Registered patent attorney
John N. Calve
Address
2500 Q Street NW, Apt. 740
Washington, DC, 20007-4349
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about John N. Calve
Is John N. Calve a registered patent attorney?
Yes. John N. Calve is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52685). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John N. Calve located?
John N. Calve's office is in Washington, District of Columbia (20007-4349).
How do I contact John N. Calve?
John N. Calve's office phone (per the USPTO public roster) is 202-412-4892. 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.