Registered patent attorney

Esther E Klein

USPTO Reg. 34337

Address

112 Dundee Lane

San Carlos, CA, 94070

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in San Carlos, California

Browse all San Carlos patent attorneys →

Frequently asked

Frequently asked about Esther E Klein

  • Is Esther E Klein a registered patent attorney?

    Yes. Esther E Klein is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 34337). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Esther E Klein located?

    Esther E Klein's office is in San Carlos, California (94070).

  • How do I contact Esther E Klein?

    Esther E Klein's office phone (per the USPTO public roster) is 408-761-0047. 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 19:52 EDT