William C. Belanger

William C. Belanger: Attorney with Procopio, Cory, Hargreaves & Savitch LLP AV stamp icon
Attorney Awards


Professional Summary

William C. Belanger represents both private and publicly held companies in acquisitions and divestitures and a wide range of technology transactions. William’s practice focuses on mergers and acquisitions, technology and intellectual property licensing, and general corporate, securities and commercial matters. He has extensive experience in international and high-technology transactions including within the e-commerce, software, semiconductor, telecommunications, battery, manufacturing, supply, distribution, and sports equipment industries. William is also co-chair of Procopio’s Licensing Practice Group and has extensive knowledge of the legal and business issues inherent in licensing transactions.


•Martindale-Hubbell AV Preeminent Rating
•AmLaw Top Rated Lawyer in Intellectual Property Law, 2018
•2018 Corporate/Strategic Deal of the Year winner, M&A Advisor Awards
•“Top Lawyers,” San Diego Magazine, 2014-2018

News Coverage

•Dan Heching, Gina Kim and Melanie Brisbon. “Exactech acquires XpandOrtho, with help from Procopio,” San Diego Daily Transcript, March 19, 2019.

Areas of Practice (7)

  • Corporate and Securities
  • Intellectual Property
  • Licensing
  • Mergers & Acquisitions and Strategic Joint Ventures
  • Technology Transactions
  • Labor and Employment Law
  • Trademarks and Copyrights

Education & Credentials

Contact Information:
619.515.3245  Phone
619.744.5445  Fax
University Attended:
California Polytechnic State University, San Luis Obispo, B.S., Business Administration, summa cum laude, 1988; California Polytechnic State University, San Luis Obispo, M.B.A., ranked number one in his class, 1999
Law School Attended:
Loyola Law School Los Angeles, J.D., magna cum laude, 1993
Year of First Admission:
1994, California


•Life Lounge San Diego - Founding Member
•6 Degrees Elite - Member
•University Club - Member

Reported Cases:
Representative Matters: Represented NASDAQ-listed corporation in sale of semiconductor test interface board business and related assets to affiliate of Chinese publicly-traded corporation involving offices in the U.S., United Kingdom, Germany, China, Singapore, Malaysia and Philippines.; Negotiation and preparation of Software License Agreement between wireless embedded software technology company and publicly-traded multinational software technology corporation.; Represented private health care company in acquisition of health care technology assets from NYSE-listed corporation.; Represented private automated test equipment technology company operating in semiconductor industry in sale to private acquirer backed by global investment firm, involving offices in the U.S., United Kingdom, Malta, Italy, France, Germany, Singapore, Taiwan, Philippines, Malaysia and Thailand.; Represented private health care anti-fraud, waste and abuse software company in merger with NYSE-listed corporation.; Represented private biomechanical software modeling company in merger with NYSE-listed corporation.; Represented public Singapore company in connection with its acquisition of target public company international assets, including intellectual property assets, out of bankruptcy.; Represented private technology company in sale and partnering venture with public investment bank, involving offices in the U.S., United Kingdom, Singapore, Malaysia and Thailand.; Represented private smart battery software company in merger with NASDAQ-listed corporation.; Represented public Singapore company in its acquisition of tangible and intellectual property assets, including numerous international patents and trademarks, from public Delaware corporation.; Represented Canadian software company in its acquisition of intellectual property assets, including software, copyrights and international trademarks, from California corporation and New Zealand corporation.; Represented public company in numerous stock and asset acquisitions.; Represented public and private companies in numerous licensing and commercial transactions.; Assisted privately-held medical corporation with merger into NYSE-listed corporation.; Negotiation and preparation of Technology License Agreement for high-tech OEM in connection with acquisition and license-back of patented computerized technology within specified rebreather fields of use.; Negotiation and preparation of Software License Agreement for legislative software technology company for use with legislative branches and regulatory agencies of government.; Preparation of Exclusive Patent License Agreement for high-tech OEM in connection with the worldwide production and sale of co-marketed products within sports industry.; Negotiation and preparation of Mutual OEM International Supply and Licensing Agreement between multinational corporations.; Preparation of numerous agreements for website development, terms of use, access, privacy policies, services, licensing and electronic commerce.

Peer Reviews

San Diego, California

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