Susan A. O'brien

Patent attorney, USPTO registration number 70700, status Active.

Firm

Jenner & Block ,LLP

Location

Chicago, IL

On the USPTO roster since

November 2014

Susan A. O'brien is a USPTO-registered patent attorney (registration number 70700) at Jenner & Block ,LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Susan A. O'brien has been listed on the roster since November 2014.

Jenner & Block ,LLP has 10 registered patent practitioners on the roster (10 patent attorneys), so Susan A. O'brien works alongside 9 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

• Peter W. Chuang — Patent agent, Reg. No. 67381
• Gregory R. Churney — Patent agent, Reg. No. 78923, Quarles & Brady LLP
• Katherine I. Chwistek — Patent agent, Reg. No. 83076, Hanley, Flight & Zimmerman, LLC
• David L. Ciesielski — Patent attorney, Reg. No. 57432, McDonnell Boehnen Hulbert & Berghoff LLP
• Magdalena O. Cilella — Patent agent, Reg. No. 56619, Brinks Gilson & Lione
• Sorinel Cimpoes — Patent attorney, Reg. No. 48311, Nixon Peabody LLP
• Nicholas H. Ciulla — Patent attorney, Reg. No. 78409, Mayer Brown LLP
• Dorien J. Clark — Patent attorney, Reg. No. 80527, McAndrews Held & Malloy LTD

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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