The resources, expertise, and resolve to meet every challenge.

The Hilliard & Shadowen team has extensive courtroom experience, so we know how to meet the challenges of complex cases. We have the resources, knowledge and professional expertise to achieve the best possible results.

Matthew C. Weiner

Licensed in Pennsylvania; not licensed in Texas

Matthew Weiner works primarily on antitrust class-action litigation. His experience includes specific attention to antitrust law and economics as applied in the pharmaceutical industry.

Mr. Weiner started working part-time for Hilliard Shadowen LLP during his last semester of law school, and he joined the firm full-time upon graduation in May 2012.  His practice concentrates on developing and litigating antitrust and consumer protection cases in the pharmaceutical industry.  He has assumed significant roles in a number of the firm’s pharmaceutical antitrust cases, including:

  • In re Loestrin Antitrust Litigation;
  • In re Actos End-Payor Antitrust Litigation; 
  • In re Suboxone Antitrust Litigation;
  • In re Asacol Antitrust Litigation;
  • In re Aggrenox Antitrust Litigation;
  • In re Solodyn Antitrust Litigation; and
  • In re Nexium Antitrust Litigation.

In addition, Mr. Weiner has assumed significant roles in all of the firm's civil rights cases.    

Mr. Weiner graduated from The Pennsylvania State University, Smeal College of Business with a B.S. in Accounting.  He then attended The Pennsylvania State University, Dickinson School of Law, where he served as managing editor of the school’s law review, Yearbook on Arbitration and Mediation.  He was also elected to coach Penn State’s ABA National Moot Court team, and he competed in the Mardi Gras Sports Law Moot Court Competition.

While attending law school, Mr. Weiner served as a judicial extern for the Hon. Kim Gibson, United States District Court for the Western District of Pennsylvania.  He was also a judicial intern for the Hon. Linda S. Jamieson, Supreme Court of New York, Rockland Division.

Mr. Weiner has extensive research experience in antitrust, having served as a research assistant for a professor updating a comprehensive antitrust treatise, and for another professor preparing a volume on antitrust law in the pharmaceutical industry.  Other areas of particular interest include consumer class action litigation and arbitration.  


Our People
"It is imperative to feel committed and passionate towards the work one does. That is why I became an attorney. That is
why I am grateful to be a part of Hilliard & Shadowen."
-Matthew C. Weiner


  • State of Pennsylvania
  • Middle District of Pennsylvania; Western District of Texas; Second Circuit; Ninth Circuit; U.S. Supreme Court


  • B.S. in Accounting, Pennsylvania State University Smeal College of Business

  • JD, Pennsylvania State University Dickinson School of Law