Registered patent attorney

David George Johnson

USPTO Reg. 31628

Address

Post Office Box 286

Aitkin, MN, 56431

US

Phone

Registered as

Registered patent attorney

Frequently asked

Frequently asked about David George Johnson

  • Is David George Johnson a registered patent attorney?

    Yes. David George Johnson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31628). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David George Johnson located?

    David George Johnson's office is in Aitkin, Minnesota (56431).

  • How do I contact David George Johnson?

    David George Johnson's office phone (per the USPTO public roster) is 218-927-3700. 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