Company lists · Data refreshed September 2026

Top 25 Ip compliance staffing companies based in the United States

Name: Ip compliance staffing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 672 companies tracked

RevenueBase identified 672 ip compliance staffing companies headquartered in the United States as of September 2026 and tracks 12,164 professional contacts across them, including 6,157 with verified work emails. New York is the largest hub.

This list covers ip compliance staffing companies 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 28, 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 28, 2026 86% judged on-target in blind review

672Companies

12,164Contacts tracked

6,157Verified emails

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The 25 largest ip compliance staffing companies based in the United States

Ranked by team size

Top 25 of 672 ip compliance staffing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to ip compliance staffing companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Finnegan, Henderson, Farabow, Garrett & Dunner, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	501-1,000	936 contacts →
	Indirect evidence “When your most valuable assets are ideas, innovation, and brand-you need the best.” Source: RevenueBase Database · checked Sep 28, 2026
2	Maxval Group, INC	Partial evidence	Los Altos, CA, United StatesHQ checked Sep 28, 2026	501-1,000	754 contacts →
	Partial evidence “Since 2004, MaxVal has helped the world's most innovative organizations capitalize on their intellectual property by being different from the legacy IP solution providers.” Source: RevenueBase Database · checked Sep 28, 2026
3	Sagaciouselevate	Partial evidence	Seattle, WA, United StatesHQ checked Sep 28, 2026	501-1,000	488 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
4	Sterne, Kessler, Goldstein & FOX	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	201-500	468 contacts →
	Indirect 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 28, 2026
5	Wolf Greenfield	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	201-500	428 contacts →
	Indirect evidence “Wolf, Greenfield & Sacks, P.C.” Source: RevenueBase Database · checked Sep 28, 2026
6	Schwegman Lundberg & Woessner, P.A	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 28, 2026	201-500	275 contacts →
	Indirect evidence “SLW is a boutique law firm dedicated to protecting intellectual property.” Source: RevenueBase Database · checked Sep 28, 2026
7	Harness IP	Partial evidence	Bloomfield Hills, MI, United StatesHQ checked Sep 28, 2026	201-500	266 contacts →
	Partial evidence “Harness IP’s team of patent and trademark attorneys serve clients in all areas of intellectual property law.” Source: RevenueBase Database · checked Sep 28, 2026
8	Effectual Services	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	242 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
9	Cantor Colburn LLP	Partial evidence	Hartford, CT, United StatesHQ checked Sep 28, 2026	201-500	222 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
10	Sughrue Mion Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	201-500	211 contacts →
	Indirect evidence “From Sughrue’s inception in 1957 to the present, we have focused solely on intellectual property law.” Source: RevenueBase Database · checked Sep 28, 2026
11	Fross Zelnick Lehrman & Zissu	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	182 contacts →
	Partial evidence “Fross Zelnick is consistently recognized by clients and peers as one of the top IP law firms in the world.” Source: RevenueBase Database · checked Sep 28, 2026
12	Dority & Manning, P.A	Indirect evidence	Greenville, SC, United StatesHQ checked Sep 28, 2026	51-200	181 contacts →
	Indirect evidence “Formed in 1984, Dority & Manning is a full-service intellectual property law firm.” Source: RevenueBase Database · checked Sep 28, 2026
13	Leydig, Voit & Mayer, LTD	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	157 contacts →
	Indirect evidence “Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Source: RevenueBase Database · checked Sep 28, 2026
14	OBLON	Indirect evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	201-500	156 contacts →
	Indirect evidence “Companies across the world depend on Oblon to help them establish, leverage and protect their intellectual property assets in the United States and abroad.” Source: RevenueBase Database · checked Sep 28, 2026
15	Lerner David	Partial evidence	Cranford Township, NJ, United StatesHQ checked Sep 28, 2026	51-200	151 contacts →
	Partial evidence “Lerner David works with clients to build and protect their Intellectual Property (IP) assets, as well as minimize risk from competitors.” Source: RevenueBase Database · checked Sep 28, 2026
16	Klarquist Sparkman, LLP	Indirect evidence	Portland, OR, United StatesHQ checked Sep 28, 2026	51-200	146 contacts →
	Indirect evidence “Klarquist is one of the oldest and largest full-service intellectual property firms in the Pacific Northwest.” Source: RevenueBase Database · checked Sep 28, 2026
