Registered patent attorney

John D Dellinger

USPTO Reg. 50436

Firm

United States Department of Agriculture

Address

14th and Independence Avenue, SW

Washington, DC, 20250-1400

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John D Dellinger

  • Is John D Dellinger a registered patent attorney?

    Yes. John D Dellinger is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 50436). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John D Dellinger located?

    John D Dellinger's office is in Washington, District of Columbia (20250-1400). Affiliated with United States Department of Agriculture.

  • What firm does John D Dellinger work at?

    John D Dellinger is listed as affiliated with United States Department of Agriculture on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John D Dellinger?

    John D Dellinger's office phone (per the USPTO public roster) is 202-239-4531. 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.

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