Registered patent agent
John A Barrett
Address
3195 Juniper St.
San Diego, CA, 92104
US
Phone
Registered as
Registered patent agent
Other patent attorneys in San Diego, California
- Anders T AannestadMorrison & Foerster LLP
- Rita A AbbatiUSPTO Reg. 50715
- James J AburtoUSPTO Reg. 58119
- Nathan C. AckermannUSPTO Reg. 84527
- Brian S AdamsQUALCOMM Incorporated
- Raj J AdvaniWilson, Sonsini, Goodrich, and Rosati
- Prem AdvaniUSPTO Reg. 52542
- Sejin Q AhnNeurocrine Biosciences, Inc.
Frequently asked
Frequently asked about John A Barrett
Is John A Barrett a registered patent attorney?
John A Barrett is a registered patent agent (USPTO Registration Number 56657). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is John A Barrett located?
John A Barrett's office is in San Diego, California (92104).
How do I contact John A Barrett?
John A Barrett's office phone (per the USPTO public roster) is 858-243-3172. 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.