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Patent Attorneys in California

376 patent professionals in 101 cities

Updated March 2026

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All Professionals in California

Y

Yang Law Offices

Law Firm
Los Angeles, CA
O

Omni Legal Group

Law Firm
Los Angeles, CA
R

Rabbit Product Design

Patent Attorney
Palo Alto, CA
ElectricalMechanical
O

OC Patent Lawyer

Law Firm
Irvine, CA
T

Trademarkia

Patent Attorney
Mountain View, CA
C

Cohen IP Law Group, P.C.

Law Firm
Beverly Hills, CA
A

Amir V. Adibi: Bay Area Patent Attorney, Trademark Law, & Patent Infringement Litigation

Law Firm
Pleasanton, CA
AI and SoftwareElectricalMechanical
Dana Legal Services

Dana Legal Services

Patent Attorney
Menlo Park, CA
AI and SoftwareMechanicalBiotechnology
T

Trojan Law Offices

Law Firm
Beverly Hills, CA
ElectricalBiotechnologyChemical
I

Innovent Law

Patent Attorney
Aliso Viejo, CA
Stephen C. Beuerle

Stephen C. Beuerle

Patent Attorney
San Diego, CA
AI and SoftwareElectricalMechanical
Innovation Capital Law Group

Innovation Capital Law Group

Law Firm
Irvine, CA
AI and Software
The Rapacke Law Group, P.A.

The Rapacke Law Group, P.A.

Law Firm
Mountain View, CA
AI and SoftwareElectricalMechanical
Jafari Law Group

Jafari Law Group

Law Firm
Irvine, CA
MechanicalClean Energy
Adibi IP Group

Adibi IP Group

Law Firm
San Francisco, CA
ElectricalMechanicalMedical Devices
S

Shimokaji IP

Patent Attorney
Irvine, CA
CIONCA IP

CIONCA IP

Patent Attorney
Irvine, CA
Biotechnology
Trestle Law, APC

Trestle Law, APC

Law Firm
San Diego, CA
AI and Software
Bell IP Law

Bell IP Law

Patent Attorney
San Francisco, CA
G

Garvey Adam LLP

Law Firm
Irvine, CA
AI and SoftwareMechanicalMedical Devices
R

Rhema Law Group®

Law Firm
Irvine, CA
ElectricalMechanicalBiotechnology
K

Karich & Associates, Patent Law

Law Firm
Huntington Beach, CA
Partners Law Inc.

Partners Law Inc.

Law Firm
Santa Monica, CA
L

Lum Law Group

Law Firm
Pasadena, CA
F

Fargo Patent & Business Law

Law Firm
Murrieta, CA
MechanicalChemicalMedical Devices
The Kinder Law Group, APC

The Kinder Law Group, APC

Law Firm
Irvine, CA
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
San Francisco, CA
AI and SoftwareElectricalMechanical
Diament Patent Law

Diament Patent Law

Law Firm
Encino, CA
ElectricalBiotechnologyConsumer Products
K

Knobbe Martens

Patent Attorney
Irvine, CA
AI and SoftwareElectricalMechanical
Risso I.P.

Risso I.P.

Patent Attorney
El Segundo, CA
Biotechnology
mjIP An Intellectual Property Firm

mjIP An Intellectual Property Firm

Law Firm
Irvine, CA
MechanicalBiotechnology
The Myers Law Group

The Myers Law Group

Law Firm
Newport Beach, CA
Chhabra Law Firm

Chhabra Law Firm

Law Firm
San Francisco, CA
AI and Software
Coastal Patent

Coastal Patent

Law Firm
Carlsbad, CA
Electrical
Phil IP Law Inc.

Phil IP Law Inc.

Law Firm
Glendale, CA
AI and Software
S

Sierra IP Law, PC

Law Firm
Fresno, CA
AI and SoftwareElectricalMechanical
C

Camuti Law Group APC

Law Firm
Irvine, CA
Michael Ahmadshahi, PhD, Law Offices

Michael Ahmadshahi, PhD, Law Offices

Law Firm
Newport Beach, CA
AI and SoftwareElectricalMechanical
SHERMAN IP LLP

SHERMAN IP LLP

Law Firm
Encino, CA
AI and SoftwareElectricalMechanical
Patent PC

Patent PC

Law Firm
Santa Clara, CA
AI and SoftwareElectricalMechanical
Foundation Patents, LLP

Foundation Patents, LLP

Law Firm
Walnut Creek, CA
C

Crockett & Crockett

Law Firm
Aliso Viejo, CA
Michael Ahmadshahi, PhD, Law Offices

Michael Ahmadshahi, PhD, Law Offices

Law Firm
Century City, CA
AI and SoftwareElectricalMechanical
M

Milord Law Group, PC

Law Firm
Los Angeles, CA
ElectricalBiotechnology
Platinum Intellectual Property PC

