Registered patent attorney

William P Green

USPTO Reg. 16961

Address

3570 E Lombardy Rd

Pasadena, CA, 91107

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Pasadena, California

Browse all Pasadena patent attorneys →

Frequently asked

Frequently asked about William P Green

  • Is William P Green a registered patent attorney?

    Yes. William P Green is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 16961). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William P Green located?

    William P Green's office is in Pasadena, California (91107).

  • How do I contact William P Green?

    William P Green's office phone (per the USPTO public roster) is 626-449-6922. 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 16:30 EDT