Registered patent attorney

Hanchel Cheng

USPTO Reg. 79223

Firm

Fenwick and West LLP

Address

801 California Street

Mountain View, CA, 94041

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Hanchel Cheng

  • Is Hanchel Cheng a registered patent attorney?

    Yes. Hanchel Cheng is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 79223). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Hanchel Cheng located?

    Hanchel Cheng's office is in Mountain View, California (94041). Affiliated with Fenwick and West LLP.

  • What firm does Hanchel Cheng work at?

    Hanchel Cheng is listed as affiliated with Fenwick and West LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Hanchel Cheng?

    Hanchel Cheng's office phone (per the USPTO public roster) is 650-335-4927. 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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