Platinum Intellectual Property PC

Law Firm
San Jose, CA
ElectricalBiotechnologyMedical Devices
K

Krogh & Decker, LLP

Law Firm
Sacramento, CA
L

Law Office of Craig Ching, PC

Law Firm
Redwood City, CA
P

Philip H Dyson Law Offices

Law Firm
La Mesa, CA
G

Gerald R. Prettyman, Patent Attorney, USPTO registered over 20 years

Law Firm
Pleasanton, CA
C

Carr & Ferrell LLP

Law Firm
San Mateo, CA
AI and SoftwareBiotechnology
Adibi IP Group

Adibi IP Group

Law Firm
Palo Alto, CA
AI and SoftwareElectricalMechanical
T

TMB Law

Patent Attorney
San Luis Obispo, CA
IPExcel

IPExcel

Patent Attorney
San Francisco, CA
AI and Software
C

Cannabis Law Group

Law Firm
Newport Beach, CA
Mechanical
S

Sierra IP Law, PC

Law Firm
Sacramento, CA
AI and SoftwareElectricalMechanical
Outlier Patent Attorneys, PLLC

Outlier Patent Attorneys, PLLC

Law Firm
San Francisco, CA
AI and SoftwareMechanical
L

Law Offices of Linda S. McAleer, Esq.

Law Firm
San Diego, CA
I

Intellectual Property Attorney San Jose

Patent Attorney
San Jose, CA
O

Omni Law Intellectual Property Attorney

Patent Attorney
Los Angeles, CA
B

Berliner Cohen, LLP

Law Firm
San Jose, CA
N

Nixon Peabody LLP - San Francisco Office

Law Firm
San Francisco, CA
AI and SoftwareMechanicalAerospace
West & Associates, A PC

West & Associates, A PC

Law Firm
Walnut Creek, CA
Plager Schack LLP

Plager Schack LLP

Law Firm
Huntington Beach, CA
Onu Law Firm

Onu Law Firm

Law Firm
San Francisco, CA
C

Cislo & Thomas LLP

Law Firm
Los Angeles, CA
AI and SoftwareMechanicalChemical
H

HPL Intellectual Property Law

Patent Attorney
Los Angeles, CA
MechanicalMedical Devices
F

Fauver, Large, Archbald & Spray, LLP

Law Firm
Santa Barbara, CA
C

Christopher Peil Law Office

Patent Attorney
San Francisco, CA
Richard A. Ryan, Attorney at Law

Richard A. Ryan, Attorney at Law

Patent Attorney
Fresno, CA
P

Procopio, Cory, Hargreaves & Savitch LLP

Law Firm
Palo Alto, CA
AI and SoftwareConsumer ProductsAerospace
S

Simmermon Law

Patent Attorney
Roseville, CA
Sanford Astor

Sanford Astor

Patent Attorney
Los Angeles, CA
F

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Law Firm
Palo Alto, CA
T

The Hollywood Lawyer

Patent Attorney
Los Angeles, CA
Knobbe Martens

Knobbe Martens

Patent Attorney
Los Angeles, CA
AI and SoftwareElectricalMechanical
J

John Rizvi, P.A. - The Idea Attorneys

Law Firm
San Jose, CA
MechanicalBiotechnology
L

Law Office of Dorian Cartwright

Patent Attorney
San Jose, CA
F

Fish & Richardson P.C.

Law Firm
Redwood City, CA
AI and SoftwareElectricalBiotechnology
M

MLO Intellectual Property Law Firm

Law Firm
San Diego, CA
J

JGPC Business Law

Law Firm
Pleasanton, CA
Mechanical
B

BHW IP Law, Barcelo, Harrison & Walker, LLP

Law Firm
Newport Beach, CA
AI and SoftwareMechanicalElectrical
I

Intellectual Property Law Group, LLP

Law Firm
San Jose, CA
One LLP

One LLP

Law Firm
Newport Beach, CA
Mechanical
G

Garcia & Gurney, A Law Corporation

Law Firm
Pleasanton, CA
AI and Software
IDP Patent Services

IDP Patent Services

Law Firm
Irvine, CA
Jason Baker of Keegan Baker, LLP

Jason Baker of Keegan Baker, LLP

Law Firm
San Diego, CA
M

Mandour & Associates, APC

Law Firm
San Diego, CA
ElectricalMechanicalBiotechnology
Law Offices of Judd M. Patton

Law Offices of Judd M. Patton

Law Firm
Torrance, CA
C

Cotman IP Law Group

Law Firm
Pasadena, CA
AI and Software
Cohen IP Law Group, P.C.

Cohen IP Law Group, P.C.

Law Firm
Los Angeles, CA
Karish & Bjorgum, PC

Karish & Bjorgum, PC

Law Firm
Pasadena, CA
Omni Legal Group - Beverly Hills Location

Omni Legal Group - Beverly Hills Location

Law Firm
Beverly Hills, CA
Makoui Law

Makoui Law

Patent Attorney
Encino, CA
AI and SoftwareElectricalMechanical
S

Sierra IP Law, PC

Law Firm
Bakersfield, CA
AI and SoftwareElectricalMechanical
Law Offices of Vera Chernobylsky

Law Offices of Vera Chernobylsky

Law Firm
Woodland Hills, CA
AI and SoftwareElectricalMechanical
Grant's Law Firm

Grant's Law Firm

Law Firm
Riverside, CA
E

Eastman IP

Patent Attorney
San Diego, CA
Medical Devices
S

Sierra IP Law, PC

Law Firm
Modesto, CA
AI and SoftwareElectricalMechanical
O

Offit Kurman

Patent Attorney
Los Angeles, CA
AI and SoftwareClean Energy
Law Offices Of Park And Zheng

