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Intellectual Property Attorneys in California

Patents, trademarks, copyright, trade secrets 13,890 pre-screened attorneys across 40 counties.

What Is Intellectual Property in California?

IP attorneys handle patents, trademarks, copyrights, and trade secrets — central to California's technology and entertainment economies.

When Do You Need a Intellectual Property Attorney in California?

You may need a intellectual property attorney in California when your situation involves patents, trademarks, copyright.

California Intellectual Property Sub-Specialties

Intellectual Property covers several distinct case types in California, each with its own legal framework. Below are the most common sub-specialties.

Patents

Patents matters in California fall within the broader Intellectual Property practice area. California-licensed attorneys experienced in patents cases handle the related procedural, substantive, and evidentiary questions specific to this subspecialty.

Trademarks

Trademarks matters in California fall within the broader Intellectual Property practice area. California-licensed attorneys experienced in trademarks cases handle the related procedural, substantive, and evidentiary questions specific to this subspecialty.

Copyright

Copyright matters in California fall within the broader Intellectual Property practice area. California-licensed attorneys experienced in copyright cases handle the related procedural, substantive, and evidentiary questions specific to this subspecialty.

Trade Secrets

Trade Secrets matters in California fall within the broader Intellectual Property practice area. California-licensed attorneys experienced in trade secrets cases handle the related procedural, substantive, and evidentiary questions specific to this subspecialty.

Costs and Timeline

California intellectual property attorneys typically charge hourly ($200-$400) or flat fees depending on case type. Many offer free initial consultations. All fee structures must be communicated to the client in writing per Rule 1.5 of the California Rules of Professional Conduct.

California Laws and Statutes

California intellectual property is governed by various provisions of the California Codes. Consult a California-licensed attorney for the specific statute citations applicable to your matter.

Intellectual Property Attorneys by County

Pre-screened intellectual property attorneys serving each California county. Counts reflect active State Bar of California members with offices in-county. Each county links to a full directory page for the matching practice area.

📍 Los Angeles County 2,895 attorneys
J A Shafran — Fragner Seifert Pace & Mintz, LLP, Los AngelesMichael Jay Perlstein — Reed Smith LLP, Los AngelesNorman Stanley Oberstein — Gipson Hoffman & Pancione, Los Angeles
View all 2,895 Los Angeles intellectual property attorneys →
📍 San Francisco County 1,588 attorneys
James J Brosnahan Jr — Morrison & Foerster LLP, San FranciscoRichard Esty Peterson — San FranciscoAlexander Lamb Brainerd — San Francisco
View all 1,588 San Francisco intellectual property attorneys →
📍 Santa Clara County 1,567 attorneys
James Paul Kleinberg — San JoseBrian Connor Walsh — JAMS Silicon Valley, San JoseEdward John Radlo — Radlo & Su, Los Altos Hills
View all 1,567 Santa Clara intellectual property attorneys →
📍 San Diego County 1,101 attorneys
David Joseph Noonan — Noonan Lance & Boyer, LLP, San DiegoJerry Richard Potts — Law Office of Jerry R Potts, EscondidoPatrick Earl Catalano — Catalano & Catalano, Chula Vista
View all 1,101 San Diego intellectual property attorneys →
📍 Orange County 1,002 attorneys
Jonathan Lorman — Newport BeachSealy M. Yates — Yates & Yates, LLP, Santa AnaGregory Lee Roth — Law Offices of Gregory L Roth, La Palma
View all 1,002 Orange intellectual property attorneys →
📍 San Mateo County 660 attorneys
Donald Norman MacIntosh — Law Ofc Donald MacIntosh, Menlo ParkHerschel R Cobb — Menlo ParkNorman Eric Jorgensen — Law Office of N Eric Jorgensen, Menlo Park
View all 660 San Mateo intellectual property attorneys →
📍 Alameda County 381 attorneys
Michael Dale Nelson — PleasantonPeter Mitchell Stanwyck — Law Offices of Peter M. Stanwyck, OaklandDonald Lee Beeson — Beeson Skinner Beverly LLP, Oakland
View all 381 Alameda intellectual property attorneys →
📍 Contra Costa County 174 attorneys
Martin R Glick — OrindaTheodore Joseph Bielen Jr — Bielen & Lampe, ConcordDonald Joseph Bouey — Bouey & Black LLP, Walnut Creek
View all 174 Contra Costa intellectual property attorneys →
📍 Sacramento County 144 attorneys
Mark C Jacobs — Innovation House, SacramentoCarl Gale Borden — CA Farm Bureau Federation, SacramentoGordon Isamu Endow — Fresh Clinics Management LLC, Sacramento
View all 144 Sacramento intellectual property attorneys →
📍 Marin County 94 attorneys
Stafford Warwick Keegin — Keegin Harrison LLP, San RafaelRichard Allan Horning — Global Technology Law, PC, SausalitoThomas M. Freiburger — Tiburon
View all 94 Marin intellectual property attorneys →
📍 Riverside County 60 attorneys
Michael M Plotkin — Rancho MirageLawrence Paul Mortorff — Lawrence Mortorff Law, Rancho MirageConstance Benjamin Minnett — Temecula
View all 60 Riverside intellectual property attorneys →
📍 Sonoma County 48 attorneys
Raymond Nicholas S Erlach — Law Offices Raymond N Stella Erlach, SonomaRoger L. Cook — Roger Cook Law, SonomaChristopher Ralph Miller — Santa Rosa
View all 48 Sonoma intellectual property attorneys →

Common Questions About California Intellectual Property

Browse the 13,890 California intellectual property attorneys above by county or use the practice-area cards. Each attorney is verified against the State Bar of California records.
California intellectual property attorneys typically charge hourly ($200-$400) or flat fees depending on case type. Many offer free initial consultations. All fee structures must be communicated to the client in writing per Rule 1.5 of the California Rules of Professional Conduct.
Case duration depends on case type, court calendar, and complexity. Uncontested matters typically resolve in 3-6 months; contested matters with disputes can take 12-24+ months. Your attorney can give you a more specific estimate based on your facts.
Yes. Every California attorney must be licensed by the State Bar of California. We verify bar status on every attorney listing. Disciplinary actions are public record; we display them transparently on each profile.
Several California organizations provide free or low-cost legal aid, including LawHelpCA.org, Bay Area Legal Aid, and the Legal Aid Foundation of Los Angeles. For criminal cases, indigent defendants are entitled to a Public Defender at no cost.

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