Company lists · Data refreshed September 2026
Top 25 Trademark law firms based in San Diego, United States
RevenueBase identified 45 trademark law firms headquartered in San Diego, United States as of September 2026 and tracks 173 professional contacts across them, including 82 with verified work emails. New York is the largest hub.
This list covers trademark law firms headquartered in San Diego, 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 6, 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 trademark law firms based in San Diego, United States
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Partial evidence | 18 contacts → | |||
“MLO specializes in patent law and intellectual property services for a wide variety of industries including but not limited to medical devices, software, semiconductors, solar…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Partial evidence | 15 contacts → | |||
“IPLA, LLP is a law practice company based out of EASTGATE MALL SUITE 200, SAN DIEGO, California, United States.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Partial evidence | 12 contacts → | |||
“Torrey Pines Law Group is an intellectual property, technology transactions, and FDA regulatory law firm, known for its expertise in helping technology innovators secure, build…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Partial evidence | 8 contacts → | |||
“Charmasson, Buchaca & Leach is an intellectual property and civil litigation law firm in San Diego with over 30 years of experience successfully representing individuals, small…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Partial evidence | 7 contacts → | |||
“Trestle Law, APC is a premier, full-service law firm based in San Diego, California.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Partial evidence | 6 contacts → | |||
“A full-service law firm located in Little Italy, San Diego, that provides legal representation to small businesses from incorporation to sale, and everything in-between.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 6 contacts → | |||
“An intellectual property law firm based in California.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Strong evidence | 6 contacts → | |||
“Nydegger & Associates is an intellectual property law firm specializing in technology transfer, patents, trademarks, copyrights, trade secrets and unfair competition issues” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Partial evidence | 5 contacts → | |||
“Delmore Greene is a full-service business law firm in San Diego.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Partial evidence | 4 contacts → | |||
“Talbert Law is your favorite "go-to" legal resource for all things business, nonprofit, and intellectual property law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 3 contacts → | |||
“IPmetrics is a premier intellectual property consulting firm, offering analysis, valuation, and expert witness testimony.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 3 contacts → | |||
“We are the first step in your journey to protecting your ideas.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Partial evidence | 2 contacts → | |||
“Lynch LLP specializes in intellectual property, including trademarks, copyrights, patents, and trade secrets.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Partial evidence | 2 contacts → | |||
“Ludwig APC is a full-service law firm that specializes in helping clients resolve disputes involving intellectual property.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 2 contacts → | |||
“At Roeder & Broder LLP, we’ve been safeguarding innovation since our founding in when partners Steven Roeder and James Broder combined their expertise to launch a firm dedicated…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Partial evidence | 2 contacts → | |||
“Boutique business and litigation law firm specializing in intellectual property, real estate and business matters.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 2 contacts → | |||
“Our practice areas cover Intellectual Property, High Technology, Life Sciences, Software, and Government Contracts from a business perspective.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Partial evidence | 1 contacts → | |||
“LeJeune Law represents businesses and individuals in complex civil matters, including patent litigation, intellectual property litigation, business litigation, and trusts &…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Partial evidence | 1 contacts → | |||
“Our comprehensive legal services are extensive and include brand protection, intellectual property protections, business law, and California real estate law guidance.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Partial evidence | 1 contacts → | |||
“David Lizerbram & Associates is a law firm based in San Diego, California, focusing on providing comprehensive, cost-effective legal solutions for emerging businesses in San Diego…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 1 contacts → | |||
“Soden & Steinberger was founded by experienced attorneys with extensive backgrounds and a wide range of practice areas, including Corporate, Real Estate, Finance, Franchise and…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Partial evidence | 1 contacts → | |||
“As a Trademark, Copyright & Business attorney, I provide transactional & litigation services to individuals & businesses.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Indirect evidence | 1 contacts → | |||
Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Partial evidence | 1 contacts → | |||
“California and US law practice Focus: IP, Licensing, Transactions, Commercial Contracts, Entertainment” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Partial evidence | 1 contacts → | |||
“We have been serving the San Diego community with patent law services for over 30 years.” Source: company website · checked Sep 6, 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: trademark law 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 trademark law firms.
- Partial evidence
- Its own public description names part of trademark law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name trademark law 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 45 trademark law firms based in San Diego, United States
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Trademark law firms based in San Diego, United States at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 45 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 trademark 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 San Diego, United States whose own description of what they do matches “trademark 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 trademark 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 trademark law firms, and records with no verified work email. Companies headquartered outside San Diego 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, 82 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 6, 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.
Trademark law firms by metro in the United States
- Trademark law firms in New York189
- Trademark law firms in Chicago86
- Trademark law firms in Washington83
- Trademark law firms in Los Angeles80
- Trademark law firms in Atlanta53
- Trademark law firms in Houston52
- Trademark law firms in Dallas48
- Trademark law firms in San Diego45
- Trademark law firms in Austin43
- Trademark law firms in Miami41
- Trademark law firms in San Francisco36
- Trademark law firms in Irvine35
- Trademark law firms in Seattle33
- Trademark law firms in Minneapolis30
- Trademark law firms in Alexandria26
- Trademark law firms in Portland25
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 trademark 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 trademark law firms are there based in San Diego, United States?
RevenueBase identified 45 trademark law firms headquartered in San Diego, 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?
Mlo, A Professional Corporation, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most trademark law firms?
New York leads with 189 headquartered companies, followed by Chicago (86) and Washington (83).
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 82 verified decision-maker contacts tracked across these 45 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 6, 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.