Registered patent attorney
Thomas L Treffert
Firm
Law Office of Thomas L. Treffert
Address
404 Bryant Street
San Francisco, CA, 94107
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Thomas L Treffert
Is Thomas L Treffert a registered patent attorney?
Yes. Thomas L Treffert is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48279). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Thomas L Treffert located?
Thomas L Treffert's office is in San Francisco, California (94107). Affiliated with Law Office of Thomas L. Treffert.
What firm does Thomas L Treffert work at?
Thomas L Treffert is listed as affiliated with Law Office of Thomas L. Treffert on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Thomas L Treffert?
Thomas L Treffert's office phone (per the USPTO public roster) is 415-830-6420. 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.