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William D. Belanger

William D. Belanger is a partner in the Boston office of Pepper Hamilton LLP. He serves as co-chair of the firm’s Intellectual Property Department.

Mr. Belanger concentrates his practice in patent litigation, licensing and client counseling on intellectual property matters. He has extensive patent litigation experience and has successfully litigated patent, trademark and other intellectual property cases in federal courts and before the U.S. International Trade Commission. Mr. Belanger has litigated cases involving a wide range of technologies, including digital cameras, cellular phones, embedded microprocessors, e-commerce, web server, subsea equipment, telecommunications and networking, computer software, automotive components, laser and ink jet printers, memory devices and fiber optics. He also has negotiated many patent licenses and other agreements involving intellectual property.

Mr. Belanger’s engagements include representing:

  • a digital camera software supplier in enforcing digital imaging patents in multiple cases before the U.S. International Trade Commission and in Federal District Court
  • an embedded processor technology company in enforcing power management and memory access patents in cases before the U.S. International Trade Commission and in Federal District Court
  • an e-commerce software and service provider in defending multiple cases involving web server and other ecommerce technology in multiple cases in Federal District Court
  • a health care equipment manufacturer in enforcing patents on nitrile surgical gloves before the U.S. International Trade Commission and in Federal District Court
  • an oilfield equipment manufacturer in enforcing and defending multiple patent cases involving subsea oil well technology in Federal District Court as well as in the UK and EPO.
Mr. Belanger is co-chair of the Intellectual Property Litigation Committee of the Boston Bar Association. He was selected for inclusion on the 2012-13 Massachusetts Super Lawyers list.

Mr. Belanger is a member of the bars of Massachusetts, the District of Columbia and Virginia, and is admitted to practice before the U.S. Patent and Trademark Office, as well as several federal district and circuit courts. In addition to working in private practice, Mr. Belanger served with the U.S. International Trade Commission as attorney advisor to Judge Paul J. Luckern.

B.S. 1990, Villanova University (Mechanical Engineering)
J.D. 1994, George Mason University School of Law

Bar Admissions
Admitted to practice in Massachusetts, Virginia and the District of Columbia, and before the U.S. Patent and Trademark Office

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