Antony L. Ryan handles a wide variety of litigation matters, focusing on securities litigation, accountants’ liability, M&A litigation and antitrust law.
Ryan’s recent notable matters include:
- Robinhood Markets, Inc.: Represented Robinhood in dozens of lawsuits, centralized in multidistrict litigation (MDL) in the Southern District of Florida, including numerous putative class actions—securing a string of victories over more than three years to dismiss or otherwise resolve all claims against the company. The actions involved antitrust, contract, securities and various other state and federal claims arising out of Robinhood’s decision to temporarily place certain limits on trading in certain securities in the face of unprecedented market volatility. Mr. Ryan also represents Robinhood and certain of its senior executives and directors in purported class action securities litigation and a related stockholder derivative action related to the company’s July 2021 IPO.
- Deutsche Telekom AG: Representing Deutsche Telekom, T‑Mobile’s controlling shareholder, and certain officers, in putative class action and derivative litigation in the Delaware Court of Chancery alleging defendants breached their fiduciary duties in connection with T‑Mobile’s $26 billion merger with Sprint.
- Dfinity Foundation: Representing Dfinity, an international organization developing blockchain technology, in purported class action securities litigation filed in California federal and state court related to the issuance of Dfinity’s Internet Computer Project (“ICP”) master governance tokens. Mr. Ryan secured back-to-back wins for Dfinity, first obtaining a summary judgment victory in the state court action—an important win in the cryptocurrency space in a largely unsettled area of the law—then securing dismissal of the federal court action. He continues to represent Dfinity on appeal.
- Epic Games, Inc.: Represented Epic Games, creator of the hugely popular game Fortnite, in securing a complete Ninth Circuit victory, which affirmed a jury verdict that Epic had won against Google as well as a permanent injunction, in an action alleging anticompetitive behavior in the distribution of mobile apps and the handling of in-app payments.
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The Williams Companies Inc.: Represented Williams as lead trial and appellate counsel, securing a judgment totaling more than $600 million in M&A litigation against Energy Transfer, LP related to a planned $37.7 billion merger. Following a six‑day trial, the Delaware Court of Chancery awarded Williams a $410 million contractual termination fee, plus nearly $200 million in interest and reasonable attorneys’ fees. On appeal before the Delaware Supreme Court, Mr. Ryan argued and won a decision affirming the judgment in full.
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Qualcomm Inc.: Represented Qualcomm and certain of its directors and officers in a securities class action in the Southern District of California filed in the wake of antitrust investigations and litigation concerning the company’s patent licensing and modem chipset businesses. The parties reached a favorable settlement to resolve the litigation.
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The Walt Disney Company: Represented Disney and its subsidiary ESPN in antitrust litigation brought by FuboTV in the Southern District of New York seeking to block a joint venture through which Disney, ESPN, Fox and Warner Brothers Discovery would distribute their sports portfolios through a combined streaming platform. In January 2025, the parties announced a settlement in connection with an agreement to combine Disney’s Hulu + Live TV streaming business with Fubo.
Select Additional Securities Litigation and Related Experience
- AIG: Represented PricewaterhouseCoopers LLP (“PwC”) in actions relating to AIG’s 2005 restatement of its financial statements and a separate set of actions relating to AIG’s credit default swaps and the federal government’s 2008 support package. These matters included government investigations and cases in the Southern District of New York, the Second Circuit, as well as state trial and appeals courts in California, Delaware and New York.
- Bear Stearns: Represented Deloitte & Touche LLP (“Deloitte”) in various actions relating to the liquidation of Bear Stearns hedge funds as well as the sale of Bear Stearns to JPMorgan in 2008, in the Southern District of New York and the Second Circuit.
- Madoff Funds: Represented PricewaterhouseCoopers Ireland (“PwC Ireland”) in securities class actions in the Southern District of Florida and the Southern District of New York involving investment funds audited by PwC Ireland that lost money in Bernard L. Madoff’s Ponzi scheme. Both actions were dismissed, and the dismissals were affirmed on appeal in the Eleventh and Second Circuits.
Lawdragon Honors
Ryan has been featured in many of Lawdragon’s leading lawyer guides, including “500 Leading Litigators in America,” “500 Leading Lawyers in America,” “500 Leading Global Litigators” and “500 Leading Global Antitrust & Competition Lawyers.”
Ryan maintains an active pro bono practice and serves as the Pro Bono Partner. He is Chairman of the Board of Directors of Volunteers of Legal Service, and serves on the Board of Directors of The Legal Aid Society.
Ryan currently leads three separate pro bono class actions, on behalf of juvenile offenders in New York State eligible for release on parole, children in the New York City foster‑care system, and inmates at St. Clair Correctional Facility in Alabama. He is also handling a pro bono matter before the U.S. Supreme Court, in which he represents an individual serving a life sentence who is seeking a grant of compassionate release under the First Step Act.
