Registered patent attorney

David Duane Phinney

USPTO Reg. 48364

Firm

Wilson Sonsini Goodrich & Rosati

Address

701 Fifth Avenue, Suite 5100

Seattle, WA, 98104

US

Phone

Registered as

Registered patent attorney

Other attorneys at Wilson Sonsini Goodrich & Rosati

Other patent attorneys in Seattle, Washington

Browse all Seattle patent attorneys →

Frequently asked

Frequently asked about David Duane Phinney

  • Is David Duane Phinney a registered patent attorney?

    Yes. David Duane Phinney is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48364). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David Duane Phinney located?

    David Duane Phinney's office is in Seattle, Washington (98104). Affiliated with Wilson Sonsini Goodrich & Rosati.

  • What firm does David Duane Phinney work at?

    David Duane Phinney is listed as affiliated with Wilson Sonsini Goodrich & Rosati on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David Duane Phinney?

    David Duane Phinney's office phone (per the USPTO public roster) is 206-883-2561. 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 21:11 EDT