Charlie’s practice covers all aspects of patent, trademark, copyright, and design law, with a particular focus on U.S. and international patent prosecution and enforcement, transactional intellectual property diligence and licensing, patent invalidity and non-infringement opinions, and competitive analysis.

Charlie represents a variety of domestic and international clients in the electrical, mechanical, and elctromechanical arts. He has particular experience in the following fields:

  • Mobile device hardware and software, wireless communication technologies (e.g. 5G), and related equipment
  • Healthcare and medical devices, including surgical instruments, tissue processing equipment, wearables, and medical pumps
  • Automotive vehicles, including combustion, hybrid, and electric motors; transmissions; batteries; and connected-vehicle technologies
  • Children’s products, toys, furniture, and safety equipment
  • Consumer products and appliances
  • Semiconductors and semiconductor manufacturing equipment
  • Aircraft engines, cabin fittings, avionics systems, and composite materials
  • Visual displays, optics, cameras, and biometric sensors
  • Textile manufacturing, protective fabrics and safety equipment
  • Superconductors, photovoltaics, welding products, and metallurgical manufacturing

Prior to joining Hodgson Russ, Charlie worked in the Federal Communications Commission’s Office of Strategic Planning and Policy Analysis and the U.S. District Court for the District of New Hampshire. Before attending law school, he worked as an engineer in IBM’s 300mm semiconductor fabrication facility and an engineering and environmental consulting firm.


Clarkson University, B.S., with distinction

Franklin Pierce Law Center, J.D., cum laude

George Washington University Law School, L.L.M., with highest honors


  • New York
  • Massachusetts
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office
  • U.S. District Court, Western District of New York

Representative Work

Charlie has prevailed in numerous appeals before the Patent Trial and Appeal Board; drafted patentability, non-infringement, and freedom-to-operate opinions; conducted studies of competitor’s patents and provided design-around advice; and is routinely involved in due diligence investigations for acquisitions and divestitures of IP portfolios.


  • Listed, Upstate New York Super Lawyers Rising Stars, 2017 - 2019

At Franklin Pierce Law Center, Charlie competed in the Giles Sutherland Rich Competition, coached the Franklin Pierce Moot Court patent team, and was a member of the Franklin Pierce Moot Court Board.

News & Insights


  • Secretary, Friends of Reinstein Woods board of directors
  • Pro bono attorney, Buffalo Housing Court Attorney-of-the-Morning Program


  • American Intellectual Property Law Association
  • Bar Association of Erie County

Multimedia & Podcasts

  • Another Option to Protect Spares: Design Patents for Consumable Parts

    The spares business is an essential revenue stream for semiconductor capital equipment manufacturers. While these components typically are not easy to protect with a utility patent application, many of them are ideal for design patent protection. Nathaniel Lucek and Elizabeth Morris were joined by Charles Rauch, head of the design patent practice at Hodgson Russ LLP, to talk about the benefits of design patent protection. Charlie explained how design patents can be used to protect components like graphite shields or end effector components. Charlie also explained how design patents are enforced against third party manufacturers.

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Charles S. Rauch / News & Insights