Joseph McNelis

426 W. Lancaster Avenue, Suite 200
Devon, PA 19333

Office: (267) 930-1240


Temple University Beasley School of Law
Juris Doctor, 2013, cum laude

Fordham University
Bachelor of Arts, 2010


  • Pennsylvania
  • U.S. District Court for the Eastern District of Pennsylvania
  • U.S. District Court for the Middle District of Pennsylvania
  • U.S. District Court for the Western District of Pennsylvania
  • New Jersey
  • U.S. District Court for the District of New Jersey
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Southern District of Indiana
  • U.S. District Court for the Eastern District of Wisconsin
  • U.S. Supreme Court

Practice Areas

Joseph A. McNelis, III concentrates his practice in litigation and regulatory matters arising from data breach incidents and cybersecurity matters. Joe defends clients against privacy and technology-related claims in federal and state courts throughout the country, and assists organizations in responding to regulatory inquiries and investigations stemming from data privacy incidents.

Prior to joining the Mullen Coughlin team, Joe worked as a labor & employment attorney for a national AmLaw 100 firm. In this capacity, he specialized in defending employers against individual and collective wage-and-hour claims and served as a trusted advisor to businesses seeking to keep pace with the ever-changing employment law landscape. Joe utilizes this blend of litigation and compliance expertise to assist clients in minimizing legal risk in the data privacy and cybersecurity arena, and obtaining the best possible result when faced with litigation arising out of a data privacy event.

Joe is a highly skilled litigator who has defended clients against complex statutory and tort claims both on an individual and class-wide basis in courts throughout the United States. His litigation background includes data privacy and security litigation (data breach class actions and consumer protection claims), employment litigation (individual and class/collective wage-and-hour claims; enforcement of restrictive covenants; trade secret litigation; employment discrimination; internal investigations; and hearings before state agencies), insurance litigation (defense of bodily injury claims and insurance coverage matters) and commercial litigation (breach of contract and defamation, fraud and other business torts).

Joe has experience in all aspects of litigation, including pleadings, discovery and e-discovery issues, motion practice, oral argument, hearing attendance and trial preparation. He has experience litigating cases in Pennsylvania and New Jersey state courts, as well as federal courts in Pennsylvania, New Jersey, California, Illinois, Indiana, Maryland, Minnesota, Ohio, Oklahoma and Wisconsin.