Registered patent attorney
John D Dellinger
Firm
United States Department of Agriculture
Address
14th and Independence Avenue, SW
Washington, DC, 20250-1400
US
Phone
Registered as
Registered patent attorney
Other attorneys at United States Department of Agriculture
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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.