Registered patent agent

Hanshuang Liang

USPTO Reg. 77472

Firm

Leydig, Voit & Mayer, LLP

Address

1981 N. Broadway, Suite 375

Walnut Creek, CA, 94596

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Hanshuang Liang

  • Is Hanshuang Liang a registered patent attorney?

    Hanshuang Liang is a registered patent agent (USPTO Registration Number 77472). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Hanshuang Liang located?

    Hanshuang Liang's office is in Walnut Creek, California (94596). Affiliated with Leydig, Voit & Mayer, LLP.

  • What firm does Hanshuang Liang work at?

    Hanshuang Liang is listed as affiliated with Leydig, Voit & Mayer, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Hanshuang Liang?

    Hanshuang Liang's office phone (per the USPTO public roster) is 925-482-0104. 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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