Judge Hardiman was appointed to the United States Court of Appeals for the Third Circuit on January 9, 2007 and was confirmed by the Senate (95-0) on March 15, 2007. Prior to becoming an appellate judge, Judge Hardiman served as a trial judge on the United States District Court for the Western District of Pennsylvania as of November 1, 2003. In 2008, Chief Justice John Roberts appointed Judge Hardiman to the Information Technology Committee of the Judicial Conference of the United States. Judge Hardiman was appointed Chairman of the IT Committee in 2013 and served in that capacity until September 2021. In 2021 he was appointed by the Director of the Administrative Office of the United States Courts to serve as Chair of the Judiciary IT Security Task Force, which completed its work in fall 2023. Chief Justice Roberts appointed Judge Hardiman to the Board of the Federal Judicial Center to serve from March 2020 until March 2024. As part of his work with the Center, Judge Hardiman now serves as Editor in Chief for the Manual for Complex Civil Litigation, Fifth.
Before entering judicial service, Judge Hardiman handled a wide variety of litigation matters in state and federal trial and appellate courts as a partner at Reed Smith LLP (1999-2003), a partner at Titus & McConomy LLP (1996-1999), and as an associate with its predecessor firm, Cindrich & Titus (1992-1996). Judge Hardiman began his legal career as an associate in the Washington, D.C. office of Skadden, Arps, Slate, Meagher & Flom (1990-1992).
A 1987 honors graduate of the University of Notre Dame, Judge Hardiman received his law degree in 1990 from the Georgetown University Law Center, where he served as a Notes and Comments Editor on the Georgetown Law Journal. In 2012, Judge Hardiman was elected as a member of the American Law Institute and was elected to its Council in 2019 and its Executive Committee in 2025. Judge Hardiman regularly teaches a seminar on Advanced Constitutional Law at Duquesne University School of Law and a one-week course entitled “Constitutional Law: the First and Second Amendments” at Georgetown University Law Center.
A native of Waltham, Massachusetts, Judge Hardiman has chambers in Pittsburgh, Pennsylvania. He and his wife Lori married in 1992 and have three children.
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Georgetown University Law Center (McDonough Hall 520)600 New Jersey Ave.
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The Liberty View599 Market Street
Philadelphia, PA 19103
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Duquesne Student Chapter
Duquesne School of Law900 Locust Street
Pittsburgh, PA 15219
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Fair Elections in an Era of Partisanship
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