Registered patent agent
Sean M Brennan
Firm
Brennan IP Services
Address
13493 Cabezut Road
Sonora, CA, 95370
US
Phone
Registered as
Registered patent agent
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Frequently asked about Sean M Brennan
Is Sean M Brennan a registered patent attorney?
Sean M Brennan is a registered patent agent (USPTO Registration Number 39917). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Sean M Brennan located?
Sean M Brennan's office is in Sonora, California (95370). Affiliated with Brennan IP Services.
What firm does Sean M Brennan work at?
Sean M Brennan is listed as affiliated with Brennan IP Services on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sean M Brennan?
Sean M Brennan's office phone (per the USPTO public roster) is 209-533-2564. 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.