Yean-Hsi Chang

Patent agent, USPTO registration number 61463, status Active.

Location

North Potomac, MD

On the USPTO roster since

November 2007

Yean-Hsi Chang is a USPTO-registered patent agent (registration number 61463), in North Potomac, MD. The registration is active on the current USPTO roster, and Yean-Hsi Chang has been listed on the roster since November 2007.

North Potomac, MD has 15 registered patent practitioners in all: 9 patent attorneys and 6 patent agents.

Other registered practitioners in North Potomac, MD

• Lavanya S. Besch — Patent attorney, Reg. No. 38277, Department of Homeland Security
• Douglas A. Hosack — Patent attorney, Reg. No. 73115, Abacia Patent Law and Analytics
• Kelly Lee Kasha — Patent attorney, Reg. No. 47743, Kasha Law LLC
• John R. Kasha — Patent attorney, Reg. No. 53100, Kasha Law LLC
• Qiang Li — Patent agent, Reg. No. 68249, Fideli Law PLLC
• Christian Ottesen — Patent attorney, Reg. No. 64408, Walter Ottesen a Proffesional Association Registered Patent Attorneys

All patent attorneys and agents in North Potomac, MD

Patent firms in Maryland · Practitioners by state

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