Brian P. O'shaughnessy

Patent attorney, USPTO registration number 32747, status Active.

Firm

Dinsmore & Shohl LLP

Location

Washington, DC

On the USPTO roster since

before May 2006

Brian P. O'shaughnessy is a USPTO-registered patent attorney (registration number 32747) at Dinsmore & Shohl LLP, in Washington, DC. The registration is active on the current USPTO roster, and Brian P. O'shaughnessy has been listed on the roster since before May 2006.

Dinsmore & Shohl LLP has 71 registered patent practitioners on the roster (55 patent attorneys and 15 patent agents), so Brian P. O'shaughnessy works alongside 70 other registered practitioners there.

Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.

Other registered practitioners in Washington, DC

• Anthony L. Bacon — Patent agent, Reg. No. 82845
• Deborah Bae — Patent attorney, Reg. No. 75672, Armstrong Teasdale LLP
• Kevin G. Baer — Patent attorney, Reg. No. 48220, United States International Trade Commission
• Elizabeth M. Baez — Patent attorney, Reg. No. 78292, Cooley LLP
• Lihui Bai — Patent agent, Reg. No. 82700, Goodwin Procter, LLP.
• Camella C. Bailey — Patent agent, Reg. No. 48542
• Joseph M. Baillargeon — Patent attorney, Reg. No. 79685
• John M. Baird — Patent attorney, Reg. No. 57585, Duane Morris LLP

All patent attorneys and agents in Washington, DC

Patent firms in District of Columbia · Practitioners by state

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