Matthew Freimuth

Matthew is a member of the American Bar Association (Antitrust Section) and the New York State Bar Association.

• “Federal Circuit Court Orders New Damages Trial Based on Flawed Expert Analysis,” Intellectual Property & Technology Law Journal (July-August 2025)
• “Federal Circuit Orders New Damages Trial Based On Flawed Expert Analysis,” Willkie Client Memo (May 28, 2025)
• “Recent Suits Show Antitrust Agencies' Focus On HSR Review,” Law360 (January 27, 2025)
• “Antitrust Regulators Continue Focus on HSR Compliance and Private Equity,” Willkie Client Memo (January 16, 2025)
• “U.S. Antitrust Agencies Issue Final Merger Guidelines Confirming Aggressive Approach to Enforcement,” Willkie Client Memo (January 3, 2024)
• “U.S. Antitrust Agencies Issue Draft Merger Guidelines Formalizing Their Aggressive Approach to Enforcement,” Willkie Client Memo (July 21, 2023)
• “FTC and DOJ Re-Examine their Analysis of Pharmaceutical Mergers,” Willkie Client Memo (June 5, 2023)
• “U.S. Supreme Court Highlights Enablement and the Full Scope of Invention in Amgen Inc. v. Sanofi,” Willkie Client Memo (May 19, 2023)

Intellectual Property Disputes

• Representing a multinational pharmaceutical and biotechnology corporation in several cases regarding allegations of patent infringement concerning its COVID-19 vaccine.
• Representing LaJolla Pharmaceuticals in litigation asserting its patent rights related to a drug treating septic and distributive shock.
• Representing a global food proceeding equipment provider in numerous Federal Circuit appeals arising from patent litigation against Weber, Inc.
• Represented Pfizer/Hospira in two separate patent infringement suits related to epinephrine injectable products, including a federal trial court victory and successful appeal before the Federal Circuit.
• Defended Insulet Corporation in patent infringement litigation related to its Omnipod disposable insulin pump system.

Complex Commercial Matters

• Represented Relativity Media in litigation against Netflix related to content licensing.
• Represented the Independent board members of First Energy Solutions in connection with restructuring efforts.
• Represented CORE Media Group Inc., an entertainment content company that owns, produces and develops the American Idol and So You Think You Can Dance television series, and its affiliated debtors in its chapter 11 bankruptcy cases.
• Represented SPSO, an investment vehicle formed by Mr. Charles Ergen, in LightSquared adversary proceeding and plan confirmation dispute over approximately $1 billion investment.
• Represented clients in a variety of other commercial litigation matters, including: representation of a loan servicer in two lender liability actions; representation of a state agency in action for fraud, conversion and breach of fiduciary duties against directors and officers of an insolvent insurance company; and representation of an audit committee of a software company under investigation for alleged accounting and reporting irregularities.
• Defended MasterCard against price-fixing, tying, and exclusive dealing class action claims and related state and federal regulatory proceedings.
• Represented Silver Lake Management in defense against antitrust class action challenging alleging joint bidding for acquisition of public companies, and related Department of Justice inquiry.
• Conducted investigation on behalf of public company board in connection with whistleblower allegations of fraud, nepotism and violations of corporate gifting policies by certain employees.
• Conducted investigation on behalf of multi-national insurance company in connection with alleged scheme to submit fraudulent claims.
• Represented public financial services company in connection with SEC investigation concerning alleged violations of the Advisers Act and multi-forum follow-on civil litigation.
• Represented independent directors of investment adviser in connection with an internal investigation related to alleged violations of the Advisers Act.
• Conducted an investigation on behalf of investment adviser regarding allegations of misappropriation of confidential information and corporate assets by principal.