John M. Viola

Patent agent, USPTO registration number 83591, status Active.

Location

Wayne, PA

On the USPTO roster since

May 2025

John M. Viola is a USPTO-registered patent agent (registration number 83591), in Wayne, PA. The registration is active on the current USPTO roster, and John M. Viola has been listed on the roster since May 2025.

Wayne, PA has 36 registered patent practitioners in all: 18 patent attorneys and 18 patent agents.

Other registered practitioners in Wayne, PA

• Dominika N. Lastovickova Teator — Patent agent, Reg. No. 83444, Riverside Law LLP
• Joe-Yee Mak — Patent agent, Reg. No. 81880, Riverside Law LLP
• Gary D. Mangels — Patent attorney, Reg. No. 55424, Johnson Matthey Inc.
• Shanay M. Mccastle — Patent attorney, Reg. No. 69404, Johnson Matthey Inc.
• Sharon B. Mccullen — Patent attorney, Reg. No. 54303, Morgan Lewis & Bockius LLP
• Steven Howard Meyer — Patent attorney, Reg. No. 37189, Steven H. Meyer, Esq.
• Kenneth N. Nigon — Patent agent, Reg. No. 31549, Schwegman Lundberg & Woessner P.A.
• Philip D. Nigon — Patent attorney, Reg. No. 76620, Riverside Law

All patent attorneys and agents in Wayne, PA

Patent firms in Pennsylvania · Practitioners by state

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