About
Stephen J. Kastenberg is a partner at Ballard Spahr LLP based in Philadelphia. He focuses on complex business litigation with an emphasis on antitrust and competition, securities, and corporate governance litigation, representing public and private companies and universities in federal and state lawsuits.
Practice areas
AntitrustCommercial LitigationClass ActionsSecurities LitigationCorporate Governance
Office
Expertise
PharmaceuticalsChemicalsInvestmentsMedia and TechnologyReal EstateFinancial ServicesHigher Education
Education
- Harvard Law School (J.D., cum laude, 1992)
- Princeton University (A.B., cum laude, 1988)
Admissions
- New Jersey
- Pennsylvania
- Supreme Court of New Jersey
- Supreme Court of Pennsylvania
- U.S. District Court for the Eastern District of Pennsylvania
- U.S. Court of Appeals for the Second Circuit
- 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 Ninth Circuit
- U.S. Court of Appeals for the Tenth Circuit
- U.S. Court of Appeals for the Eleventh Circuit
