Matthew J. Duchemin, Partner

Representative Matters

  • Obtaining a successful jury verdict on behalf of a plastic injection mold manufacturer in patent/trade secrets litigation in the Northern District of Illinois.
  • Obtaining a favorable decision after a court trial in the Western District of Wisconsin on behalf of a wood treating company in a commercial contract dispute.
  • Obtaining jury verdicts of $44,126,822 and $5,443,484 for patent infringement on behalf of the leading manufacturer of telecommunications technologies for the deaf and hard-of-hearing against their primary competitor in the Western District of Wisconsin.
  • Obtaining a favorable resolution on behalf of a software manufacturer in a patent/trade secrets litigation against their primary competitor in the Western District of Wisconsin.
  • Obtaining a favorable resolution on behalf of a sheet piling company in a business dispute against former employees, their new company and investors, for breach of contract, breach of fiduciary duty, tortious interference with a business relationship, and misappropriation of trade secrets.
  • Obtaining favorable resolution on behalf of a manufacturer of hydraulic cylinders in copyright/trade secrets litigation in the Northern District of Illinois.
  • Obtaining a favorable resolution on behalf of a medical clinic in employment litigation brought by former physician. Physician voluntarily dismissed with prejudice for no payment after the first day of a jury trial in the Western District of Wisconsin.
  • Obtaining successful jury verdict in a software patent case in the Western District of Wisconsin on behalf of the leading marketer, distributor and technology innovator of stored-value gift and prepaid products.
  • Obtaining a favorable resolution on behalf of a consumer food products company in a patent dispute against many of the world's largest food manufacturers in the Northern District of Illinois before Judge Richard A. Posner, sitting by designation.
  • Representing healthcare software manufacturer in patent infringement litigation in the Eastern District of Texas and in oppositions before the TTAB.
  • Representing toy manufacturer in patent infringement litigation in the District of Utah.
  • Representing the world's largest insurance broker in broker malpractice litigation in state and federal courts throughout the country.
  • Arguing before the Seventh Circuit Court of Appeals in a commercial contract dispute.
  • Arguing before the Supreme Court of Wisconsin in an insurance regulatory dispute.