Registered patent attorney

Erin O Buell

USPTO Reg. 57450

Firm

Townsend and Townsend and Crew LLP

Address

Two Embarcadero Center

8th Floor

San Francisco, CA, 94111

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Erin O Buell

  • Is Erin O Buell a registered patent attorney?

    Yes. Erin O Buell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57450). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Erin O Buell located?

    Erin O Buell's office is in San Francisco, California (94111). Affiliated with Townsend and Townsend and Crew LLP.

  • What firm does Erin O Buell work at?

    Erin O Buell is listed as affiliated with Townsend and Townsend and Crew LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Erin O Buell?

    Erin O Buell's office phone (per the USPTO public roster) is 415-273-7585. 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.

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