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Registered patent attorney

Vivian Chew Keller

USPTO Reg. 79387

Firm

Orrick, Herrington & Sutcliffe LLP

Address

2100 Pennsylvania Ave NW

Washington, DC, 20037

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Vivian Chew Keller

  • Is Vivian Chew Keller a registered patent attorney?

    Yes. Vivian Chew Keller is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 79387). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Vivian Chew Keller located?

    Vivian Chew Keller's office is in Washington, District of Columbia (20037). Affiliated with Orrick, Herrington & Sutcliffe LLP.

  • What firm does Vivian Chew Keller work at?

    Vivian Chew Keller is listed as affiliated with Orrick, Herrington & Sutcliffe LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Vivian Chew Keller?

    Vivian Chew Keller's office phone (per the USPTO public roster) is 202-339-8400. 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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