Charles Francis O'brien

Patent attorney, USPTO registration number 47314, status Active.

Firm

Cantor Colburn LLP

Location

Hartford, CT

On the USPTO roster since

before May 2006

Charles Francis O'brien is a USPTO-registered patent attorney (registration number 47314) at Cantor Colburn LLP, in Hartford, CT. The registration is active on the current USPTO roster, and Charles Francis O'brien has been listed on the roster since before May 2006.

Cantor Colburn LLP has 82 registered patent practitioners on the roster (61 patent attorneys and 21 patent agents), so Charles Francis O'brien works alongside 81 other registered practitioners there.

Hartford, CT has 135 registered patent practitioners in all: 95 patent attorneys and 17 patent agents.

Other registered practitioners in Hartford, CT

• Robert Alexander Ellis Facey — Patent attorney, Reg. No. 73364, Alix Yale & Ristas LLP
• Alfredo G. Fernandez — Patent attorney, Reg. No. 69413
• Emily M. Ferriter Russo — Patent attorney, Reg. No. 80599, Day Pitney
• Jacob Tyler Gardner — Limited recognition, Reg. No. 902052, University Of Connecticut School Of Law
• Linda Gebauer — Patent attorney, Reg. No. 38718, Uconn Law School IP Law Clinic
• Mark D. Giarratana — Patent attorney, Reg. No. 32615, McCarter & English LLP
• Wm Tucker Griffith — Patent attorney, Reg. No. 44726, McCormick Paulding & Huber LLP
• Wayne R. Grohs — Patent attorney, Reg. No. 48945, McCarter & English, LLP 185 Asylum Street

All patent attorneys and agents in Hartford, CT

Patent firms in Connecticut · Practitioners by state

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