Intellectual Property lawyers and advisers in California, US
Find proven, recommended Intellectual Property lawyers and advisers in California, US. An intellectual property lawyer protects and enforces trade marks, patents, copyright, designs and confidential information, and handles licensing and infringement disputes. Compare the profiles below and contact an adviser directly.
Experts
Danton K. Mak
Danton K. Mak is a Partner at Leech Tishman and a member of the Intellectual Property Practice Group, and co-leads the International Group. Danton is based in Leech Tishman’s Pasadena office and focuses his practice in all aspects of…
View profile →Douglas H. Morseburg
Douglas H. Morseburg is a partner at Leech Tishman and a member of the Intellectual Property Practice Group. Doug is based in Leech Tishman’s Pasadena office and specializes in litigation, counseling and licensing with respect to matters…
View profile →Dr David V Sanker, PhD
SankerIP is a boutique IP law firm based in Silicon Valley, distinguished for its exceptional technical depth and its tailored, client-focused service. Drawing on decades of experience in both Big Law and hands-on engineering, the firm…
View profile →Garrett Hall
Garrett Hall is a principal at Schwegman Lundberg & Woessner in Silicon Valley, whose firm won Patent Law Firm of the Year in California at the Corporate INTL Global Awards 2026.
View profile →Mavis Gallenson
As an enterprise grows, its need for intellectual property (IP) protection expands. Ladas & Parry represents owners of IP rights at every stage of development, both domestically and internationally. Our firm has been managing high-profile,…
View profile →Frequently asked questions
What does an intellectual property lawyer in California, US do?
An intellectual property lawyer protects and enforces trade marks, patents, copyright, designs and confidential information, and handles licensing and infringement disputes. You are likely to need one when you launch a brand or product, license technology, enter a new market or suspect someone is copying your work.
How do I find a good intellectual property lawyer in California, US?
Check that they are qualified or registered to practise in California, US, for example with the local bar association or professional body, and that they have handled matters like yours, including any cross-border element. Ask who will do the work, which languages they work in and how they charge before you instruct them. Each intellectual property lawyer listed on this page has a profile with their firm, practice areas and contact details, so you can compare them before getting in touch.
How much does an intellectual property lawyer in California, US cost?
Fees depend on the firm, the experience of the person advising you and how complex the matter is. Firms commonly charge by the hour, a fixed fee for a defined piece of work, or a combination of the two. Ask for a written estimate and the terms of engagement before any work starts.
Do I need a local intellectual property lawyer in California, US if I am based abroad?
Matters governed by the law of California, US, or that involve its courts, registries or authorities, usually need an adviser qualified there. If you already have an adviser at home, they can often work alongside a local intellectual property lawyer in California, US, which keeps the advice joined up on cross-border matters.
How do I contact an intellectual property lawyer in California, US through Corporate INTL?
Open any profile on this page to see the contact details the firm has provided, such as telephone, email and website. Every profile also has a "Contact via Corporate INTL" button if you would rather send your request through us.