Company lists · Data refreshed September 2026
Top 25 Software patent litigation firms based in San Francisco, United States
RevenueBase identified 52 software patent litigation firms headquartered in San Francisco, United States as of September 2026 and tracks 714 professional contacts across them, including 390 with verified work emails. Across the United States, New York is the largest hub for this category (155 companies); San Francisco has 52.
This list covers software patent litigation firms headquartered in San Francisco, 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.
The 25 largest software patent litigation firms based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 250 contacts → | ||||
Partial evidence “Keker, Van Nest & Peters is a trial-practice litigation firm located in San Francisco.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 43 contacts → | ||||
Partial evidence “Hassard Bonnington, founded over a century ago, is a highly regarded litigation firm known for consistently and successfully advocating for our clients in cutting edge complex…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 42 contacts → | ||||
Indirect evidence “Opening for business in May 2012, The Joseph Saveri Law Firm, LLP is composed of experienced and award-winning attorneys who have been busy fighting anticompetitive, unfair…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 contacts → | ||||
Indirect evidence “We are nationally recognized trial attorneys who are experts at our craft.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 25 contacts → | ||||
Partial evidence “We are a boutique law firm specializing in intellectual property, technology law and related litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Indirect evidence “The lawyers at HUGO PARKER have a winning record at trial, providing clients with sound strategic advice and skilled trial and appellate representation before state and federal…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 22 contacts → | ||||
Partial evidence “Gallo LLP focuses on complex civil litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 contacts → | ||||
Indirect evidence “We created Verso Law Group with a shared promise to tailor our firm’s focus to our clients’ objectives and expectations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Partial evidence “Schox Patent Group developed the patent strategy and wrote the patents for some of the most iconic startups in the last decade, including Coinbase, Cruise, Duo, Joby, and Twilio.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Partial evidence “Tyz Law Group PC is a boutique litigation and IP counseling firm comprised of former big law attorneys with highly specialized expertise in the technology sector.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “Cognition IP is a Y Combinator backed (YC W18) intellectual property law firm revolutionizing legal services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Partial evidence “Gordon-Creed Kelley Holl & Sugerman LLP has been representing companies and individuals in litigation and commercial transactions for over twenty-five years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “Our law firm's core mission is to serve our clients ethically, effectively, and efficiently.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Partial evidence “Alto Litigation, PC represents parties seeking strong advocates in difficult circumstances.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Indirect evidence “Hakimi Law is a unique Business and Intellectual Property Firm focused on serving the long-term interests of our clients by providing comprehensive and in-depth legal services…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “Regional software, technology & intellectual property law firm.(1) Software Audits & Piracy Defense - BSA & SIIA software compliance, Microsoft, Adobe, Ansys, Autodesk, Siemens…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Partial evidence “We are patent and trademark law experts with decades of experience driven by a desire to help businesses succeed.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Since 1933, Owen, Wickersham & Erickson, P.C.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Partial evidence “Complex litigation, significant wins and strategic advocacy are the hallmarks of Carlson, Calladine & Peterson LLP's practice.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “Established in 2008, with offices in San Francisco, San Diego and Shanghai, Pillar Legal helps technology leaders protect their companies so they can focus on innovation and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Partial evidence “Singer IP is a boutique law firm devoted to intellectual property litigation and other technology-centric business disputes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “Dunn & Panagotacos LLP is a full service law firm located in downtown San Francisco.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “We are high-tech, IP, and business litigators who trained at premier law firms and now practice in an entrepreneurial setting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Dedication.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: software patent litigation firms. 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 software patent litigation firms.
- Partial evidence
- Its own public description names part of software patent litigation firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name software patent litigation firms. 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 52 software patent litigation firms based in San Francisco, United States
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Software patent litigation firms based in San Francisco, United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 52 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 software patent litigation 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 San Francisco, United States whose own description of what they do matches “software patent litigation 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 software patent litigation 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 software patent litigation firms, and records with no verified work email. Companies headquartered outside San Francisco 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, 390 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.
Software patent litigation firms by metro in the United States
- Software patent litigation firms in New York155
- Software patent litigation firms in Chicago96
- Software patent litigation firms in Houston91
- Software patent litigation firms in Washington82
- Software patent litigation firms in Los Angeles76
- Software patent litigation firms in Dallas75
- Software patent litigation firms in Austin60
- Software patent litigation firms in Atlanta52
- Software patent litigation firms in San Diego49
- Software patent litigation firms in Irvine46
- Software patent litigation firms in Boston35
- Software patent litigation firms in Miami35
- Software patent litigation firms in Minneapolis33
- Software patent litigation firms in Seattle32
- Software patent litigation firms in Palo Alto28
- Software patent litigation firms in Alexandria25
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 software patent litigation 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 software patent litigation firms are there based in San Francisco, United States?
RevenueBase identified 52 software patent litigation firms headquartered in San Francisco, 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?
Keker, VAN Nest & Peters LLP, headquartered in San Francisco, tops this list with the largest team on record.
Which city in the United States has the most software patent litigation firms?
New York leads the United States with 155 headquartered companies, followed by Chicago (96) and Houston (91). San Francisco has 52.
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 390 verified decision-maker contacts tracked across these 52 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.
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