Shawn K. Leppo

Harrisburg, PA
100 Pine Street | Harrisburg, PA 17101
T 717.237.5218
F 717.260.1718

Shawn practices in the Intellectual Property, Patent Division, and International Law Groups. His practice includes all aspects of intellectual property law, with a focus on litigation and counseling. Shawn assists clients in asserting and defending charges of patent, copyright, and trademark infringement in federal courts across the United States and in related mediation proceedings. 


Shawn has been named a Rising Star three times by Pennsylvania Super Lawyers. He is a member of the American Intellectual Property Law Association and the American Institute of Chemical Engineers, in which he actively participates in the Susquehanna Local Section. Shawn regularly speaks and writes on patent and other intellectual property topics of interest and has work has been featured in publications by the PA Legal Intelligencer, JD Supra, and the American Corporate Counsel Association.


Shawn's intellectual property litigation experience includes:


  • Defended international dental equipment manufacturer from patent claim brought by patent licensing company pertaining to a method of manufacturing dental restorations resulting in summary judgment of non-infringement

  • Defended international dental equipment manufacturer in action asserting patent and trade secret claims related to dental curing lights, resulting in settlement of less than 10% of original demand

  • Asserted patent on behalf of church product manufacturer against national wholesaler resulting in client obtaining a permanent injunction enjoining further sales of the infringing device

  • Defended international dental equipment manufacturer in case involving multiple counts of patent infringement relating to dental surgery, resulting in favorable settlement

  • Defended national decking manufacturer against patent false marking claim in which the complaint was withdrawn following a motion to dismiss

  • Defended online retailer from patent infringement action brought by a patent licensing company related to search functionality of client’s e-commerce website resulting in favorable settlement

  • Asserted copyright claims on behalf of leading electronic game call manufacturer under Digital Millennium Copyright Act resulting in consent judgment against competitor

  • Asserted copyright and related violations for regional home inspection business alleging resulting in consent judgment against competitor

  • Defended multiple copyright actions related to architectural works

Other Areas of Practice

Memberships and Affiliations

  • Pennsylvania Bar Association
  • Dauphin County Bar Association
  • Pennsylvania Rising Stars®, 2008, 2010, 2011 
  • Select Lawyers, 2014
  • American Institute of Chemical Engineers, Susquehanna Section
  • York Springs Lions Club
  • Print
  • PDF

Related Practices / Industries


  • The Pennsylvania State University, B.S., Chemical Engineering, 1999
  • William & Mary, J.D., 2002Order of the Coif

Bar Admissions

  • Pennsylvania, 2005
  • Virginia, 2002 (Associate)
  • U.S. Patent and Trademark Office, 2002

Court Admissions

  • U.S. District Court for the Middle District of Pennsylvania
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court for the Western District of Virginia
  • U.S. Court of Appeals for the Federal Circuit
  • United States Patent and Trademark Office