Company lists · Data refreshed September 2026

Top 25 Pharma law firms based in the United States

RevenueBase identified 1,929 pharma law firms headquartered in the United States as of September 2026 and tracks 49,258 professional contacts across them, including 28,281 with verified work emails. New York is the largest hub.

This list covers pharma 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 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 29, 2026 86% judged on-target in blind review
1,929Companies
49,258Contacts tracked
28,281Verified emails
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The 25 largest pharma law firms based in the United States

Ranked by team size
Top 25 of 1,929 pharma law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to pharma 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 evidencePalo Alto, CA, United StatesHQ checked Sep 29, 20261,001-5,0003,341 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0002,041 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 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 29, 2026
4Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0001,682 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 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 29, 2026
6Indirect evidenceDetroit, MI, United StatesHQ checked Sep 29, 20261,001-5,0001,343 contacts →

Indirect evidence

“At Clark Hill, our value proposition is simple.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceBoston, MA, United StatesHQ checked Sep 29, 20261,001-5,0001,326 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidencePittsburgh, PA, United StatesHQ checked Sep 29, 2026501-1,0001,197 contacts →

Partial evidence

“Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceBoston, MA, United StatesHQ checked Sep 29, 20261,001-5,0001,167 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceSilicon Valley, CA, United StatesHQ checked Sep 29, 2026501-1,0001,126 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 29, 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 29, 2026
12Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000701 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000690 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceIrvine, CA, United StatesHQ checked Sep 29, 2026501-1,000606 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 29, 2026501-1,000576 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceCleveland, OH, United StatesHQ checked Sep 29, 2026201-500481 contacts →

Partial evidence

“Tucker Ellis LLP is a full-service law firm of more than 240 lawyers serving clients from “11 Long Hallways” nationwide: Atlanta, Chicago, Cleveland, Columbus, Los Angeles…”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 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 29, 2026
18Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 2026201-500428 contacts →

Indirect evidence

“Wolf, Greenfield & Sacks, P.C.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceSt Louis, MO, United StatesHQ checked Sep 29, 2026201-500387 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 2026201-500336 contacts →

Indirect evidence

“For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceNew Orleans, LA, United StatesHQ checked Sep 29, 2026201-500328 contacts →

Indirect evidence

“Galloway Johnson Tompkins Burr & Smith stands ready as a premier corporate defense and litigation firm in the Gulf South and Midwest to be your strategic advisor.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 29, 2026201-500310 contacts →

Indirect evidence

“At Burns White LLC, we are committed to representing our clients with excellence.”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceRoyal Oak, MI, United StatesHQ checked Sep 29, 2026201-500307 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceDetroit, MI, United StatesHQ checked Sep 29, 2026201-500303 contacts →

Partial evidence

“Bodman PLC is one of the Midwest's leading business law firms with more than 170 lawyers.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceKansas City, MO, United StatesHQ checked Sep 29, 2026501-1,000283 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 1,929 pharma law firms based in the United States

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Pharma law firms based in the United States at a glance

As of Sep 29, 2026
57.4%Verified-email coverage
25.5Average contacts per company
1-10Median size (employees)
5.4%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,146
11-50
575
51-200
153
201-500
29
501-1,000
13
1,001-5,000
10

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 1,929 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 pharma 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 the United States whose own description of what they do matches “pharma 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 pharma 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 pharma 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 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, 28,281 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 29, 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

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 pharma 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 pharma law firms are there based in the United States?

RevenueBase identified 1,929 pharma 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 pharma law firms?

New York leads with 105 headquartered companies, followed by Washington (80) and Houston (64).

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 28,281 verified decision-maker contacts tracked across these 1,929 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 29, 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.