Esther In

Patent agent, USPTO registration number 84389, status Active.

Location

Germantown, MD

On the USPTO roster since

April 2026

Esther In is a USPTO-registered patent agent (registration number 84389), in Germantown, MD. The registration is active on the current USPTO roster, and Esther In has been listed on the roster since April 2026.

Germantown, MD has 25 registered patent practitioners in all: 12 patent attorneys and 12 patent agents.

Other registered practitioners in Germantown, MD

• Xiangping Wang — Patent agent, Reg. No. 79437, The Pro Translation
• Darryl L. Webster — Patent attorney, Reg. No. 34276, Intrexon Corporation
• Dmitry Brant — Patent attorney, Reg. No. 59133, Viavi Solutions Inc.
• Melissa K. Carman — Patent agent, Reg. No. 44476, Texas Instruments
• Anuraj Chakraborty — Patent agent, Reg. No. 79592, Thoughts to Paper
• Jae Young Chon — Limited recognition, Reg. No. L1285, Sinorica LLC dba Thoughts to Paper
• Shuo C. Chou — Patent attorney, Reg. No. 70031, Sinorica LLC
• Albert T. Chou — Patent agent, Reg. No. 78861, Sinorica International Patent and Trademark

All patent attorneys and agents in Germantown, MD

Patent firms in Maryland · Practitioners by state

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