Kathryn Bonacorsi is a partner in Quinn Emanuel’s New York City office. Kathryn is a litigator with experience representing plaintiffs and defendants across a wide range of complex commercial disputes. Her experience includes contract disputes, shareholder disputes and derivative cases, sports law, cross-border disputes, mergers and acquisitions, and intellectual property disputes. She has significant experience litigating high-stakes, high-dollar cases. Kathryn has appeared and argued in a variety of forums, including in state and federal courts and in arbitrations.
Prior to joining the firm in 2016, Kathryn worked as a clerk to the Honorable Justice Eileen Bransten in the Commercial Division of the Supreme Court of New York. While in law school, Kathryn interned for the Honorable Paul G. Gardephe, United States District Court for the Southern District of New York, and the United States Attorney’s Office for the Southern District of New York.
- Washington Nationals Baseball Club
- Fanatics
- Elon Musk
- Stagwell Global
- Corporación Interamericana de Entretenimiento S.A.B. de C.V.
- NRG Energy
- Bain Capital
- Nuveen Asset Management
- Hound Partners
- MHR Fund Management LLC
- Andy Warhol Foundation
- Representing the Washington Nationals in its ongoing dispute with the Baltimore Orioles regarding the fair market value of the club’s broadcast rights.
- Successfully defended MHR Fund Management and the directors of Loral Space & Communications Inc. in expedited litigation in Delaware Chancery Court seeking to enjoin a combination transaction between satellite companies Loral and Telesat.
- Represented shareholder in a derivative lawsuit against L Brands, and obtained landmark settlement requiring the company to adopt significant corporate reforms.
- Representing funds associated with Hound Partners in a securities fraud opt-out case against Valeant Pharmaceuticals, its former executives, and various investment banks.
- Art Litigation
- Commercial Litigation
- Corporate Governance Litigation
- Delaware Practice
- Domestic U.S. Arbitration
- Employment Litigation & Counseling
- Energy Sector Disputes
- Copyright Litigation
- International Disputes
- International Arbitration
- Investment Fund Litigation
- Distressed Investment Litigation
- Hedge Fund Litigation
- Investment Advisor & Asset Manager Litigation
- Private Equity Fund Litigation
- Representing Pension Funds, Other Managed Funds, and Government Agencies as Plaintiffs
- Litigation Representing Plaintiffs
- Entertainment & Media Litigation
- Mergers & Acquisitions Litigation
- Sexual Harassment & Employment Discrimination
- Shareholder Activist Litigation
- Sports Litigation
- Structured Finance & Derivatives Litigation
- Fordham University School of Law
(J.D., 2014) - New York University
(B.A., cum laude, Journalism and Psychology, 2011)- Dean’s List
- The State Bar of New York
- United States District Court:
- Southern District of New York
- United States Court of Appeals
- Second Circuit
- Law Clerk to the Honorable Eileen Bransten:
- New York State Supreme Court, Commercial Division, 2015-2016
- New York State Supreme Court, Commercial Division, 2015-2016
- Law Clerk to the Honorable Alfonse J. Cifelli:
- New Jersey Superior Court, Criminal Division, 2014-2015
- Ranked by Lawdragon 500 Leading Global Entertainment, Sports & Media Lawyers, Litigation - Sports, Entertainment, Art, 2025
- Winner for Law360 Rising Star in Sports & Betting, 2024
- Ranked in The Best Lawyers in America: Ones to Watch for Commercial Litigation, 2023-2025