Honor Costello
Partner
Overview
Honor Costello is a partner in Crowell & Moring’s New York office. Her practice focuses on complex civil litigation, including class actions and multidistrict litigation (MDL) proceedings. She represents clients in antitrust, product liability, mass tort, environmental, and commercial litigation in state and federal court. She has extensive experience representing clients in the health care, energy, manufacturing, and chemical industries.
Career & Education
- Wellesley College, B.A., 2003
- Cornell Law School, J.D., 2011
- New York
- New Jersey
- U.S. District Court for the Southern District of New York
- U.S. District Court for the Eastern District of New York
- U.S. District Court for the District of New Jersey
- U.S. District Court for the Northern District of Illinois
- U.S. District Court for the Eastern District of Michigan
- U.S. Court of Appeals for the Third Circuit
- U.S. Court of Appeals for the Fourth Circuit
- U.S. Court of Appeals for the Seventh Circuit
- U.S. Court of Appeals for the Eleventh Circuit
- U.S. Supreme Court
Representative Matters
- Defending health insurance companies in nationwide and statewide class actions asserting antitrust claims.
- Representing health insurance company in putative nationwide class action alleging RICO conspiracy related to alleged use of AI algorithms to deny Medicare claims.
- Representing major automobile manufacturer in nationwide class action alleging vehicle performance defects, breach of warranty, fraud, and consumer protection claims.
- Defending health insurers in Employee Retirement Income Security Act (ERISA) litigation.
- Representing a U.S. reinsurance company in litigations relating to underlying asbestos and environmental losses.
- Representing a medical school in litigation relating to breach of a patent license agreement.
- Representing a leading marketing and communications agency in a dispute with former employees regarding violation of nonsolicitation covenants and misappropriation of trade secrets.