17	Mbhb Mcdonnell Boehnen Hulbert & Berghoff LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	143 contacts →
	Indirect evidence “At MBHB, the legal and scientific credentials of our professionals are first rate.” Source: RevenueBase Database · checked Sep 28, 2026
18	Cardinal Intellectual Property	Partial evidence	Evanston, IL, United StatesHQ checked Sep 28, 2026	201-500	142 contacts →
	Partial evidence “Cardinal IP is a global leader in patent and trademark research, and a provider of software services for intellectual property management.” Source: RevenueBase Database · checked Sep 28, 2026
19	Seed IP LAW Group	Partial evidence	Seattle, WA, United StatesHQ checked Sep 28, 2026	51-200	140 contacts →
	Partial evidence “Seed IP provides comprehensive legal assistance in all areas of intellectual property, including patents, trademarks, copyrights, trade secrets and unfair competition…” Source: RevenueBase Database · checked Sep 28, 2026
20	The Webb LAW Firm	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 28, 2026	51-200	133 contacts →
	Indirect evidence “The most innovative corporations in the world entrust The Webb Law Firm to safeguard their Intellectual Property.” Source: RevenueBase Database · checked Sep 28, 2026
21	Birch, Stewart, Kolasch & Birch, LLP Bskb	Indirect evidence	Vienna, VA, United StatesHQ checked Sep 28, 2026	51-200	127 contacts →
	Indirect evidence “Since 1976, BSKB has been providing a full range of intellectual property law services to clients in the areas of patent prosecution, post-grant review, litigation, ITC…” Source: RevenueBase Database · checked Sep 28, 2026
22	Kenyon & Kenyon LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	n/a	117 contacts →
	Indirect evidence “Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Source: RevenueBase Database · checked Sep 28, 2026
23	Fitch, Even, Tabin & Flannery LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	109 contacts →
	Indirect evidence “With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…” Source: RevenueBase Database · checked Sep 28, 2026
24	Volpe Koenig	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	51-200	103 contacts →
	Indirect evidence “Volpe Koenig is a full-service intellectual property law firm providing worldwide client counseling on patents, trademarks, copyrights, trade secrets, technology transfers, due…” Source: RevenueBase Database · checked Sep 28, 2026
25	Hamilton, Brook, Smith & Reynolds, P.C	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	100 contacts →
	Indirect evidence “Hamilton Brook Smith Reynolds is a leading law firm specializing in intellectual property law.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: ip compliance staffing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names ip compliance staffing companies.
Partial evidence: Its own public description names part of ip compliance staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name ip compliance staffing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 672 ip compliance staffing companies based in the United States

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Ip compliance staffing companies based in the United States at a glance

As of Sep 28, 2026

50.6%Verified-email coverage

18.1Average contacts per company

1-10Median size (employees)

5.1%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

403

11-50

191

51-200

201-500

501-1,000

1,001-5,000

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 672 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 ip compliance staffing companies, 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 “ip compliance staffing companies”. 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 ip compliance staffing companies), 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 ip compliance staffing companies, 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, 6,157 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 28, 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.

Ip compliance staffing companies by metro

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 ip compliance staffing companies, 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 ip compliance staffing companies are there based in the United States?

RevenueBase identified 672 ip compliance staffing companies 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?

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, headquartered in Washington, tops this list with the largest team on record.

Which city has the most ip compliance staffing companies?

New York leads with 34 headquartered companies, followed by Washington (31) and Chicago (25).

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 6,157 verified decision-maker contacts tracked across these 672 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 28, 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.