John Hamill

Partner

Chair, US Business & Commercial Litigation

About

Areas of FocusHealthcare Media, Sport and Entertainment Litigation, Arbitration and Investigations Business and Commercial Litigation

Bar admissionsIllinois

CourtsSupreme Court of the United StatesUnited States Court of Appeals for the Third CircuitUnited States Court of Appeals for the Fourth CircuitUnited States Court of Appeals for the Fifth CircuitUnited States Court of Appeals for the Sixth CircuitUnited States Court of Appeals for the Seventh CircuitUnited States Court of Appeals for the Ninth CircuitUnited States Court of Appeals for the Tenth CircuitUnited States Court of Appeals for the Eleventh CircuitUnited States Court of Appeals for the District of Columbia CircuitUnited States Court of Appeals for the Federal CircuitUnited States District Court for the Northern District of IllinoisUnited States District Court for the Western District of WisconsinUnited States District Court for the Western District of MichiganUnited States District Court for the Eastern District of ArkansasSupreme Court of IllinoisUnited States District Court for the Eastern District of TexasUnited States District Court for the Northern District of TexasUnited States District Court for the Southern District of Texas

EXPERIENCE

John J. Hamill has been lead counsel in a wide range of complex commercial litigation matters in numerous venues, including in areas such as antitrust, healthcare, insurance, sports, telecommunications, professional responsibility, energy, and numerous types of general business-to-business litigation, including class actions. These include cases tried to judgment, appealed, class actions, and many resolved favorably by settlement. Some sample engagements include:

Examples of engagements where he has lead litigation teams include:

Represented sophisticated client in defense of ERISA matter brought by Secretary of Labor
Represented a leading health insurance company in dozens of significant disputes involving payment disputes, indemnity issues, ERISA, and class claims
Represented property and casualty insurer in federal antitrust action concerning bail bond rates
Represented Major League Soccer team in bench trial dispute over stadium construction
Represented gaming organization in dispute over state tax legislation in Pennsylvania Supreme Court
Represented investor of gaming organization in First Amendment challenge to campaign contribution ban in Third Circuit
Represented a leading health insurance organization in a federal antitrust action under the Sherman Act
Representing a university in litigation concerning concussion injuries in sports
Represented a professional sports team in an ownership controversy
Represented pharmacy company in antitrust action related to alleged pay for delay scheme
Represented a professional sports team in various business litigation matters
Represented a prominent power utility in multiple class actions, appeals, and regulatory matters in state and federal courts and Supreme Court of Illinois
Represented a major energy company in a significant tax dispute
Represented a hospital system in an antitrust dispute
Represented a long distance carrier in RICO litigation
Represented a prominent power utility in unfair competition class actions
Represented several leading health insurance companies in a complex arbitration with a transportation company

Education

J.D., Harvard Law School

cum laude

B.A., University of Notre Dame

summa cum laude

Awards

Bylines

Seminars

Panelist, "Sports & Entertainment Law Panel with DLA Piper," Harvard Law School, April 10, 2018
"Antitrust and PPACA," Chicago Bar Association Antitrust Committee, January 2014

Media Mentions