Law Offices Of Park And Zheng

Law Firm
Irvine, CA
S

Sierra IP Law, PC

Law Firm
San Luis Obispo, CA
AI and SoftwareElectricalMechanical
Cobalt LLP

Cobalt LLP

Law Firm
Berkeley, CA
M

Mandour & Associates APC

Law Firm
Irvine, CA
ElectricalMechanicalBiotechnology
Burns Patent Law

Burns Patent Law

Law Firm
Aliso Viejo, CA
ElectricalMechanicalBiotechnology
P

Peer & Hart, PC

Law Firm
Carlsbad, CA
Mechanical
S

Sierra IP Law, PC

Law Firm
Santa Barbara, CA
AI and SoftwareElectricalMechanical
B

Berliner Cohen LLP

Law Firm
Modesto, CA
Patent Jack

Patent Jack

Law Firm
Pasadena, CA
H

Hueston Hennigan LLP

Law Firm
Los Angeles, CA
S

SoCal IP Law Group LLP

Law Firm
Westlake Village, CA
R Michael West

R Michael West

Patent Attorney
Sacramento, CA
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
Oakland, CA
AI and SoftwareElectricalMechanical
S

Sierra IP Law, PC

Law Firm
San Mateo, CA
AI and SoftwareElectricalMechanical
iPNOTE

iPNOTE

Patent Attorney
Palo Alto, CA
AI and Software
Weston Law Group

Weston Law Group

Law Firm
Walnut Creek, CA
Charles W Wagner

Charles W Wagner

Patent Attorney
San Jose, CA
IP Procure Patent and Trademark Law Firm

IP Procure Patent and Trademark Law Firm

Law Firm
San Jose, CA
P

Procopio, Cory, Hargreaves & Savitch LLP

Law Firm
San Diego, CA
AI and SoftwareConsumer ProductsAerospace
D

Durie Tangri LLP

Law Firm
San Francisco, CA
Pierce & Kwok LLP

Pierce & Kwok LLP

Law Firm
Beverly Hills, CA
Clean Energy
Mahesh Law Group

Mahesh Law Group

Law Firm
Irvine, CA
G

Gafni & Levin LLP

Law Firm
Los Angeles, CA
Mechanical
Enterprise Counsel Group

Enterprise Counsel Group

Law Firm
Irvine, CA
Dahyee Law Group

Dahyee Law Group

Law Firm
Pleasanton, CA
M

Mandour & Associates, APC

Law Firm
Los Angeles, CA
ElectricalMechanicalBiotechnology
Alston & Bird

Alston & Bird

Law Firm
Los Angeles, CA
AI and SoftwareElectricalMechanical
R

Roland Tong, Attorney

Patent Attorney
Sherman Oaks, CA
AI and SoftwareElectricalMechanical
Goodwin Procter Silicon Valley

Goodwin Procter Silicon Valley

Patent Attorney
Redwood City, CA
MechanicalBiotechnology
Goodwin Procter Los Angeles

Goodwin Procter Los Angeles

Patent Attorney
Los Angeles, CA
MechanicalBiotechnology
S

Stevens Law Group

Law Firm
San Jose, CA
ElectricalBiotechnology
H

Hoge Fenton

Patent Attorney
San Jose, CA
Consumer Products
Intellectual Property Law Group LLP

Intellectual Property Law Group LLP

Law Firm
Fresno, CA
S

Simmermon Law - High Quality Patents

Law Firm
Sacramento, CA
MechanicalChemical
Pharar Patents & Intellectual Property

Pharar Patents & Intellectual Property

Law Firm
Irvine, CA
ElectricalBiotechnology
D

Dorsey & Whitney LLP

Law Firm
Palo Alto, CA
AI and SoftwareElectricalMedical Devices
S

Simmermon Law

Patent Attorney
Sacramento, CA
MechanicalChemical
PowerPatent

PowerPatent

Law Firm
Santa Clara, CA
AI and SoftwareElectricalMechanical
Duane Morris LLP

Duane Morris LLP

Law Firm
San Francisco, CA
AI and SoftwareElectricalMechanical
DNL Zito

DNL Zito

Patent Attorney
Los Angeles, CA
H

Husband Law: B. Paul Husband

Law Firm
Burbank, CA
S

Schwegman Lundberg and Woessner P.A.

Law Firm
San Jose, CA
AI and Software
C

Cislo & Thomas LLP - Patent Law Lawyers/Attorneys

Law Firm
Westlake Village, CA
AI and SoftwareMechanicalChemical
JCIP

JCIP

Patent Attorney
Los Angeles, CA
AI and SoftwareElectricalMechanical
Mulcahy Carrillo LLP

