Matthew P. Diehr

Litigation

• As first-chair trial counsel, obtained sizable jury verdict for compensatory damages in U.S. District Court, Eastern District of Missouri. (Williams v. Tate, et al., No. 4:17-cv-1282-JCH, U.S. District Court, Eastern District of Missouri)
• Obtained one of the first ever permanent injunctions under Defend Trade Secret Acts (DTSA) in a high-profile corporate espionage and deceptive trade secrets case. (Monsanto Company et al v. Chen, No. 4:16-cv-00876-CDP, U.S. District Court, Eastern District of Missouri)
• Obtained a preliminary injunction from the District Court, Eastern District of California, against enforcement of California's Proposition 65 warning requirement as to the herbicide glyphosate on First Amendment grounds, because the cancer warning would be misleading and factually controversial as to glyphosate. This currently stands as the only time a federal court has enjoined a Proposition 65 warning requirement on First Amendment grounds. The case remains pending before the district court. (National Association of Wheat Growers v. Zeise, 309 F. Supp. 3d 842, 849, E.D. Cal. 2018)
• As first-chair trial counsel, obtained jury verdict for compensatory and punitive damages in U.S. District Court, Southern District of Illinois. (Ford v. Wexford Health Source, et al., No. 3:11-cv-992-PMF, U.S. District Court, Southern District of Illinois)
• Obtained motion to dismiss in the representation of a healthcare facility in a qui tam matter before the U.S. District Court, District of Colorado. Whistleblowers had alleged damages of approximately $33 million, but our client instead received a judgment for an award of attorneys' fees and litigation costs against whistleblowers. Successfully defended the district court decision on appeal. (United States ex rel. Hanlon v. Columbine Health Systems, No. 1:13-cv-826-REB-KLM, U.S. District Court, District of Colorado)
• Successfully petitioned the Eighth Circuit Court of Appeals for a rare writ of mandamus compelling the U.S. District Court to recognize our client as victim of a Ponzi scheme, allowing client to receive restitution as the victim of a federal financial crime. (In re Michael Ursch, No. 15-1859, U.S. Court of Appeals, Eighth Circuit)
• Achieved favorable results in U.S. District Court, Western District of Texas, for executive at medical device manufacturing company against allegations of $500 million fraud scheme.

Investigations

• Conducted numerous internal investigations for publicly traded and privately held companies in a variety of industries, including sustainable agriculture, healthcare, manufacturing, defense contracting and religious organizations in the areas of healthcare fraud, employee misconduct, data breach and environmental violations, among others.
• Member of team that successfully represented employees of a Major League Baseball team in a data breach, corporate espionage matter.
• Counseled clients applying for and receiving corporate leniency from DOJ Antitrust.
• Successfully represented a high-ranking executive in the telecommunications industry accused of conspiracies to commit wire fraud, mail fraud, and money laundering. United States vs. Pajaczkowski, S.D.N.Y., 15-cr-606. Despite sentencing guidelines suggesting 20-25 years of incarceration, the client was sentenced only to time served.