Registered patent attorney
John Martin Howell
Address
169 Highland Drive
Napa, CA, 94559
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Napa, California
- Matthew C BashawUSPTO Reg. 54876
- Paul M. BerardUSPTO Reg. 59715
- Scott R GarveyUSPTO Reg. 70548
- Andrew C GreenbergUSPTO Reg. 38476
- Anne E HuffsmithUSPTO Reg. 57041
- Katja D LoeffelholzDickenson Peatman & Fogarty
- Gerald L RobertsonLaw Offices of Gerald L. Robertson & Associates
- Howard L SpeightUSPTO Reg. 37733
Frequently asked
Frequently asked about John Martin Howell
Is John Martin Howell a registered patent attorney?
Yes. John Martin Howell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 33713). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John Martin Howell located?
John Martin Howell's office is in Napa, California (94559).
How do I contact John Martin Howell?
John Martin Howell's office phone (per the USPTO public roster) is 707-666-2259. 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.