Registered patent attorney

John Allen Clifford

USPTO Reg. 30247

Firm

Merchant & Gould PC

Address

3200 IDS Center

80 S. 8th St.

Minneapolis, MN, 55402

US

Phone

Registered as

Registered patent attorney

Other attorneys at Merchant & Gould PC

Other patent attorneys in Minneapolis, Minnesota

Browse all Minneapolis patent attorneys →

Frequently asked

Frequently asked about John Allen Clifford

  • Is John Allen Clifford a registered patent attorney?

    Yes. John Allen Clifford is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30247). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Allen Clifford located?

    John Allen Clifford's office is in Minneapolis, Minnesota (55402). Affiliated with Merchant & Gould PC.

  • What firm does John Allen Clifford work at?

    John Allen Clifford is listed as affiliated with Merchant & Gould PC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John Allen Clifford?

    John Allen Clifford's office phone (per the USPTO public roster) is 612-336-4616. 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 17:15 EDT