Mulcahy Carrillo LLP

Law Firm
Irvine, CA
Call & Jensen

Call & Jensen

Law Firm
Newport Beach, CA
ElectricalConsumer Products
O

Oakland Patent/Trademark Attorney / Nwamu, PC

Law Firm
Oakland, CA
Z

Zuber Lawler LLP

Law Firm
Los Angeles, CA
B

Bergeson, LLP

Law Firm
San Jose, CA
AI and SoftwareElectricalMechanical
S

Simmermon Law

Patent Attorney
Folsom, CA
MechanicalChemical
Baldwin Legal Group APC

Baldwin Legal Group APC

Law Firm
San Diego, CA
Connors & Associates

Connors & Associates

Law Firm
Seal Beach, CA
Kafantaris Law Offices

Kafantaris Law Offices

Law Firm
Irvine, CA
Genius Patent APC

Genius Patent APC

Law Firm
San Diego, CA
ElectricalMechanicalMedical Devices
I

ICIP: InterContinental IP Law Firm

Law Firm
Carlsbad, CA
MechanicalAerospace
C

Command IP LLP

Law Firm
Los Angeles, CA
AI and SoftwareElectricalMechanical
C

Creative Industry Law

Patent Attorney
San Francisco, CA
Telegraph Law Group

Telegraph Law Group

Law Firm
San Francisco, CA
T

Trojan Law Offices

Law Firm
Los Angeles, CA
ElectricalBiotechnologyChemical
S

Steins & Associates PC

Law Firm
San Diego, CA
N

Noli IP Solutions, PC

Law Firm
Carlsbad, CA
Ritt, Tai, Thvedt, & Hodges

Ritt, Tai, Thvedt, & Hodges

Law Firm
Pasadena, CA
Kelly & Kelley LLP

Kelly & Kelley LLP

Law Firm
Woodland Hills, CA
MechanicalBiotechnologyConsumer Products
V

Vista IP Law Group, LLP

Law Firm
San Jose, CA
Patent Law & Venture Group

Patent Law & Venture Group

Law Firm
Irvine, CA
L

Lewis Roca Rothgerber Christie

Patent Attorney
Redwood City, CA
Heisler & Associates

Heisler & Associates

Law Firm
Roseville, CA
Landmark Intellectual Property Law, PC

Landmark Intellectual Property Law, PC

Law Firm
Cupertino, CA
InHouse Co. Law Firm

InHouse Co. Law Firm

Law Firm
San Jose, CA
Biotechnology
E

Eric B. Alspaugh, APC / Law Office

Law Firm
Irvine, CA
Polsinelli

Polsinelli

Patent Attorney
Palo Alto, CA
AI and SoftwareElectricalMechanical
Hoge Fenton

Hoge Fenton

Patent Attorney
San Mateo, CA
Consumer Products
C

Camuti Law Group APC

Law Firm
Aliso Viejo, CA
Tran & Associates

Tran & Associates

Law Firm
San Jose, CA
AI and SoftwareElectricalMechanical
Hoge Fenton

Hoge Fenton

Patent Attorney
Pleasanton, CA
Consumer Products
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
El Segundo, CA
AI and SoftwareElectricalMechanical
Hueston Hennigan LLP

Hueston Hennigan LLP

Law Firm
Newport Beach, CA
C

Cohen IP Trademark Law Group, P.C.

Law Firm
Irvine, CA
BTJ Patent Attorneys

BTJ Patent Attorneys

Law Firm
Los Angeles, CA
TWM Legal Attorney Services

TWM Legal Attorney Services

Patent Attorney
Folsom, CA
J

John Rizvi P.A. - The Idea Attorneys

Law Firm
Sacramento, CA
MechanicalBiotechnology
Dennis A. DeBoo & Co.

Dennis A. DeBoo & Co.

Law Firm
Sacramento, CA
ElectricalMechanical
Law Office of Donald J. Pagel

Law Office of Donald J. Pagel

Law Firm
San Jose, CA
AXP Patent

AXP Patent

Law Firm
Century City, CA
Franklin Darren

Franklin Darren

Patent Attorney
Los Angeles, CA
Michael A. DiNardo - YK Law LLP

Michael A. DiNardo - YK Law LLP

Law Firm
Woodland Hills, CA
MechanicalBiotechnologyConsumer Products
Daniel Petrocelli

Daniel Petrocelli

Patent Attorney
Los Angeles, CA
F

Fitch Even Tabin & Flannery LLP

Law Firm
Woodland Hills, CA
AI and SoftwareElectricalMechanical
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
Woodland Hills, CA
AI and SoftwareElectricalMechanical
Irving Keschner Attorney at Law

Irving Keschner Attorney at Law

Patent Attorney
Torrance, CA
Boyer & Assoc, Syndicated Law PC

Boyer & Assoc, Syndicated Law PC

Law Firm
Redwood City, CA
The Fraser Firm, P.C.

The Fraser Firm, P.C.

Law Firm
Beverly Hills, CA
A

A. F. DAVIS LAW

Patent Attorney
Beverly Hills, CA
Consumer Products
Howard & Howard Attorneys PLLC - Los Angeles

Howard & Howard Attorneys PLLC - Los Angeles

Law Firm
Beverly Hills, CA
AI and SoftwareMechanical
O'Banion & Ritchey LLP

O'Banion & Ritchey LLP

Law Firm
Sacramento, CA
Mechanical
Hackler Daghighian Law Offices

Hackler Daghighian Law Offices

Law Firm
Los Angeles, CA
The Patent Office

The Patent Office

Law Firm
Burbank, CA
Craig Mc Laughlin Law Office

Craig Mc Laughlin Law Office

Patent Attorney
Seal Beach, CA
Redbrick IP

Redbrick IP

Patent Attorney
Santa Monica, CA
AI and SoftwareElectricalMechanical
Bugnion Spa

Bugnion Spa

Law Firm
Santa Monica, CA
ElectricalBiotechnologyAerospace
Irving Keschner

Irving Keschner

Patent Attorney
Torrance, CA
S

Smyrski Patent Law PC

Law Firm
Santa Monica, CA
AI and SoftwareElectricalMechanical
Pasadena Legal Group

