Registered patent agent

Robert John Graham

USPTO Reg. 43430

Firm

Granham Patent Law

Address

P.O. Box 451

Rockwood, ON, N0B 2K0

CA

Phone

Registered as

Registered patent agent

Frequently asked

Frequently asked about Robert John Graham

  • Is Robert John Graham a registered patent attorney?

    Robert John Graham is a registered patent agent (USPTO Registration Number 43430). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Robert John Graham located?

    Robert John Graham's office is in Rockwood, ON (N0B 2K0). Affiliated with Granham Patent Law.

  • What firm does Robert John Graham work at?

    Robert John Graham is listed as affiliated with Granham Patent Law on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Robert John Graham?

    Robert John Graham's office phone (per the USPTO public roster) is 519-546-3957. 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.

build 4315ed5 · 2026-05-22 19:52 EDT