Parker A.Rider-Longmaid


Washington + 1.202.879.7663

Parker Rider-Longmaid, a former U.S. Supreme Court law clerk, focuses on appellate advocacy and motions practice. He has argued before the Second and Seventh Circuits and before the Charlottesville Circuit Court in Virginia in defense of Charlottesville's City Councilors sued for their votes to remove Confederate statues from downtown parks. He has drafted briefs filed in the U.S. Supreme Court and various federal and state courts.

Prior to joining Jones Day in 2017, Parker served as a law clerk at the U.S. Supreme Court, the U.S. Court of Appeals for the Third Circuit, and the U.S. District Court for the Eastern District of Pennsylvania. He also served as a Bristow Fellow in the Office of the Solicitor General at the U.S. Department of Justice, where he successfully briefed and argued an appeal in the Second Circuit; helped draft a brief that convinced the Eighth Circuit to grant en banc review and overrule its precedent; assisted with numerous cases before the U.S. Supreme Court at the certiorari and merits stages; and advised the Solicitor General regarding appeals in the lower federal courts.

While in law school, Parker helped research and draft merits briefs and petitions for certiorari before the U.S. Supreme Court as part of Penn Law's Supreme Court Clinic.


  • Peabody secures Eighth Circuit victory upholding chapter 11 discharge of global warming claimsThe U.S. Court of Appeals for the Eighth Circuit upheld a bankruptcy court order ordering three California municipalities to dismiss their global warming claims against Jones Day client Peabody Energy Corporation because those claims were discharged by Peabody's successful chapter 11 plan of reorganization.
  • Jones Day secures third-in-a-row victory defeating bankrupt law firms' claims over former clients' mattersOn February 13, 2020, the D.C. Court of Appeals unanimously ruled in favor of Jones Day in the years-long lawsuit brought by the bankruptcy estate of Howrey LLP asserting claims for so-called "unfinished business."
  • Pro bono client obtains writ of habeas corpus in Seventh Circuit appealJones Day obtained a writ of habeas corpus for pro bono client, Terez Cook, in the U.S. Court of Appeals for the Seventh Circuit.
  • Charlottesville City Councilors obtain pro bono summary judgment win granting statutory immunity in Charlottesville monument caseJones Day achieved victory on behalf of four Charlottesville City Councilors who voted to relocate the Robert E. Lee and Thomas J. Jackson statues at the center of the violent rally in Charlottesville in August 2017.
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