Pasadena Legal Group

Law Firm
Pasadena, CA
D

David P. Enzminger - Winston & Strawn LLP

Law Firm
Los Angeles, CA
Loza & Loza LLP

Loza & Loza LLP

Law Firm
Pasadena, CA
M

MOCC Patent Law

Law Firm
Glendale, CA
Mechanical
B

Brooks Kushman

Patent Attorney
Los Angeles, CA
Mechanical
1

1patnentdrawings.com

Law Firm
Los Angeles, CA
Mechanical
J

John Rizvi, P.A. - The Idea Attorneys

Law Firm
Los Angeles, CA
MechanicalBiotechnology
J

Jafari Law Group

Law Firm
Los Angeles, CA
MechanicalClean Energy
IPxLaw Group LLP

IPxLaw Group LLP

Law Firm
San Jose, CA
I

IPValue Management Inc.

Law Firm
Santa Clara, CA
Electrical
Hourglass Research, LLC

Hourglass Research, LLC

Law Firm
San Jose, CA
AI and SoftwareElectricalMechanical
Law Offices of Mike Ross

Law Offices of Mike Ross

Law Firm
San Jose, CA
E

Eric B. Alspaugh APC

Law Firm
Aliso Viejo, CA
McMahon Serepca LLP

McMahon Serepca LLP

Law Firm
Palo Alto, CA
G

Grant's Law Firm

Law Firm
Irvine, CA
LKGlobal San Diego

LKGlobal San Diego

Patent Attorney
San Diego, CA
AI and SoftwareElectricalMechanical
J

Jaquez Land Greenhaus LLP

Law Firm
San Diego, CA
IPpro Inc

IPpro Inc

Law Firm
Palo Alto, CA
I

Innovation Partners

Law Firm
Palo Alto, CA
Ian B. Edvalson

Ian B. Edvalson

Patent Attorney
Palo Alto, CA
Biotechnology
Peters Verny, LLP

Peters Verny, LLP

Law Firm
Palo Alto, CA
Alston & Bird

Alston & Bird

Law Firm
Palo Alto, CA
AI and SoftwareElectricalMechanical
Vierra Magen Marcus LLP

Vierra Magen Marcus LLP

Law Firm
San Francisco, CA
J

James C. Lin - Winston & Strawn LLP

Law Firm
Redwood City, CA
Dickinson Wright

Dickinson Wright

Patent Attorney
Mountain View, CA
AI and SoftwareElectricalMechanical
P

Parnell Engineering & Consulting

Law Firm
Sunnyvale, CA
ElectricalMechanicalMedical Devices
S

SoCal IP Law Group LLP

Law Firm
Irvine, CA
Nguyen & Tarbet

Nguyen & Tarbet

Law Firm
Irvine, CA
Consumer Products
Umberg Zipser LLP

Umberg Zipser LLP

Law Firm
Irvine, CA
MechanicalBiotechnologyMedical Devices
Wang IP Law Group, P.C.

Wang IP Law Group, P.C.

Law Firm
Irvine, CA
ElectricalMechanicalClean Energy
M

Meador & Engle

Law Firm
Seal Beach, CA
M

Marcus N. DiBuduo, Esq.

Patent Attorney
Fresno, CA
Biotechnology
L

Law Office of Michael C. Olson

Patent Attorney
Seal Beach, CA
Hoofe IP Law PC

Hoofe IP Law PC

Law Firm
Newport Beach, CA
AI and SoftwareElectricalMechanical
Alford Law Group, Inc

Alford Law Group, Inc

Law Firm
Mission Viejo, CA
IP Jurists PC

IP Jurists PC

Law Firm
Irvine, CA
AI and SoftwareMechanical
Mind Law Firm

Mind Law Firm

Law Firm
Irvine, CA
INHOUSE CO LAW FIRM

INHOUSE CO LAW FIRM

Law Firm
Irvine, CA
Biotechnology
Ph.D. Patents

Ph.D. Patents

Law Firm
Berkeley, CA
Joseph, Cohen & Del Vecchio, PC

Joseph, Cohen & Del Vecchio, PC

Law Firm
San Francisco, CA
S

San Francisco Patent / Trademark Attorney - Nwamu, PC

Law Firm
San Francisco, CA
ElectricalMechanicalConsumer Products
EcoTech Law Group, P.C.

EcoTech Law Group, P.C.

