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Lauren M. Rosenberg

Partner, Litigation

Lauren M. Rosenberg focuses her practice on general commercial, antitrust and securities matters. Ms. Rosenberg has represented a wide range of clients, including Akorn, Colgate‑Palmolive, First Solar, Juno Therapeutics, Morgan Stanley, Mylan, Minerals Technologies, Sabre and Time Inc.

Some of Ms. Rosenberg’s representative matters include:

  • Representing Morgan Stanley in individual and class action lawsuits in New York federal court alleging collusion among banks to restrain competition by preventing the development of anonymous exchange trading of various complex financial products, including credit default swaps, interest rate swaps and stock loans.
  • Representing First Solar in a securities class action in Arizona federal court and related derivative actions alleging that First Solar and several of its officers and executives misrepresented the company’s financial state, concealed material facts regarding defective solar modules and committed accounting violations, all to inflate First Solar’s stock price.
  • Represented Minerals Technologies’ interests in the bankruptcy estate of Novinda Corporation. Cravath’s representation includes defending MTI against allegations of fraud, breach of fiduciary duty and breach of contract in an arbitration brought by the estate.
  • Represented Colgate‑Palmolive in product liability lawsuits concerning the company’s talcum powder products. She represented the company in two jury trials in California state court, one of which resulted in a unanimous jury verdict in Colgate‑Palmolive’s favor after a three‑month jury trial, while the other settled on favorable terms.
  •  Represented Sabre, a leading travel technology company, in its successful appeal to the Second Circuit of an adverse jury verdict in an antitrust lawsuit brought by US Airways concerning Sabre’s contract terms.
  • Represented Mylan Laboratories in consolidated antitrust litigation filed in Pennsylvania federal court regarding alleged reverse‑payment settlement agreements concerning the narcolepsy drug modafinil.
  • Represented Akorn in litigation in the Delaware Court of Chancery regarding Fresenius’ termination of the parties’ $4.3 billion merger agreement. Following expedited proceedings, the case culminated in a one‑week bench trial and subsequent expedited appeal. It is one of a handful of cases regarding termination rights arising from material adverse event (“MAE”) provisions in merger agreements to be tried to a decision, and the first such appeal decided by the Supreme Court of Delaware.
  • Represented Juno Therapeutics and certain of its executives in a securities class action suit in Washington federal court alleging that defendants failed to disclose side effects associated with an immunotherapy drug, resulting in a stock price drop when the clinical trial was halted.
  • Represented Time Inc. in an antitrust action brought by a wholesaler against magazine publishers and distributors alleging a group boycott and seeking over $1 billion in damages. The Southern District of New York granted summary judgment to defendants, and the decision was affirmed on appeal in the Second Circuit.
  • Represented Akorn and its executive officers in a consolidated securities class action lawsuit and a consolidated derivative action in Illinois federal court seeking damages for alleged misrepresentations related to the company’s acquisitions of Hi‑Tech Pharmacal and VersaPharm. She also represented Akorn in related shareholder derivative actions and an SEC investigation.
  • Represented Thai Airways in class action antitrust lawsuits filed in California and New York federal courts and in the Second Circuit alleging a price‑fixing conspiracy of passenger airfares among airlines.

Ms. Rosenberg was born in Miami, Florida. She received a B.A. summa cum laude from the University of Pennsylvania in 2008, where she was elected to Phi Beta Kappa, and a J.D. from Columbia Law School in 2011, where she was a Harlan Fiske Stone Scholar and the Managing Editor of the Journal of Transnational Law.

Ms. Rosenberg joined Cravath in 2011. In 2014, she served as a law clerk to Hon. Lewis A. Kaplan of the U.S. District Court for the Southern District of New York. Ms. Rosenberg rejoined Cravath in 2015 and was elected a partner in 2019.

Ms. Rosenberg is admitted only in New York.

+1 (212) 474-1159
+1 (212) 474-3700