Registered patent agent

William C Cheng

USPTO Reg. 64473

Firm

Dickinson Wright RLLP

Address

800 West California Avenue

Suite 110

Sunnyvale, CA, 94086

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about William C Cheng

  • Is William C Cheng a registered patent attorney?

    William C Cheng is a registered patent agent (USPTO Registration Number 64473). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is William C Cheng located?

    William C Cheng's office is in Sunnyvale, California (94086). Affiliated with Dickinson Wright RLLP.

  • What firm does William C Cheng work at?

    William C Cheng is listed as affiliated with Dickinson Wright RLLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact William C Cheng?

    William C Cheng's office phone (per the USPTO public roster) is 408-701-6146. 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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