David Yu-Tong Chang

Patent attorney, USPTO registration number 51545, status Active.

Location

Stillwater, MN

On the USPTO roster since

before May 2006

David Yu-Tong Chang is a USPTO-registered patent attorney (registration number 51545), in Stillwater, MN. The registration is active on the current USPTO roster, and David Yu-Tong Chang has been listed on the roster since before May 2006.

Stillwater, MN has 26 registered patent practitioners in all: 21 patent attorneys and 5 patent agents.

Other registered practitioners in Stillwater, MN

• Terryl Kent Qualey — Patent attorney, Reg. No. 25148, Qualey Law Office LLC
• Lori P. Sarageno — Patent attorney, Reg. No. 52862, Kagan Binder PLLC
• Daniel C. Schulte — Patent attorney, Reg. No. 40160, Kagan Binder PLLC
• Miriam G. Simmons — Patent agent, Reg. No. 34727, Popovich Wiles & O'Connell, PA
• Nathaniel J. Wallock — Patent agent, Reg. No. 64827, PureTech Health
• Elizabeth A. Warner — Patent agent, Reg. No. 50299, Kagan Binder PLLC
• Paul L. Weaver — Patent agent, Reg. No. 48640, Kagan Binder PLLC
• Kari H. Bartingale — Patent attorney, Reg. No. 35183, Shumaker & Sieffert, P.A.

All patent attorneys and agents in Stillwater, MN

Patent firms in Minnesota · Practitioners by state

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