Registered patent agent

Earl T. Cohen

USPTO Reg. 59638

Firm

etc Technologies, Inc.

Address

78 Hermosa Avenue

Oakland, CA, 94618

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Oakland, California

Browse all Oakland patent attorneys →

Frequently asked

Frequently asked about Earl T. Cohen

  • Is Earl T. Cohen a registered patent attorney?

    Earl T. Cohen is a registered patent agent (USPTO Registration Number 59638). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Earl T. Cohen located?

    Earl T. Cohen's office is in Oakland, California (94618). Affiliated with etc Technologies, Inc..

  • What firm does Earl T. Cohen work at?

    Earl T. Cohen is listed as affiliated with etc Technologies, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Earl T. Cohen?

    Earl T. Cohen's office phone (per the USPTO public roster) is 408-209-8685. 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 15:45 EDT