Registered patent agent

Peter T Liu

USPTO Reg. 61590

Address

18935 Masterson Place

Castro Valley, CA, 94552

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Peter T Liu

  • Is Peter T Liu a registered patent attorney?

    Peter T Liu is a registered patent agent (USPTO Registration Number 61590). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Peter T Liu located?

    Peter T Liu's office is in Castro Valley, California (94552).

  • How do I contact Peter T Liu?

    Peter T Liu's office phone (per the USPTO public roster) is 510-889-9281. 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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