Registered patent attorney
James P O'SullivanSr
Address
19360 Magnolia Grove Square
Unit 106
Leesburg, VA, 20176
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Leesburg, Virginia
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- Daniel Saul FinneganDunlap Bennett & Ludwig, PLLC
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Frequently asked
Frequently asked about James P O'Sullivan
Is James P O'Sullivan a registered patent attorney?
Yes. James P O'Sullivan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 20260). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is James P O'Sullivan located?
James P O'Sullivan's office is in Leesburg, Virginia (20176).
How do I contact James P O'Sullivan?
James P O'Sullivan's office phone (per the USPTO public roster) is 703-729-5105. 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.