Laurence Z. Shiekman

Larry’s practice covers a wide range of complex litigation and dispute resolution matters. He has handled multiple trials to verdict involving antitrust, securities, ERISA, intellectual property, and complex commercial disputes. He has particularly deep experience in class actions, as well as in federal multidistrict litigation.

Larry is a frequent speaker on litigation topics such as the use of experts, proving damages, ediscovery, arbitration and mediation, social media issues in litigation, and management of class actions. He also has participated in programs teaching trial skills to fellow attorneys and has served as an adjunct professor on the faculty of the University of Pennsylvania Law School, where he taught trial advocacy.

• Counsel to a nationally renowned hospital in defense of a 12,000 member patient class action alleging invasion of privacy claims; obtained settlement.
• Represented a medical group in defense of a wrongful termination claim by a founding partner.
• Counsel to an industrial company in a dispute over a software development contract.
• Represented a software company in a contractual dispute with one of its software vendors.
• Represented a U.K. pharmaceutical company in an arbitration arising from termination of a license agreement.
• Successfully defended a railroad in a jury trial seeking damages for breach of contract.
• Successfully defended a national tax preparer in a purported class action challenging e-filing fees.
• Represented a national homebuilder in defense of price-fixing and monopolization antitrust claims.
• Counsel to a major entertainment company in connection with contractual, intellectual property and unfair competition disputes regarding a major attraction at its theme park.
• Represented the leading automotive glass manufacturer in defense of treble damage, class action litigation.
• Counsel to a truck manufacturer in defense of antitrust and dealer termination claims.
• Successfully represented a mutual insurance company in litigation challenging its conversion to a stock company and related derivative claims.
• Defended an Internet-based music provider, a national credit card issuer, a telecom equipment manufacturer, and other clients in patent infringement litigation.
• Represented a a biomedical manufacturing company in prosecution of patent infringement claims and expected antitrust counterclaims.
• Defended a national pizza franchisor in a class action brought by its franchisees alleging monopolization in violation of Section 2 of the Sherman Act and tying in violation of Section 1 of the Act.
• Defended a railroad against class action ERISA claims.
• Defended a pharmaceutical company against class action ERISA claims relating to temporary employees.
• Defended a major automotive wholesaler in a Robinson-Patman Act “mass action” by nearly 200 competitors.
• Represented a computer reseller in Section 10(b)5 and derivative actions, as well as in an SEC investigation.
• Defended a national accounting firm in a securities class action.

• Best Lawyers in America®: Litigation – Antitrust (2011-2024)
• Chambers USA: America’s Leading Lawyers for Business: commercial litigation and antitrust (2005-2012)
• Pennsylvania Super Lawyers (2004-2020)
• Who’s Who in American Law (2005-2010)
• Thomson Reuters Stand-out Lawyer (2020-2022) – independently rated lawyers