Henry X. Xu
Patent agent, USPTO registration number 84058, status Active.
- Firm
- Howard & Howard
- Location
- Chicago, IL
- On the USPTO roster since
- October 2025
Henry X. Xu is a USPTO-registered patent agent (registration number 84058) at Howard & Howard, in Chicago, IL. The registration is active on the current USPTO roster, and Henry X. Xu has been listed on the roster since October 2025.
Howard & Howard has 3 registered patent practitioners on the roster (2 patent attorneys and 1 patent agent), so Henry X. Xu works alongside 2 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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