Registered patent agent

Brian W Siddons

USPTO Reg. 62776

Firm

BASF Enzymes LLC

Intellectual Property

Address

3550 John Hopkins Court

San Diego, CA, 92191-0550

US

Phone

Registered as

Registered patent agent

Other patent attorneys in San Diego, California

Browse all San Diego patent attorneys →

Frequently asked

Frequently asked about Brian W Siddons

  • Is Brian W Siddons a registered patent attorney?

    Brian W Siddons is a registered patent agent (USPTO Registration Number 62776). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Brian W Siddons located?

    Brian W Siddons's office is in San Diego, California (92191-0550). Affiliated with BASF Enzymes LLC.

  • What firm does Brian W Siddons work at?

    Brian W Siddons is listed as affiliated with BASF Enzymes LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Brian W Siddons?

    Brian W Siddons's office phone (per the USPTO public roster) is 858-431-8588. 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 20:45 EDT