Registered patent attorney

Steven D. Tang

USPTO Reg. 65877

Firm

Amgen, Inc.

Address

One Amgen Center Drive

Newbury Park, CA, 91320

US

Phone

Registered as

Registered patent attorney

Other attorneys at Amgen, Inc.

Other patent attorneys in Newbury Park, California

Browse all Newbury Park patent attorneys →

Frequently asked

Frequently asked about Steven D. Tang

  • Is Steven D. Tang a registered patent attorney?

    Yes. Steven D. Tang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 65877). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Steven D. Tang located?

    Steven D. Tang's office is in Newbury Park, California (91320). Affiliated with Amgen, Inc..

  • What firm does Steven D. Tang work at?

    Steven D. Tang is listed as affiliated with Amgen, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Steven D. Tang?

    Steven D. Tang's office phone (per the USPTO public roster) is 805-447-2760. 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 22:42 EDT