Margaret C. Harrington

Patent agent, USPTO registration number 83718, status Active.

Firm

Cooley LLP

Location

Chicago, IL

On the USPTO roster since

July 2025

Margaret C. Harrington is a USPTO-registered patent agent (registration number 83718) at Cooley LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Margaret C. Harrington has been listed on the roster since July 2025.

Cooley LLP has 142 registered patent practitioners on the roster (71 patent attorneys and 70 patent agents), so Margaret C. Harrington works alongside 141 other registered practitioners there.

Chicago, IL has 1,896 registered patent practitioners in all: 1,537 patent attorneys and 303 patent agents.

Other registered practitioners in Chicago, IL

• Colleen A. Brown — Patent attorney, Reg. No. 51502
• Marshall Joel Brown — Patent attorney, Reg. No. 44566, Foley & Lardner, LLP
• Samuel A. Brown — Patent attorney, Reg. No. 70191, Husch Blackwell LLP
• Eric L. Broxterman — Patent attorney, Reg. No. 54782, Fitch Even Tabin & Flannery LLP
• Jerome S. Brozek — Patent attorney, Reg. No. 46344, Jerome S. Brozek
• Daniel T. Bruce — Patent attorney, Reg. No. 76292
• Eric M. Brusca — Patent attorney, Reg. No. 52664, Marshall ,Gerstein & Borun LLP
• Kyle K. Bryan — Patent attorney, Reg. No. 61992, Lempia Summerfield Katz LLC

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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