Law Firm
San Francisco, CA
AI and SoftwareElectricalMechanical
S

Schox Patent Group

Law Firm
San Francisco, CA
AI and SoftwareElectricalMechanical
J

John Rizvi, P.A. - The Idea Attorneys

Law Firm
San Francisco, CA
MechanicalBiotechnology
G

Garteiser Honea

Patent Attorney
San Francisco, CA
Bozicevic, Field & Francis LLP

Bozicevic, Field & Francis LLP

Law Firm
San Francisco, CA
T

Thomas J. Kearney - Winston & Strawn LLP

Law Firm
San Francisco, CA
E

Eimeric Reig-Plessis - Winston & Strawn LLP

Law Firm
San Francisco, CA
G

Grellas Shah LLP

Law Firm
San Francisco, CA
AI and SoftwareElectrical
Knobbe Martens

Knobbe Martens

Patent Attorney
San Francisco, CA
AI and SoftwareElectricalMechanical
Law Offices of Kamran Fattahi

Law Offices of Kamran Fattahi

Law Firm
Sherman Oaks, CA
Mechanical
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
Riverside, CA
AI and SoftwareElectricalMechanical
Palo Alto Patent / Trademark Attorney / Nwamu, P.C. (Professional Law Corporation)

Palo Alto Patent / Trademark Attorney / Nwamu, P.C. (Professional Law Corporation)

Law Firm
Palo Alto, CA
ElectricalMechanicalConsumer Products
H

Haverstock & Owens LLP

Law Firm
Sunnyvale, CA
Hudnell Law Group

Hudnell Law Group

Law Firm
Mountain View, CA
B

Barry IP Law

Patent Attorney
Mission Viejo, CA
SoCal IP Law Group LLP

SoCal IP Law Group LLP

Law Firm
Santa Barbara, CA
C

Cislo & Thomas LLP - Patent Law Lawyers/Attorneys

Law Firm
Santa Barbara, CA
AI and SoftwareMechanicalBiotechnology
T

Thomas F. Lebens

Patent Attorney
San Luis Obispo, CA
AI and SoftwareElectricalMechanical
F

Fitch Even Tabin & Flannery LLP

Law Firm
San Luis Obispo, CA
AI and SoftwareElectricalMechanical
Loza & Loza LLP

Loza & Loza LLP

Law Firm
Pleasanton, CA
Apex Attorneys at Law, LLP

Apex Attorneys at Law, LLP

Law Firm
San Ramon, CA
Law Office of Louis Wu

Law Office of Louis Wu

Patent Attorney
Oakland, CA
AI and SoftwareElectricalBiotechnology
Hickman Palermo Becker Bingham LLP

Hickman Palermo Becker Bingham LLP

Law Firm
San Jose, CA
AI and SoftwareMechanicalElectrical
Kwan & Olynick LLP

Kwan & Olynick LLP

Law Firm
Berkeley, CA
Vosen Steven R

Vosen Steven R

Patent Attorney
Berkeley, CA
Creative Industry Law

Creative Industry Law

Patent Attorney
Berkeley, CA
Secure Patent Strategies

Secure Patent Strategies

Law Firm
Sacramento, CA
Bozicevic Field & Francis LLP

Bozicevic Field & Francis LLP

Law Firm
Redwood City, CA
JW Law Group

JW Law Group

Law Firm
San Jose, CA
ElectricalMedical DevicesClean Energy
Tran & Associates

Tran & Associates

Law Firm
Santa Clara, CA
AI and SoftwareElectricalMechanical
Alan Heimlich Law Office

Alan Heimlich Law Office

Patent Attorney
Santa Clara, CA
ElectricalMechanical
Aris Gregorian

Aris Gregorian

Patent Attorney
San Jose, CA
AI and SoftwareElectricalMechanical
Menteso IP

Menteso IP

Patent Attorney
San Jose, CA
Murabito Hao & Barnes LLP

Murabito Hao & Barnes LLP

Law Firm
San Jose, CA
Electrical
The Inventor's Friend Patent Law Firm

The Inventor's Friend Patent Law Firm

Law Firm
San Diego, CA
AI and Software
Traverse Legal, PLC

Traverse Legal, PLC

Patent Attorney
Pasadena, CA
AI and SoftwareMechanicalChemical
F

Fish & Richardson P.C.

Law Firm
San Diego, CA
AI and SoftwareElectricalBiotechnology
J

John Rizvi, P.A. - The Idea Attorneys

Law Firm
San Diego, CA
MechanicalBiotechnology
S

Santangelo Law Offices

Law Firm
San Diego, CA
AI and SoftwareElectricalBiotechnology
The Law Offices of Eric W. Peterson

The Law Offices of Eric W. Peterson

Law Firm
San Diego, CA
ElectricalBiotechnologyMedical Devices
W

Wagenknecht IP Law Group PC

Law Firm
San Diego, CA
AI and SoftwareElectricalBiotechnology
APEX Patents & Licensing

APEX Patents & Licensing

Law Firm
San Diego, CA
Stephen C. Beuerle, San Diego’s Patent Attorney for Small Businesses and Entrepreneurs

Stephen C. Beuerle, San Diego’s Patent Attorney for Small Businesses and Entrepreneurs

Law Firm
San Diego, CA
AI and SoftwareElectricalMechanical
Stephen C. Beuerle, San Diego's Patent Attorney for Small Businesses and Entrepreneurs

Stephen C. Beuerle, San Diego's Patent Attorney for Small Businesses and Entrepreneurs

Law Firm
San Diego, CA
AI and SoftwareElectricalMechanical
Fitch, Even, Tabin & Flannery LLP

