Peter Gruenberger focuses his practice on complex business litigation, in which he has long acted as lead trial and appellate counsel in a broad spectrum of cases in state, federal, bankruptcy and tax courts, as well as national and international arbitrations and mediations. He is experienced in litigating antitrust class actions and Section 7 cases, securities class action and derivative cases, adversary proceedings and contested matters in high-profile cases for debtors and creditors, federal income and estate tax disputes, and real estate controversies.
Mr. Gruenberger has won appeals in a wide variety of cases in the U.S. Supreme Court, the U.S. Circuit Courts for the First, Second, Third, Fifth, Seventh and Ninth Circuits, the New York Court of Appeals, Delaware Chancery and Supreme Courts, New Jersey Supreme Court, and first-chaired many trials in federal district courts, bankruptcy courts and state trial courts nationwide.
- Bankruptcy litigation
- Business torts
- Corporate Investigations
- Securities fraud/RICO
- Tax litigation
- Real estate
- Expert witness in ethics and legal malpractices cases