Adibi IP Group
“I know this will be money well spent and would recommend to anyone trying to get a trademark for their brand.”
Best Patent & Trademark Attorneys in San Francisco, CA
13 firms listed · all 13 in San Francisco · 1 open 24/7 · 3 open weekends · 11 rated 4.5+
Data verified October 17, 2026
Infinity Law Group
“If you need an experienced and successful personal injury attorney, give Infinity Law group a call and ask for Ilya Filmus!”
Creative Industry Law
Bell IP Law - Patents & Trademarks
“They are great communicators, were patient answering all my questions and filed the application very expediently.”
Christopher Peil Law Office
“He helped us file internationally around the world and succeed in gaining utility patents in 10 countries in Europe and Asia and S.”
Software Patent Attorney
“His knowledge of the law, his thorough analysis, his transparency throughout the process, and his very collaborative and professional approach have been remarkable.”
The 13 firms listed for San Francisco, CA handle patent, trademark, copyright and trade secret work for clients. What each says about its technical fields and filing practice comes from its own website; ratings come from public reviews.
Area overview: San Francisco, CA
All 13 firms we list here are in San Francisco itself. We have 20 firms in San Francisco on file; this page shows the highest-rated 13. 11 of the firms on this page have a rating, from 4.6 to 5.0 across 129 reviews. When clients rate these firms on specific qualities, they most often praise professionalism (92%), quality (83%) and value (83%). 1 is open around the clock and 3 are open on weekends. 1 has a BBB rating of A or A+. 10 have ten or more years of experience, the longest 25 years. 1 offers urgent consultations and 3 offer a free initial consultation. We have a website on file for all 13 of the firms on this page; all 13 publish a contact page and 8 list a public email. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which patent firms listed for San Francisco list their technical fields online?
Websites are recorded for all 13 patent firms shown here. Such practices normally name the technologies they cover, from mechanical and software through to chemistry and life sciences. That match is the most useful filter available, because an attorney has to understand the invention before drafting a claim about it.
Telegraph Law Group
“They have provided us a wealth of knowledge and insight that have informed important business decisions, and always on a prompt timeline.”
Ipexcel
“I realized that we were running out of time to file our non-provisional patent application, but Jason was able to mobilize his team, work round the clock, keeping me posted every step of the way, and got it filed before the deadline.”
Durie Tangri
Crown
“Over the years, I've also had the opportunity to getting to know her partner Owen, and the two of them together are an IP-force: I'd strongly recommend Crown for any IP matter in the USA, as well as for setting forth an effective brand protection strategy on a global scale.”
Calyx Law
“However, working with Graham and his remarkable team at Calyx Law has completely transformed my perspective on the value and importance of intellectual property, and patents in particular.”
Vierra Magen Marcus
Marton Ribera Schumann & Chang
Why these companies made our list
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