Fitch, Even, Tabin & Flannery LLP

Law Firm
San Diego, CA
AI and SoftwareElectricalMechanical
P

Patterson + Sheridan, LLP

Law Firm
San Diego, CA
ElectricalBiotechnologyConsumer Products
T

The Law Office of Elizabeth Swanson

Patent Attorney
Los Angeles, CA
Rakesh Michael

Rakesh Michael

Patent Attorney
San Jose, CA
AI and Software
Matthew Kuipers

Matthew Kuipers

Patent Attorney
San Jose, CA
AI and Software
Houst Consulting

Houst Consulting

Patent Attorney
Cupertino, CA
Fergus, A Law Office

Fergus, A Law Office

Patent Attorney
San Francisco, CA
AI and SoftwareBiotechnology
Alloy Patent Law

Alloy Patent Law

Law Firm
San Francisco, CA
ChemicalAI and SoftwareMechanical
M

Making Innovation Count PLLC

Law Firm
Santa Barbara, CA
AI and SoftwareElectricalBiotechnology
Alloy Patent Law

Alloy Patent Law

Law Firm
San Diego, CA
ChemicalAI and SoftwareMechanical
Patterson + Sheridan, LLP

Patterson + Sheridan, LLP

Law Firm
San Jose, CA
ElectricalMechanicalBiotechnology
A

Aerlex Law Group

Law Firm
Los Angeles, CA
Aerospace
I

Inskeep Intellectual Property Group, Inc.

Law Firm
Torrance, CA
Patent Law Professionals PC

Patent Law Professionals PC

Law Firm
San Jose, CA
AI and SoftwareElectricalMechanical
G

Goodwin Procter San Francisco

Patent Attorney
San Francisco, CA
MechanicalBiotechnology
Goodwin Procter Santa Monica

Goodwin Procter Santa Monica

Patent Attorney
Santa Monica, CA
MechanicalBiotechnology
Ascent Horizon LLC

Ascent Horizon LLC

Law Firm
Irvine, CA
ElectricalMedical Devices
Fish & Richardson P.C.

Fish & Richardson P.C.

Law Firm
Newport Beach, CA
AI and SoftwareElectricalBiotechnology
B

BHW IP Law, Barceló, Harrison & Walker, LLP

Law Firm
Palo Alto, CA
AI and SoftwareMechanicalElectrical
T

Trademark Offices of ICIP Law

Patent Attorney
Carlsbad, CA
MechanicalAerospace
D

Diament Patent Law, A Professional Corporation

Law Firm
Los Angeles, CA
ElectricalBiotechnologyConsumer Products
B

Barcelo, Harrison & Walker, LLP

Law Firm
Newport Beach, CA
AI and SoftwareElectricalMechanical
L

Loza & Loza LLP

Law Firm
Westlake Village, CA
Duane Morris LLP Guy W. Chambers

Duane Morris LLP Guy W. Chambers

Law Firm
San Francisco, CA
Hankin Patent Law

Hankin Patent Law

Law Firm
Newport Beach, CA
Julia L. Minitti

Julia L. Minitti

Patent Attorney
Palo Alto, CA
Burke Law Group

Burke Law Group

Law Firm
Menlo Park, CA
I

Integral Patent

Law Firm
San Francisco, CA
Antero & Tormey

Antero & Tormey

Law Firm
San Francisco, CA
The Law Offices of Kirk B. Freeman

The Law Offices of Kirk B. Freeman

Law Firm
San Francisco, CA
Intellectual Property Law Office of Robert Xu

Intellectual Property Law Office of Robert Xu

Patent Attorney
San Ramon, CA
Stewart Kellar, Trademark Attorney, Beeson Skinner Beverly, LLP

Stewart Kellar, Trademark Attorney, Beeson Skinner Beverly, LLP

Law Firm
Oakland, CA
Intellectual Property Law Office of W. Eric Boyd

Intellectual Property Law Office of W. Eric Boyd

Patent Attorney
La Mesa, CA
W

Watermark Patent & Trademark

Law Firm
Carlsbad, CA
Hanson Law Corporation

Hanson Law Corporation

Patent Attorney
Murrieta, CA
Thomas Mccartney

Thomas Mccartney

Patent Attorney
Bakersfield, CA

Other Cities in California

Additional patent professionals across California.

Lowry Blixseth APC

Lowry Blixseth APC

Law Firm
Agoura Hills, CA
ElectricalMechanicalBiotechnology
DANE IP Law PC

DANE IP Law PC

Law Firm
Anaheim, CA
Law Offices of Pujie Zheng

Law Offices of Pujie Zheng

Law Firm
Arcadia, CA
I

Inventive Law Inc.

Law Firm
Auburn, CA
ElectricalMechanicalBiotechnology
Bartels Law Group: Donald Bartels Attorney

Bartels Law Group: Donald Bartels Attorney

Law Firm
Burlingame, CA
Law Office of Ralph D. Chabot

Law Office of Ralph D. Chabot

Patent Attorney
Camarillo, CA
Law Office of H. Ernie Nishii

Law Office of H. Ernie Nishii

Patent Attorney
Cerritos, CA
W

Wang IP Law Group, P.C.

