Christopher Addonizio is a registered patent agent.
Brian Ainsworth is a partner of the firm. Brian’s practice emphasizes counseling, U.S. and foreign patent prosecution, opinion work, product development, product clearance, and developing and managing global intellectual property portfolios.
Jason’s current practice is focused on the procurement of patents in the mechanical, chemical, biochemical, and material science arts. Further, Jason provides general intellectual property counseling to large foreign and domestic business concerns.
Terry Callaghan’s focus is in the procurement, licensing and enforcement of patents for mechanical, optical, electrical and computer hardware and software-related inventions, as well as the registration and enforcement of trademarks.
Brian counsels clients primarily in the mechanical, medical, and automotive technology areas and has extensive experience managing large and complex intellectual property portfolios for cutting-edge, technology driven organizations including privately held multi-national corporations and Fortune 500 companies.
Russell Franks joined Price Heneveld in 2022 as a patent attorney. Prior to joining, he accumulated eight years of experience in an Am Law 200 firm, working initially three years as a clerk through law school and subsequently five years as an attorney.
Matt Gipson is a partner of the firm. His practice focus is in the procurement, licensing and enforcement of patents for chemical, bio-tech and mechanical inventions; patent, trademark, trade secret, and copyright litigation; and registration and TTAB proceedings concerning trademarks.
Kevin Grzelak’s practice includes all areas of intellectual property including patent, trademark and copyright matters.
Michael Hages is a registered patent attorney and works with clients on a comprehensive range of intellectual property services.
Daniel Hoovler focuses his practice on client counseling and patent prosecution from early stages of development to portfolio management of established technologies.
Jeff Kapteyn has over 20 years of legal experience, and counsels small businesses, start-ups, universities, government agencies, and multinational corporate clients on all aspects of patent and trademark matters.
Collin Kerkstra is an associate of our firm and is registered to practice law within the state of Michigan and before the United States Patent and Trademark Office.
Thomas Lenters is an associate with the firm and is licensed to practice law in Michigan.
Alyssa Sherry joined Price Heneveld as an associate in 2025.
Caitlyn is a partner of the firm focusing on patent and trademark matters.
Conner Stapley joined Price Heneveld as a student extern and law clerk in 2023 and was admitted to the State Bar of Michigan in 2025
Matthew Stark is a partner of the firm. While working as an architect, he discovered the legal side of planning, designing, and constructing buildings and developed a passion for the nuances of the legal process.
Steven Underwood is an intellectual property law litigator who, for over two decades, has led or participated in more than seventy lawsuits in federal courts around the country involving patents, trademarks, trade dress, and copyrights, including several successful appearances before the U.S. Court of Appeals for the Federal Circuit.
Alannah joined Price Heneveld in 2018 with three years of previous patent experience.
Aaron Wong is a partner of the firm focusing on trademark and patent matters for a variety of clients.