Registered patent attorney

Richard Russell Diefendorf

USPTO Reg. 32390

Address

479 Eden Drive SW

Supply, NC, 28462

US

Phone

Registered as

Registered patent attorney

Frequently asked

Frequently asked about Richard Russell Diefendorf

  • Is Richard Russell Diefendorf a registered patent attorney?

    Yes. Richard Russell Diefendorf is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 32390). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Richard Russell Diefendorf located?

    Richard Russell Diefendorf's office is in Supply, North Carolina (28462).

  • How do I contact Richard Russell Diefendorf?

    Richard Russell Diefendorf's office phone (per the USPTO public roster) is 703-597-3318. 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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