Law Firm
City of Industry, CA
ElectricalMechanicalClean Energy
Owen Wickersham & Erickson

Owen Wickersham & Erickson

Law Firm
Concord, CA
B

Buhler & Associates Patenting

Law Firm
Corona, CA
Roland Tong, Attorney for Manning & Kass, Ellrod, Ramirez, Trester LLP

Roland Tong, Attorney for Manning & Kass, Ellrod, Ramirez, Trester LLP

Law Firm
Costa Mesa, CA
AI and SoftwareElectricalMechanical
O

One LLP

Law Firm
Culver City, CA
Mechanical
American Patent & Trademark Law Center - San Diego Patent Attorney

American Patent & Trademark Law Center - San Diego Patent Attorney

Law Firm
Del Mar, CA
MechanicalMedical Devices
D

Dewey & LeBoeuf LLP

Law Firm
East Palo Alto, CA
Fabiano Law Firm, P.C.

Fabiano Law Firm, P.C.

Law Firm
Encinitas, CA
Biotechnology
Brunton & Jagger

Brunton & Jagger

Law Firm
Fallbrook, CA
A

Alberti Lim & Tonkovich LLP

Law Firm
Foster City, CA
M

Murthy Patent Law Inc

Law Firm
Fremont, CA
T

The Law Office of Austin Bonderer

Patent Attorney
Fullerton, CA
Chemical
Orange County Lawyers

Orange County Lawyers

Patent Attorney
Garden Grove, CA
Aerospace
Verus Law Group, APC

Verus Law Group, APC

Law Firm
Inglewood, CA
L

Law Offices of George Steele

Law Firm
La Cañada Flintridge, CA
ASCENDANT Legal Services - ASCENDANT IP

ASCENDANT Legal Services - ASCENDANT IP

Patent Attorney
Lafayette, CA
Steve Nielsen, Patent Attorney

Steve Nielsen, Patent Attorney

Law Firm
Larkspur, CA
F

Fulwider Patton LLP

Law Firm
Long Beach, CA
Los Altos Law

Los Altos Law

Patent Attorney
Los Altos, CA
Vegh IP Legal

Vegh IP Legal

Patent Attorney
Manhattan Beach, CA
AI and Software
Pacifica IP

Pacifica IP

Law Firm
Marina Del Rey, CA
L

Law Office of Benjamin Diederich

Patent Attorney
Menifee, CA
B

Berliner Cohen LLP

Law Firm
Merced, CA
Patent Law Agency, LLC

Patent Law Agency, LLC

Law Firm
Montrose, CA
D

Demirjian Law Offices

Law Firm
North Hollywood, CA
B

BarthCalderon, LLP

Law Firm
Orange, CA
Bold Patents Law Firm

Bold Patents Law Firm

Law Firm
Oxnard, CA
AI and SoftwareElectricalMechanical
K

Knowmad Law

Patent Attorney
Pacific Grove, CA
AI and SoftwareBiotechnology
U

UTULAW PC

Law Firm
Paramount, CA
Young Law Firm, P.C.

Young Law Firm, P.C.

Law Firm
Portola Valley, CA
L

Law Office of Lewis Brande

Patent Attorney
Rancho Cucamonga, CA
Making Innovation Count PLLC

Making Innovation Count PLLC

Law Firm
Redlands, CA
AI and SoftwareElectricalBiotechnology
R

Ross Patent Law Office

Law Firm
San Marcos, CA
L

Law Offices of Green & Green

Law Firm
San Rafael, CA
AI and Software
S

Soquel Group LLC

Law Firm
Santa Cruz, CA
Tran & Associates

Tran & Associates

Law Firm
Saratoga, CA
AI and SoftwareElectricalMechanical
M

MU Patents

Law Firm
Solana Beach, CA
Ray K Shahani Esq

Ray K Shahani Esq

Patent Attorney
South San Francisco, CA
Sierra IP Law, PC

Sierra IP Law, PC

Law Firm
Stockton, CA
AI and SoftwareElectricalMechanical
Anderson & Associates

Anderson & Associates

Law Firm
Temecula, CA
ElectricalBiotechnology
Jody Moore, Esq.

Jody Moore, Esq.

Patent Attorney
Thousand Oaks, CA
B

Bridge Law LLP

Law Firm
Union City, CA
Loza & Loza LLP

Loza & Loza LLP

Law Firm
Upland, CA
R

Roland Tong, Patent Attorney

Law Firm
Valencia, CA
AI and SoftwareElectricalMechanical
Quintero Law Office, PC

Quintero Law Office, PC

Law Firm
Venice, CA
The Law Offices of Christopher M. Keller

The Law Offices of Christopher M. Keller

Law Firm
Ventura, CA
Central Coast Patent Agency, Inc

Central Coast Patent Agency, Inc

Law Firm
Watsonville, CA
AI and SoftwareElectricalClean Energy

Frequently Asked Questions

How much does a patent attorney cost in California?

Based on pricing data from 30 attorneys in California, the average cost for a provisional patent application is $4,924 and a utility patent is $10,022. Use our cost calculator for a personalized estimate.

How many patent attorneys are in California?

There are 376 patent professionals listed across 101 cities in California. This includes patent attorneys, patent agents, and intellectual property law firms.

What specialties do California patent attorneys handle?

Patent attorneys in California most commonly handle mechanical, electrical, software, and biotechnology patents. Browse by city to find attorneys near you with the right specialty.

Do California patent attorneys offer free consultations?

Yes, 106 of 376 patent professionals in California offer free initial consultations.