Registered patent attorney

David M Kohn

USPTO Reg. 53150

Firm

Lewis, Kohn & Walker LLP

Address

15030 Avenue of Science

Suite 201

San Diego, CA, 92128

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in San Diego, California

Browse all San Diego patent attorneys →

Frequently asked

Frequently asked about David M Kohn

  • Is David M Kohn a registered patent attorney?

    Yes. David M Kohn is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 53150). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David M Kohn located?

    David M Kohn's office is in San Diego, California (92128). Affiliated with Lewis, Kohn & Walker LLP.

  • What firm does David M Kohn work at?

    David M Kohn is listed as affiliated with Lewis, Kohn & Walker LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David M Kohn?

    David M Kohn's office phone (per the USPTO public roster) is 858-436-1336. 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 18:34 EDT