Registered patent attorney

Charles S Guenzer

USPTO Reg. 30640

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.

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