Registered patent agent

Catherine May Sanders

USPTO Reg. 50660

Address

4436 Gem Ave.

Castro Valley, CA, 94546

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Castro Valley, California

Browse all Castro Valley patent attorneys →

Frequently asked

Frequently asked about Catherine May Sanders

  • Is Catherine May Sanders a registered patent attorney?

    Catherine May Sanders is a registered patent agent (USPTO Registration Number 50660). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Catherine May Sanders located?

    Catherine May Sanders's office is in Castro Valley, California (94546).

  • How do I contact Catherine May Sanders?

    Catherine May Sanders's office phone (per the USPTO public roster) is 510-909-0132. 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 19:46 EDT