Mark Seiberling currently practices primarily in the areas of complex commercial litigation, appellate litigation, Right-to-Know Law, education, and white collar criminal defense and internal corporate investigations. Seiberling is a former law clerk for the Supreme Court of Pennsylvania. He was listed by Pennsylvania Super Lawyers as a Rising Star from 2012-2017 and as a Pennsylvania Super Lawyer in 2018. In addition, Mark was recognized as a 2015 Lawyer on the Fast Track by The Legal Intelligencer.
Villanova University School of Law (J.D., cum laude, 2003)
Managing Editor, Villanova Sports and Entertainment Law Journal
LaSalle University (B.A., maxima cum laude, 2000)
American Bar Association
Philadelphia Bar Association
Appointed by the Governor to the Pennsylvania Joint Committee on Documents
Recognition & Accomplishments
Mark was named a “Lawyer on the Fast Track” by The Legal Intelligencer in 2015. He has been recognized as a Rising Star by Pennsylvania Super Lawyers from 2012-2017 and was listed as a Pennsylvania Super Lawyer in 2018. In 2015 he was named to the Pro Bono Roll of Honor by the First Judicial District.
Speaking and Publications
Co-Author, “Local Counsel and the UIDDA: Must You Retain? Should You Retain?”, The Legal Intelligencer, July 29, 2015.
Co-Author, “Litigation Lessons from the Penn State Sanctions”, Corporate Counsel, April 30, 2015.
“Filing a Pennsylvania State Court Appeal: a Guided Journey with Tips and Tricks”, Drexel University Thomas R. Kline School of Law, April 2015 (also presented in-house at Conrad O’Brien, April 2015).
“Icing” on the Cake: Allowing Amateur Promoters to Escape Liability in Mohoney v. USA Hockey, Inc., 9 Vill. Sports & Ent. L.J. 417 (2002).
Prior to joining Kleinbard, Mark was a partner at Conrad O’Brien PC.