Registered patent attorney
Charles S Guenzer
Firm
Law Offices of Charles Guenzer
Address
3852 Grove Avenue
Palo Alto, CA, 95303
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Charles S Guenzer
Is Charles S Guenzer a registered patent attorney?
Yes. Charles S Guenzer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30640). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Charles S Guenzer located?
Charles S Guenzer's office is in Palo Alto, California (95303). Affiliated with Law Offices of Charles Guenzer.
What firm does Charles S Guenzer work at?
Charles S Guenzer is listed as affiliated with Law Offices of Charles Guenzer on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Charles S Guenzer?
Charles S Guenzer's office phone (per the USPTO public roster) is 650-387-4268. 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.