Registered patent attorney

David G Duckworth

USPTO Reg. 39516

Firm

Russo & Duckworth, LLP

Address

9090 Irvine Center Drive

Second Floor

Irvine, CA, 92618

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Irvine, California

Browse all Irvine patent attorneys →

Frequently asked

Frequently asked about David G Duckworth

  • Is David G Duckworth a registered patent attorney?

    Yes. David G Duckworth is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 39516). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David G Duckworth located?

    David G Duckworth's office is in Irvine, California (92618). Affiliated with Russo & Duckworth, LLP.

  • What firm does David G Duckworth work at?

    David G Duckworth is listed as affiliated with Russo & Duckworth, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David G Duckworth?

    David G Duckworth's office phone (per the USPTO public roster) is 949-724-1255. 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 18:28 EDT