clients, driven by its bold approach and pioneering experience.”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-200230 contacts →

Partial evidence

“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.”

Source: RevenueBase Database · checked Sep 14, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-500211 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-200138 contacts →

Partial evidence

“With offices in Washington, DC, Denver, Colorado, and Austin, Texas, Wilkinson Barker Knauer (WBK) is the nation’s largest stand-alone communications and technology law firm.”

Source: RevenueBase Database · checked Sep 14, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20094 contacts →

Partial evidence

“Rothwell Figg is a forward-thinking, client-focused law firm practicing at the convergence of intellectual property, litigation, and technology.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20088 contacts →

Indirect evidence

“How are we different?”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-50073 contacts →

Indirect evidence

“On January 1, 2014, Dow Lohnes merged with Cooley LLP.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20072 contacts →

Partial evidence

“ZwillGen is a boutique law firm specializing in technology and privacy law.”

Source: RevenueBase Database · checked Sep 14, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20070 contacts →

Partial evidence

“PilieroMazza – a business law firm – serves as a strategic partner to government contractors and commercial businesses from across the United States in numerous industries.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20070 contacts →

Partial evidence

“HWG LLP is a boutique law firm designed to offer clients access to top tier legal talent without unnecessary overhead.”

Source: RevenueBase Database · checked Sep 14, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5044 contacts →

Partial evidence

“Berliner Corcoran & Rowe LLP is a boutique law firm focused on international law, export controls/sanctions/customs/OFAC/CFIUS, litigation, corporate and intellectual property law.”

Source: RevenueBase Database · checked Sep 14, 2026
19Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5040 contacts →

Indirect evidence

“O+Z is a dynamic litigation boutique founded by attorneys with extensive experience protecting content and brands.”

Source: RevenueBase Database · checked Sep 14, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5036 contacts →

Partial evidence

“Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…”

Source: RevenueBase Database · checked Sep 14, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5034 contacts →

Partial evidence

“Kelly IP is a leading IP law boutique focusing on litigation and counseling in trademark, unfair competition, false advertising, right-of-publicity, copyright, design protection…”

Source: RevenueBase Database · checked Sep 14, 2026
22Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20033 contacts →

Indirect evidence

“Wenderoth is an Intellectual Property firm with one primary focus - prosecution.”

Source: RevenueBase Database · checked Sep 14, 2026
23Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20033 contacts →

Indirect evidence

“Staas & Halsey LLP has provided clients with intellectual property protection and technical expertise since 1971.”

Source: RevenueBase Database · checked Sep 14, 2026
24Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20031 contacts →

Indirect evidence

“Weiner Brodsky Kider PC is a Washington, D.C-based firm with a national practice focused on compliance, regulatory, transactional and litigation matters related to financial…”

Source: RevenueBase Database · checked Sep 14, 2026
25Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 2026201-50030 contacts →

Indirect evidence

“At Buckley Sandler we focus on three key areas, financial services, government enforcement, and litigation, and do them exceptionally well.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 209 licensing law firms based in Washington, United States

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Licensing law firms based in Washington, United States at a glance

As of Sep 14, 2026
64.8%Verified-email coverage
58.4Average contacts per company
1-10Median size (employees)
317.2%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
143
11-50
44
51-200
11
201-500
5
501-1,000
2
1,001-5,000
4

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 209 companies.

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 RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Washington, 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.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names licensing law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
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 Washington 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 its RevenueBase Smart Search 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, 7,908 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 14, 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.

Licensing law firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names licensing law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 209 licensing law firms headquartered in Washington, 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?

Arnold & Porter, headquartered in Washington, tops this list with the largest team on record.

Which city has the most licensing law firms?

New York leads with 663 headquartered companies, followed by Los Angeles (332) and Chicago (273).

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 7,908 verified decision-maker contacts tracked across these 209 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 14, 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 Smart Search, 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.