Registered patent attorney
Sean A. O'Donnell
Firm
Ballast IP Law, LLP
Address
1875 Connecticut Avenue, NW
Washington, DC, 20009
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Sean A. O'Donnell
Is Sean A. O'Donnell a registered patent attorney?
Yes. Sean A. O'Donnell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 75513). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sean A. O'Donnell located?
Sean A. O'Donnell's office is in Washington, District of Columbia (20009). Affiliated with Ballast IP Law, LLP.
What firm does Sean A. O'Donnell work at?
Sean A. O'Donnell is listed as affiliated with Ballast IP Law, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sean A. O'Donnell?
Sean A. O'Donnell's office phone (per the USPTO public roster) is 202-340-4576. 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.