Company lists · Data refreshed September 2026

Top 25 Software patent law firms based in New York, United States

Name: Software patent law firms based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 357 companies tracked

RevenueBase identified 357 company matches for software patent law firms associated with New York, United States as of September 2026 and tracks 9,446 professional contacts across them, including 5,562 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for software patent law firms associated with New York, 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 14, 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 14, 2026 How this list was built

357Companies

9,446Contacts tracked

5,562Verified emails

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The 25 largest software patent law firms based in New York, United States

Ranked by team size

Top 25 of 357 company matches for software patent law firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Pillsbury Winthrop Shaw Pittman LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	1,001-5,000	1,949 contacts →
	Exact match “Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	Lowenstein Sandler LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	501-1,000	851 contacts →
	Exact match “Lowenstein Sandler LLP is a national law firm with over 400 lawyers based in New York, Palo Alto, Roseland, Salt Lake City, San Francisco, Washington, D.C, and Wilmington.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Kelley Drye & Warren LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	501-1,000	690 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	Pierson Ferdinand LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	201-500	279 contacts →
	Exact match “Pierson Ferdinand is a global law firm serving clients from over 25 markets.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Davis Gilbert LLP	Exact match	New York, United StatesHQ recorded Sep 14, 2026	201-500	247 contacts →
	Exact match “Davis+Gilbert helped guide the development of the marketing communications ecosystem over the past century.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	Effectual Services	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	201-500	242 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 14, 2026 · View company records in RevenueBase
7	Axinn, Veltrop & Harkrider LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	196 contacts →
	Exact match “A firm to turn to when all seems hopeless"-Chambers USA Axinn combines the skills, experience and dedication of the world's largest firms with the focus, responsiveness…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Frankfurt Kurnit Klein & Selz	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	186 contacts →
	Exact match “Founded over 40 years ago as a boutique law firm servicing the entertainment and arts communities in New York City, Frankfurt Kurnit has grown to become a full-service firm…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	Ellenoff Grossman & Schole LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	183 contacts →
	Exact match “Ellenoff Grossman & Schole LLP is a New York City-based law firm comprised of over 125 professionals, offering its clients legal services in a broad range of business related…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10	Fross Zelnick Lehrman & Zissu	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	182 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 14, 2026 · View company records in RevenueBase
11	Moses Singer	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	156 contacts →
	Exact match “Moses Singer provides legal services to companies, individuals and families in the New York City area.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12	Desmarais LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	140 contacts →
	Exact match “Desmarais LLP is a leading intellectual property litigation firm with offices in New York, San Francisco, and Washington, D.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13	Ladas & Parry LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	135 contacts →
	Exact match “As an enterprise grows, its need for intellectual property (IP) protection expands.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14	Olshan Frome Wolosky LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	132 contacts →
	Exact match “FIRM OVERVIEW: Olshan, a law firm based in New York, represents major businesses and entrepreneurs for their most significant transactions, problems and opportunities.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15	Kenyon & Kenyon LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	n/a	117 contacts →
	Exact match “Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16	HG LAW LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	100 contacts →
	Exact match “HG Law LLP (formerly Haley Guiliano LLP) is an international intellectual property law firm specializing in patent law from offices in London, New York and Silicon Valley.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17	Cowan, Liebowitz & Latman, P.C	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	94 contacts →
	Exact match “We are a boutique full-service firm recognized worldwide in the areas of intellectual property law and litigation.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18	Dorf Nelson & Zauderer LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	88 contacts →
	Exact match “Dorf Nelson & Zauderer LLP is a national law firm with offices in New York, California, and New Jersey, representing corporations, executives, boards, private equity-backed…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19	Amster Rothstein & Ebenstein LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	85 contacts →
	Exact match “Since 1953, Amster, Rothstein & Ebenstein LLP has focused exclusively on representing clients in all facets of intellectual property law both domestically and internationally.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20	Haug Partners LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	81 contacts →
	Exact match “For over 25 years, Haug Partners has provided synthesized multidisciplinary legal services for life science and technology businesses.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21	Abrams Garfinkel Margolis Bergson, LLP Agmb	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	78 contacts →
	Exact match “WHO WE ARE Abrams Garfinkel Margolis Bergson, LLP is a full-service law firm dedicated to smart, practical and cost-effective counsel.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22	Constantine Cannon LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	74 contacts →
	Exact match “No other.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23	Ballon Stoll P.C	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	11-50	70 contacts →
	Exact match “Grounded in History; Poised for the Future Founded in 1931 and built upon a tradition of excellence, Ballon Stoll P.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24	Wilk Auslander LLP	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	69 contacts →
	Exact match “Wilk Auslander is a full-service law firm delivering the expertise and resources of a large firm combined with the attention and access of a boutique firm.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25	Bochner Pllc	Exact match	New York, NY, United StatesHQ recorded Sep 14, 2026	51-200	61 contacts →
	Exact match “At Bochner, we help our clients across the globe navigate their legal, business, and regulatory challenges – from startup to exit.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “software patent law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 357 software patent law firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 5,562 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software patent law firms based in New York, United States at a glance

As of Sep 14, 2026

58.9%Verified-email coverage

26.5Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

243

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 357 companies.

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 New York, United States whose business descriptions match “software patent 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 5,562 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 14, 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.

Software patent law firms by metro in the United States

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

How many software patent law firms are there based in New York, United States?

RevenueBase identified 357 company matches for software patent law firms associated with New York, 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?

Pillsbury Winthrop Shaw Pittman LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most software patent law firms?

New York leads the United States with 357 company records, followed by Chicago (187) and Los Angeles (176).

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 5,562 professional contacts with verified work emails tracked across these 357 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 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 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.