Jason M. St. John

Jason M. St. John is a Vice Chair and Partner in Saul Ewing Arnstein & Lehr’s Litigation Practice. Jason has litigated commercial, contract, and real estate/land use disputes of all sizes – from large, complex “bet the company” litigation to smaller disputes between business entities or individuals.

His practice includes the representation of clients in a variety of commercial and contract disputes, including matters involving breach of contract, real estate, commercial leases, insurance, business fraud, restrictive covenants, shareholder disputes, Uniform Commercial Code issues, and assorted business torts such as claims for unfair competition, breach of fiduciary duty, defamation and First Amendment violations, misappropriation of trade secrets and tortious interference with contract, fraudulent transfers and veil piercing liability.

In his real estate and construction litigation practices, Jason represents builders, developers, property owners, retailers, property managers and guarantors.  He has successfully litigated a multitude of commercial lease disputes involving ground, full service, net, double net, triple net, absolute triple net, and modified gross leases.  He has also defended claims ranging from defects alleged in multi-unit residential dwellings to commercial building projects.

Jason has also handled a myriad of complex matters for wireless telecommunications carriers and tower companies involving constitutional issues, federal pre-emption as well as zoning, siting and permitting processes throughout Maryland, Virginia, Pennsylvania and the District of Columbia.

In addition to his trial experience, Jason has also handled dozens of preliminary injunctions and temporary restraining orders in federal and state courts throughout the country. He has participated in numerous complex litigation matters involving massive and complex electronic discovery issues. Jason assists clients in identifying their own sources of electronically stored information, as well as preservation and collection of electronically stored information for pending litigation.

In addition to his law practice, Jason was an adjunct professor at the University of Maryland School of Law where he taught courses in pre-trial civil litigation and appellate advocacy. He is admitted to practice before the U.S. Supreme Court, the U.S. District Court for the District of Maryland and the U.S. Court of Appeals for the Third, Fourth and Ninth Circuits.

Jason serves on the boards of the Maryland Zoo in Baltimore, the University of Maryland Francis King Carey School of Law Board of Visitors, and the Sigma Phi Epsilon National Housing Corporation.