Registered patent agent

Zhigang Ma

USPTO Reg. 76258

Firm

Baker Botts LLP

Address

101 California Street

Suite 3600

San Francisco, CA, 94111

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Zhigang Ma

  • Is Zhigang Ma a registered patent attorney?

    Zhigang Ma is a registered patent agent (USPTO Registration Number 76258). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Zhigang Ma located?

    Zhigang Ma's office is in San Francisco, California (94111). Affiliated with Baker Botts LLP.

  • What firm does Zhigang Ma work at?

    Zhigang Ma is listed as affiliated with Baker Botts LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Zhigang Ma?

    Zhigang Ma's office phone (per the USPTO public roster) is 415-291-6239. 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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