US Supreme Court clerk

From 1975 to 1976, Dan served as law clerk to the Honorable Thurgood Marshall, Associate Justice of the United States Supreme Court.

Family ties

Dan has two sons and two daughters-in-law. Josh and Eli are both lawyers. Josh's wife, Jenn, is also a lawyer. Eli's wife, Shana, is a pediatrician. Ministering to the spiritual needs of the entirely over-lawyered Segal family is Dan’s wife, Sheila, a chaplain.

Justice for juveniles

Dan represents 2400 juvenile victims of the Luzerne County Kids-for-Cash judicial scandal. He has secured settlements of more than $20 million for his clients.

Read about the case

Daniel Segal’s practice includes both complex trial and appellate level matters. Substantive areas in which he practices include civil litigation involving defamation, First Amendment, intellectual property, health care, professional ethics, education, civil rights, securities, antitrust, academic research misconduct, and employment.

Dan is a 1973 magna cum laude graduate of Harvard Law School, where he was Executive Editor of the Harvard Law Review. Dan received his BA, magna cum laude, in 1968 from Yale University. In 1969, he received a master’s degree in international relations from the London School of Economics. From 1974 to 1975, Dan served as law clerk to the Honorable David Bazelon, Chief Judge of the United States Court of Appeals for the District of Columbia Circuit. From 1975 to 1976, he served as law clerk to the Honorable Thurgood Marshall, Associate Justice of the United States Supreme Court. From 1976 to 1979, Dan was Assistant Professor of Law at the University of Pennsylvania Law School. He was also the Thomas A. O’Boyle Adjunct Professor of Law at the Law School and has taught constitutional law on a regular basis.

Dan is a past president of the Juvenile Law Center, the Auerbach Central Agency for Jewish Education, and Akiba Hebrew Academy. He is also a past Chair of the Philadelphia Soviet Jewry Council. He is currently Vice President of Hillel of Greater Philadelphia and President of the Board of Overseers of the University of Pennsylvania Hillel Foundation. He is a member of New Israel Fund’s International Board.

Dan is active in the Philadelphia Bar Association, having served as a member of its Commission on Judicial Selection and Retention. He also serves as a Settlement Master for the Philadelphia Court of Common Pleas and is a Master of the Bench of the University of Pennsylvania Law School American Inn of Court.

Representative Matters

  • John Dougherty v. Philadelphia Newspapers, et al., Supreme Court of Pennsylvania, Eastern District, No. 25-EAL-2016
  • Executive Risk Indem., Inc. v CIGNA Corp., 74 A.3d 179 (Pa. Super. Ct. 2013)
  • Trustees of the University of Pennsylvania v. St. Jude Children’s Research Hospital, 982 F.Supp.2d 518 (E.D. Pa. 2013)
  • Braun v. Wal-Mart Stores, Inc., et al., Supreme Court of Pennsylvania, Eastern District, No. 32 EAP 2012
  • Hummel v. Wal-Mart Stores, Inc., et al., Supreme Court of Pennsylvania, Eastern District, No.33 EAP 2012
  • Pennsylvania Medical Soc. v. Department of Public Welfare, 614 Pa. 574, 39 A.3d 267 (2012)
  • Wallace et al. v. Powell, et al., 288 F.R.D. 347 (M.D. Pa., 2009)
  • Computer Aid, Inc. v. Hewlett Packard Co., 56 F. Supp. 2d 526 (E.D. Pa. 1999)
  • Conrail v. United States, 883 F.Supp. 1565 (S. Ct. Reg. Rail Reorg. 1995)
  • Craig v. Lake Asbestos of Quebec, Ltd., 843 F.2d 145 (3d Cir. 1988)
  • General Refractories Co. v. Fireman’s Fund Ins. Co., 806 A.2d 469 (Pa Super 2002)
  • Goodman v. Lukens Steel, 482 U.S. 656 (1987)
  • Lutz v. Chromatex, Inc., 730 F.Supp. 1328 (M.D. Pa. 1990)
  • McDermott v. Biddle, 436 Pa. Super, 94, 647 A.2d 514 (Pa.)

Honors & Awards


Ranked in Chambers USA for Pennsylvania: Litigation: General Commercial, 2004 – 2023

Listed in Pennsylvania Best Lawyers for First Amendment Law, First Amendment Litigation, and Intellectual Property Litigation, 2022-2023

Listed in Pennsylvania Super Lawers for Business Litigation, 2004-2023

Named the 2014, 2017 and 2024 Philadelphia Lawyer of the Year – First Amendment Law and the 2020 and 2024 Philadelphia Lawyer of the Year – First Amendment Litigation by The Best Lawyers in America

Named a Local Litigation Star by Benchmark: The Definitive Guide to America’s Leading Litigation Firms and Attorneys

Named by Pennsylvania Super Lawyers magazine as one of the state’s top attorneys as the result of a statewide survey of lawyers

Harvard Law Review, Executive Editor, 1972 – 1973

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Teaching, Lecturing & News

“U.S. Supreme Court’s Splintered Decision on State Voter ID Law: More Questions Than Answers,” The Legal Intelligencer & Pennsylvania Law Weekly (Litigation Supplement), July 14, 2008 (with John S. Stapleton)

“The Developing Relationship Between Insurance Claims Executives and Outside Counsel,” Computer Services Corporation Claims Executive Forum, 2007

“Philadelphia’s Legal Crisis,” Outdoor Advertising Association of America, 2006

“What’s at Stake in the Upcoming Supreme Court Term,” 2005

“Federalism,” Philadelphia Bar Association, 1998

“Federal Discovery,” Philadelphia Bar Association, 1997

“Federal Written and Oral Discovery,” Philadelphia Bar Association, 1996

“Confidentiality Orders,” Philadelphia Bar Association, 1995

“Public Access to Judicial Records,” Philadelphia Bar Association, 1994

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Memberships & Community

Philadelphia’s Jewish Community Relations Council, President

American Civil Liberties Union, Legal Committee

New Israel Fund, 2007-present

Juvenile Law Center, President, 2000 – 2002

American Bar Association

Pennsylvania Bar Association

Philadelphia Bar Association
Judicial Selection Commission, Chair, 1997 – 1998
Municipal Courts Committee, Co-Chair, 1997 – 1998

Bar Association of the Third Federal Circuit

Hillel of Greater Philadelphia, Vice President, 2003 – Present

University of Pennsylvania Hillel, President, 2005 – Present

Auerbach Central Agency for Jewish Education, President, 1998 – 2000

Akiba Hebrew Academy, President, 1993 – 1995

Soviet Jewry Council of Philadelphia, Co-Chair, 1983 – 1986

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