Brian O'Shaughnessy - Washington General Practice Lawyer Reviews & Ratings
About Brian O'Shaughnessy
Brian O'Shaughnessy is a General Practice attorney based in Washington, District of Columbia. The attorney practices with Dinsmore & Shohl LLP. Services are available throughout District Of Columbia County.
Office Location
Brian O'Shaughnessy is located at 801 Pennsylvania Ave NW Ste 610, Washington, District of Columbia 20004.
Legal Services in Washington, District of Columbia
Residents seeking legal representation in Washington often compare experience, client reviews, practice areas, and location before selecting an attorney. This profile provides information about Brian O'Shaughnessy, including available ratings, reviews, practice areas, and service locations.
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USPTO Patent Registration
Brian O'Shaughnessy is registered to practice in patent matters before the U.S. Patent and Trademark Office as a patent attorney, registration number 32747. Registered practitioners can prepare, file and prosecute patent applications for clients. To register, a lawyer must show scientific or technical training and pass the USPTO's registration exam (or qualify through USPTO patent examining experience).
Address on the USPTO roster: Dinsmore & Shohl LLP, Washington, DC
From the USPTO's roster of active patent practitioners, checked November 2026 and matched to this profile by name, city and firm. Confirm with registration number 32747 on the USPTO's practitioner search. Registered patent attorneys in District of Columbia. Lawyers can report a wrong match to contactus@lawbamba.com.
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Quick Summary Information for lawyer Brian O'Shaughnessy on Lawbamba
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General Practice Attorney in ZIP 20004 (29 lawyers)
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Other Lawyers at Dinsmore & Shohl LLP
One other District of Columbia lawyer on Lawbamba lists the same firm or office:
- David Lavan · Washington · Corporate & Incorporation
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