Registered patent attorney
Brian C. Barnes
Firm
Knobbe, Martens, Olson & Bear, LLP
Address
2040 Main St.
14 Fl
Irvine, CA, 92614
US
Phone
Registered as
Registered patent attorney
Other attorneys at Knobbe, Martens, Olson & Bear, LLP
- Eric L. AbadaUSPTO Reg. 79683 · Irvine, CA
- Omar K Al-MesnedUSPTO Reg. 73611 · Irvine, CA
- Janet M. AllendorphUSPTO Reg. 79783 · Irvine, CA
- Joel D AndersenUSPTO Reg. 83614 · Irvine, CA
- Bailey R. ArenbergUSPTO Reg. 82574 · Irvine, CA
- Harper L BeasleyUSPTO Reg. 81554 · Irvine, CA
- Paige L. CappelliUSPTO Reg. 79142 · Irvine, CA
- Gabrielle A. CapulongUSPTO Reg. 83642 · Irvine, CA
Other patent attorneys in Irvine, California
- Lannah S. AbasiK&L Gates LLP
- Tina Marie AbernethyLaw Office of Tina M. Abernethy
- Saul AchermanJafari Law Group, Inc.
- Jessica L AchtsamKnobbe Martens Olson & Bear LLP
- William O. AdamsKnobbe, Martens, Olson & Bear LLP
- Micha AdlerProcopio, Cory, Hargreaves & Savitch
- Erik M. AhroonAcacia Research Group LLC
- Adeel S AkhtarKnobbe Martens Olson and Bear, LLP
Frequently asked
Frequently asked about Brian C. Barnes
Is Brian C. Barnes a registered patent attorney?
Yes. Brian C. Barnes is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 75805). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Brian C. Barnes located?
Brian C. Barnes's office is in Irvine, California (92614). Affiliated with Knobbe, Martens, Olson & Bear, LLP.
What firm does Brian C. Barnes work at?
Brian C. Barnes is listed as affiliated with Knobbe, Martens, Olson & Bear, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Brian C. Barnes?
Brian C. Barnes's office phone (per the USPTO public roster) is 949-721-5242. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.