Registered patent attorney

Zheng Liu

USPTO Reg. 68406

Firm

Aptum Law

Address

750 Alma Lane

#8244

Foster city, CA, 94404

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Zheng Liu

  • Is Zheng Liu a registered patent attorney?

    Yes. Zheng Liu is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 68406). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Zheng Liu located?

    Zheng Liu's office is in Foster city, California (94404). Affiliated with Aptum Law.

  • What firm does Zheng Liu work at?

    Zheng Liu is listed as affiliated with Aptum Law on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Zheng Liu?

    Zheng Liu's office phone (per the USPTO public roster) is 650-475-6289. 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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