Phillip J. Schieffer

Patent attorney, USPTO registration number 80903, status Active.

Location

Northbrook, IL

On the USPTO roster since

February 2024

Phillip J. Schieffer is a USPTO-registered patent attorney (registration number 80903), in Northbrook, IL. The registration is active on the current USPTO roster, and Phillip J. Schieffer has been listed on the roster since February 2024.

Northbrook, IL has 28 registered patent practitioners in all: 21 patent attorneys and 7 patent agents.

Other registered practitioners in Northbrook, IL

• Boris Parad — Patent attorney, Reg. No. 29965, Parad Law Offices, P.C.
• Gregory Thomas Pletta — Patent attorney, Reg. No. 47864, Nanosphere, Inc.
• Pauls E. Reinfelds — Patent attorney, Reg. No. 64539, Marathon Pharmaceuticals, LLC
• Roy B. Rhee — Patent agent, Reg. No. 57303, Roy B. Rhee
• Marina N. Saito — Patent attorney, Reg. No. 42121, Miller Canfield Paddock and Stone PLC
• Chika Sakamoto Seidel — Patent attorney, Reg. No. 65400, Astellas US LLC
• Donald J. Silvert — Patent attorney, Reg. No. 37552, Silvert IP Law, PC
• Sally W. Stemwedel — Patent agent, Reg. No. 43161, Stemwedel & Stemwedel

All patent attorneys and agents in Northbrook, IL

Patent firms in Illinois · Practitioners by state

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