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Ryan O. Hemminger


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Ryan Hemminger is a Partner with Leech Tishman and a member of the Litigation Practice Group. Ryan is based in Leech Tishman’s Pittsburgh office. He is an experienced litigator and civil trial lawyer and has handled a wide variety of complex commercial litigation matters for businesses and individuals, across a range of industries.

Over the course of his career, Ryan has successfully litigated many types of complex commercial cases. He has a vast amount of experience with corporate litigation matters including breach of contract, fraud, negligence and declaratory judgment issues. Ryan is regularly involved in employment litigation matters including discrimination defense claims and non-compete agreements. Ryan also handles bankruptcy-related legal matters including chapter 7 litigation, adversary proceedings and preference actions. In addition, he has experience representing general and sub-contractors in construction litigation matters involving mechanics’ liens, construction defects and contract/payment disputes.

Ryan’s practice also involves estate litigation, with a focus on orphan’s court litigation. His diverse commercial litigation portfolio also includes involvement in intellectual property litigation such as trademark infringement and trade secret matters, insurance coverage litigation involving errors/omissions and breach of fiduciary duty and civil rights cases involving first amendment retaliation.

Ryan’s background includes significant experience in state and federal courts at both the trial and appellate levels. He has argued before the Third and Fifth Circuit Court of Appeals, Federal District Courts in Pennsylvania and Texas, the Pennsylvania Supreme Court, and the Court of Common Pleas in Allegheny County.

Prior to joining Leech Tishman, Ryan served as a law clerk to Chief Justice Ralph J. Cappy and Judge Maureen Lally-Green of the PA Superior Court.


J.D., Duquesne University School of Law
B.A., cum laude, Bethany College

Court Admissions

U.S. Supreme Court
U.S. Court of Appeals, Third Circuit
U.S. Court of Appeals, Fifth Circuit
U.S. District Court, Western District of Pennsylvania
U.S. District Court, Northern District of Illinois
U.S. District Court, Western District of Texas

Professional Memberships

Federal Bar Association
Allegheny County Bar Association


2006 Cumulative Supplement to The Pennsylvania Constitution: A Treatise on Rights and Liberties (Editor)
Protecting Your Content: Survey of the Law of Copyright, prepared for the Pennsylvania Newspaper Association, 2011

Community Involvement

Bethany College Alumni Council (Member)