Registered patent attorney
James G Warren
Firm
P.K. Schrieffer LLP
Address
100 North Barranca Avenue, Suite 1100
West Covina, CA, 91791
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in West Covina, California
- Joseph M HagemanUSPTO Reg. 27897
- Joe NiehUSPTO Reg. 46961
- James M SlominskiLaw Office
- Shihning WangPremium Attorneys-at-Law
Frequently asked
Frequently asked about James G Warren
Is James G Warren a registered patent attorney?
Yes. James G Warren is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 63747). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is James G Warren located?
James G Warren's office is in West Covina, California (91791). Affiliated with P.K. Schrieffer LLP.
What firm does James G Warren work at?
James G Warren is listed as affiliated with P.K. Schrieffer LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact James G Warren?
James G Warren's office phone (per the USPTO public roster) is 626-373-2444. 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.