Brendan D. O'callaghan

Patent attorney, USPTO registration number 80105, status Active.

Firm
Baker & Mckenzie LLP
Location
Washington, DC
On the USPTO roster since
November 2021

Brendan D. O'callaghan is a USPTO-registered patent attorney (registration number 80105) at Baker & Mckenzie LLP, in Washington, DC. The registration is active on the current USPTO roster, and Brendan D. O'callaghan has been listed on the roster since November 2021.

Baker & Mckenzie LLP has 18 registered patent practitioners on the roster (15 patent attorneys and 3 patent agents), so Brendan D. O'callaghan works alongside 17 other registered practitioners there.

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

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