Registered patent agent

Fumiko Yamaguchi

USPTO Reg. 58920

Address

435 Sheridan #101

Palo Alto, CA, 94306

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Palo Alto, California

Browse all Palo Alto patent attorneys →

Frequently asked

Frequently asked about Fumiko Yamaguchi

  • Is Fumiko Yamaguchi a registered patent attorney?

    Fumiko Yamaguchi is a registered patent agent (USPTO Registration Number 58920). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Fumiko Yamaguchi located?

    Fumiko Yamaguchi's office is in Palo Alto, California (94306).

  • How do I contact Fumiko Yamaguchi?

    Fumiko Yamaguchi's office phone (per the USPTO public roster) is 650-328-2975. 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.

build 4315ed5 · 2026-05-22 19:50 EDT