Kevin J. McKeon



Kevin is an experienced government law litigator and appellate advocate. Co-author of West's Pennsylvania Appellate Practice and immediate past Chair of the Supreme Court of Pennsylvania’s Appellate Court Procedural Rules Committee, Kevin has briefed and argued appeals in all of Pennsylvania’s appellate courts and in various federal circuit courts of appeal including the Ninth, D.C. and Third Circuits. He is frequently involved in original jurisdiction actions in the Commonwealth Court on issues related to the constitutionality of state statutes and the legality of administrative agency regulations. With HMS partner Dennis Whitaker and others, he is a founder of and regular contributor to Pennsylvania Appellate Advocate, a blog that provides timely coverage and analysis of notable appellate decisions, allocatur grants, upcoming arguments, proposed and adopted rule changes, and other information of interest to lawyers, litigants, and others involved in or affected by issues presented in appeals in Pennsylvania’s appellate courts.

Kevin also appears regularly on behalf of diverse clients before state and federal regulatory agencies including Pennsylvania’s Public Utility Commission, the Department of Health’s Office of Medical Marijuana, the Insurance Department, the Gaming Control Board, various professional licensing boards, and the Federal Energy Regulatory Commission (FERC).   

Before entering private practice with HMS in 1984, Kevin served as law clerk to the Honorable James S. Bowman, first president judge of the Commonwealth Court of Pennsylvania, and as that court’s first Deputy Prothonotary for Law.  Kevin is a frequent lecturer and panel moderator on appellate issues and on topics in administrative law.  He received the James S. Bowman award for outstanding practice and mentoring in administrative law.

Representative Matters

Representative Cases

Honors & Distinctions


Judicial Clerkship

Government Service

Professional Affiliations