Yichen Cao

Patent attorney, USPTO registration number 73489, status Active.

Firm

Arch & Lake LLP

Location

Chicago, IL

On the USPTO roster since

January 2016

Yichen Cao is a USPTO-registered patent attorney (registration number 73489) at Arch & Lake LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Yichen Cao has been listed on the roster since January 2016.

Arch & Lake LLP has 6 registered patent practitioners on the roster (3 patent attorneys), so Yichen Cao works alongside 5 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

• Joshua C. Devorkin — Patent agent, Reg. No. 82864, Fitch Even Tabin & Flannery LLP
• John C. Dewar — Patent agent, Reg. No. 84133, McAndrews Held & Malloy
• Muskan K. Dhatt — Limited recognition, Reg. No. 902819, DePaul University College of Law
• Mary E. Dicig — Patent attorney, Reg. No. 40589, Schwartz, Cooper, Greenburger & Krauss
• Richard Eugene Dick — Patent attorney, Reg. No. 27778, McAndrews Held & Malloy LTD
• Matthew S. Dicke — Patent attorney, Reg. No. 58819, K&L Gates LLP
• Chad A. Diehl — Patent attorney, Reg. No. 64763, Mayer Brown LLP
• Azuka C. Dike — Patent attorney, Reg. No. 68497, Banner & Witcoff LTD

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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