Ling-Siu W. Choi

Patent agent, USPTO registration number 84019, status Active.

Location

Bethesda, MD

On the USPTO roster since

October 2025

Ling-Siu W. Choi is a USPTO-registered patent agent (registration number 84019), in Bethesda, MD. The registration is active on the current USPTO roster, and Ling-Siu W. Choi has been listed on the roster since October 2025.

Bethesda, MD has 115 registered patent practitioners in all: 70 patent attorneys and 44 patent agents.

Other registered practitioners in Bethesda, MD

• Robert M. Lorence — Patent agent, Reg. No. 60274, Wellstat Biologics Corporation
• John C. Lowe — Patent agent, Reg. No. 53240, John Lowe, P.C.
• Ude Lu — Patent attorney, Reg. No. 68711, Pv IP PC
• Adriana S. Luedke — Patent attorney, Reg. No. 41956, Lockheed Martin Corpoation
• Stefan W. Maas — Patent agent, Reg. No. 61977, National Institutes of Health, NIGMS
• Scott Louis Mandir — Patent attorney, Reg. No. 67186, ONDA TECHNO Intl. Patent Attys.
• Shelby B. Mathis — Patent attorney, Reg. No. 69751, US Consumer Product Safety Commission
• Charlotte M. Mcguinness — Patent attorney, Reg. No. 52013, Natl Institutes Of Health

All patent attorneys and agents in Bethesda, MD

Patent firms in Maryland · Practitioners by state

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