Registered patent agent

David B Ran

USPTO Reg. 38589

Firm

Amgen, Inc.

Address

1201 Amgen Court West

Seattle, WA, 98119-3105

US

Phone

Registered as

Registered patent agent

Other attorneys at Amgen, Inc.

Other patent attorneys in Seattle, Washington

Browse all Seattle patent attorneys →

Frequently asked

Frequently asked about David B Ran

  • Is David B Ran a registered patent attorney?

    David B Ran is a registered patent agent (USPTO Registration Number 38589). 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 B Ran located?

    David B Ran's office is in Seattle, Washington (98119-3105). Affiliated with Amgen, Inc..

  • What firm does David B Ran work at?

    David B Ran is listed as affiliated with Amgen, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David B Ran?

    David B Ran's office phone (per the USPTO public roster) is 206-265-7309. 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 15:55 EDT