Registered patent attorney
Brian P O'Shaughnessy
Firm
Dinsmore & Shohl LLP
Address
801 Pennsylvania Avenue
Suite 610
Washington, DC, 20005
US
Phone
Registered as
Registered patent attorney
Other attorneys at Dinsmore & Shohl LLP
- Evan C. AllenUSPTO Reg. 84627 · Cincinnati, OH
- Thomas E AndersonUSPTO Reg. 31318 · Troy, MI
- Amulya K. AnnasamudramUSPTO Reg. 82859 · Pittsburgh, PA
- Juan U ArciaUSPTO Reg. 81392 · Miami, FL
- Nicole S. BarbaUSPTO Reg. 80477 · Cincinnati, OH
- Jordan H. BernsteinUSPTO Reg. 83825 · Tampa, FL
- Michael R. BonaUSPTO Reg. 74879 · Cleveland, OH
- Fayez S. ButtUSPTO Reg. 75552 · Houston, TX
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Canek AcostaMayer Brown LLP
- Stephanie N. AdamakosPaul Hastings LLP
Frequently asked
Frequently asked about Brian P O'Shaughnessy
Is Brian P O'Shaughnessy a registered patent attorney?
Yes. Brian P O'Shaughnessy is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 32747). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Brian P O'Shaughnessy located?
Brian P O'Shaughnessy's office is in Washington, District of Columbia (20005). Affiliated with Dinsmore & Shohl LLP.
What firm does Brian P O'Shaughnessy work at?
Brian P O'Shaughnessy is listed as affiliated with Dinsmore & Shohl LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Brian P O'Shaughnessy?
Brian P O'Shaughnessy's office phone (per the USPTO public roster) is 202-372-9115. 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.