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Justin N. Leonelli

Fax +1.412.355.6501

Justin N. Leonelli is an associate in the firm’s Pittsburgh office. As a member of the construction and infrastructure practice group, Mr. Leonelli represents owners, general contractors, subcontractors, suppliers, and design professionals in a variety of public and private construction disputes nationwide. He frequently handles matters involving defective construction claims, delay claims, differing site conditions claims, mechanic’s lien claims, and bonding disputes. Mr. Leonelli also represents clients in connection with public procurement issues and assists in negotiating and drafting contracts for a range of construction professionals.

In addition to his legal practice, Mr. Leonelli is actively involved in the Pittsburgh community. He serves on the board of directors for a non-profit organization focused on providing apprenticeship programs for individuals seeking employment in the manufacturing industry. He is also a member of the firm’s pro bono group and represents individuals in a variety of matters throughout the Greater Pittsburgh Region.

Professional Background

Prior to joining the firm, Mr. Leonelli was a litigation associate at a Pittsburgh-based law firm where he focused his practice on commercial disputes and handled matters involving the construction, energy, and manufacturing industries. In addition, he was a legal intern for the nation’s largest provider of shared communications infrastructure, Crown Castle. Mr. Leonelli also served as an extern to the now-Pennsylvania Supreme Court Justice David. N. Wecht.


  • Allegheny County Council Proclamation
  • CALI Excellence for the Future Award, Legal Research & Writing
  • CALI Excellence for the Future Award, Advanced Legal Writing: Writing in Law Practice
  • Best Appellate Brief in Academic Mock Appeal

Professional/Civic Activities

  • New Century Careers, Board of Directors
  • Allegheny County Bar Association, Member

Speaking Engagements

  • Instant Communication and Advances in Technology: Exchanging Ethical Dilemmas and Increased Expectations for Convenience and Efficiency, Dean John J. Sciullo Fundamentals of Law Continuing Education Series (April 25, 2015).
  • Amendments to Federal Rule of Evidence 902, The Legal Intelligencer, November 1, 2017.
  • Dormant Commerce Clause Review of a Lifecycle Analysis Regulation: Rocky Mountain Farmers Union v. Corey, 3 Joule Energy & Envtl. L.J. 2 (November 11, 2014).

Additional Information

Mr. Leonelli grew up in Youngstown, Ohio where he attended Cardinal Mooney High School. He now resides in a northern suburb of Pittsburgh. In his spare time, Mr. Leonelli likes to golf and visit with family and friends.