Registered patent agent

David C Cohen

USPTO Reg. 43554

Firm

Cohen Patent Services

Address

530 Mira Vista Ave

Oakland, CA, 94610

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about David C Cohen

  • Is David C Cohen a registered patent attorney?

    David C Cohen is a registered patent agent (USPTO Registration Number 43554). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is David C Cohen located?

    David C Cohen's office is in Oakland, California (94610). Affiliated with Cohen Patent Services.

  • What firm does David C Cohen work at?

    David C Cohen is listed as affiliated with Cohen Patent Services on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David C Cohen?

    David C Cohen's office phone (per the USPTO public roster) is 510-658-3039. 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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