Registered patent agent

Zhengya Liu

USPTO Reg. 83445

Address

701 China Basin St

Apt 322

San Francisco, CA, 94158-2367

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Zhengya Liu

  • Is Zhengya Liu a registered patent attorney?

    Zhengya Liu is a registered patent agent (USPTO Registration Number 83445). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Zhengya Liu located?

    Zhengya Liu's office is in San Francisco, California (94158-2367).

  • How do I contact Zhengya Liu?

    Zhengya Liu's office phone (per the USPTO public roster) is 415-200-1919. 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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