Stephen J.Petrany


Washington + 1.202.879.3614

Stephen Petrany focuses on appellate litigation and critical motions practice. He has participated in complex litigation before the Supreme Court, appellate courts, trial courts, and regulatory agencies regarding a wide array of subject matters. For instance, in voting rights litigation defending the Town of Islip, New York, he drafted the briefs in a weeks-long trial based on plaintiffs' motion to enjoin the town's electoral system; the district court's ruling was a resounding win for the client. He was part of the briefing team in an antitrust merger litigation involving Fortune 500 companies. And he has drafted briefs and dispositive motions in matters involving constitutional law, personal jurisdiction, arbitration, class actions, bankruptcy, statutory interpretation, and various commercial litigation issues.

Stephen also maintains an active pro bono practice. He argued and won a local D.C. Superior Court case to obtain a birth certificate for a minor after the city denied her application. He has argued several pro bono appeals in federal appellate courts, including the Seventh and Eleventh Circuits. In one recent Seventh Circuit appeal, Stephen argued that the client's mental handicap could constitute grounds for equitable tolling; the panel unanimously agreed in a published opinion. Stephen has also represented numerous clients on matters involving immigration, asylum, religious liberty, and prisoner petitions, among others.


  • Arizona Republican Party obtains landmark U.S. Supreme Court decisionIn a landmark decision on July 1, 2021, the U.S. Supreme Court ruled 6-3 in favor of Jones Day’s client, the Arizona Republican Party, by upholding Arizona’s ban on ballot harvesting and its rule that in-person voters must cast ballots in their assigned precincts.
  • U.S. Senator Mitch McConnell files amicus brief in First Amendment caseJones Day filed an amicus brief in the U.S. Supreme Court, on behalf of U.S. Senator Mitch McConnell, in support of charitable organizations challenging California’s requirement that non-profit charities must disclose donor information to the California Attorney General.
  • Prisoner prevails in Seventh Circuit habeas appealThe U.S. Court of Appeals for the Seventh Circuit appointed Jones Day associate Stephen Petrany to represent an Indiana prisoner whose federal habeas corpus petition was dismissed as untimely.
  • Town of Islip defeats motion for preliminary injunction to change its electoral systemJones Day represents the Town of Islip, New York and the Islip Town Board in litigation challenging their at-large voting system.
  • Cabell cleared to acquire St. Mary's following dismissal of FTC antitrust lawsuit to block transactionAfter a nearly two-year fight with the U.S. Federal Trade Commission, Cabell Huntington Hospital, Inc. has overcome all regulatory hurdles to its acquisition of St. Mary’s Medical Center, Inc., clearing the way to combine Huntington, West Virginia’s only two health systems.
  • Court-appointed amicus curiae files briefs in D.C. Circuit habeas corpus case involving extraditionJones Day attorney Ryan J. Watson, acting as court-appointed amicus curiae in this D.C. Circuit appeal, filed briefs relating to the habeas corpus petition of an individual who was extradited from Mexico to the United States.
  • Religious groups urge Supreme Court to grant petition in major religious-freedom caseIn February 2016, Jones Day filed an amicus brief, on behalf of religious groups, urging the Supreme Court to review a Ninth Circuit decision that upholds a Washington State law requiring pharmacists to dispense "Plan B" prescription drugs even when doing so violates their religious beliefs.