Registered patent attorney
James Trosino
Firm
Vierra Magen Marcus, LLP
Address
575 Market Street
Suite 3750
San Francisco, CA, 94105
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about James Trosino
Is James Trosino a registered patent attorney?
Yes. James Trosino is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 39862). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is James Trosino located?
James Trosino's office is in San Francisco, California (94105). Affiliated with Vierra Magen Marcus, LLP.
What firm does James Trosino work at?
James Trosino is listed as affiliated with Vierra Magen Marcus, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact James Trosino?
James Trosino's office phone (per the USPTO public roster) is 415-489-4126. 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.