Registered patent attorney

John Alexander Sinclair

USPTO Reg. 29109

Address

34149 Northwick Street

Farmington Hills, MI, 48331

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Farmington Hills, Michigan

Browse all Farmington Hills patent attorneys →

Frequently asked

Frequently asked about John Alexander Sinclair

  • Is John Alexander Sinclair a registered patent attorney?

    Yes. John Alexander Sinclair is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 29109). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Alexander Sinclair located?

    John Alexander Sinclair's office is in Farmington Hills, Michigan (48331).

  • How do I contact John Alexander Sinclair?

    John Alexander Sinclair's office phone (per the USPTO public roster) is 248-661-3775. 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 15:21 EDT