With a particular focus on energy, environmental, construction, and financial matters, John K. Gisleson is a trial lawyer who represents clients across a range of business litigation issues. John has tried cases in the construction, energy, environmental, financial institution, manufacturing, real estate, retail, securities, and waste industries. John has served as lead trial counsel in both defending and prosecuting matters, and has represented clients in arbitration. He also maintains an active pro bono practice.
John’s pro bono work has included the defense of a man convicted of first-degree murder who obtained a new trial on culpability that was to focus on degree of guilt. He previously conducted an asylum appeal for a Croatian woman who was a domestic violence victim in that country. He has experience working on death penalty cases and was involved with a constitutional challenge to the elimination of the International Baccalaureate Programme in a Pittsburgh-area school district, resulting in its reinstatement.
John is a fellow of the American College of Trial Lawyers, as well as a fellow of the Academy of Trial Lawyers of Allegheny County, an organization limited to 250 elected lawyers engaged in civil trial practice in US state and federal courts.
Energy and Environmental Litigation
Business Litigation
Construction Claims
Fellow, American College of Trial Lawyers
Fellow, Academy of Trial Lawyers of Allegheny County
Rated AV® Preeminent by Martindale-Hubbell®
Master and Vice-President, American Inns of Court, Pittsburgh Chapter
Recognized, Commercial Litigation, Pittsburgh, The Best Lawyers in America (2013–2020, 2022, 2023)
Future Star, Pennsylvania, Benchmark Litigation (2011–2014, 2017, 2018)
Recognized, Business Litigation, Pennsylvania Super Lawyers (2004–2022)
Recommended, Industry focus: Energy litigation: oil and gas, The Legal 500 US (2018–2022)
Recommended, Industry focus: Energy litigation: conventional power, The Legal 500 US (2019–2022)
Recommended, Industry focus: Environment: litigation, The Legal 500 US (2019)
Member, Practice Group of the Year, Environmental, Law360 (2017, 2019)
Recognized, Who’s Who in Energy, Pittsburgh Business Times (2017)
Fellow, Academy of Advocacy of Temple University (2001)
Fellow, Allegheny County Bar Foundation
Member, Allegheny County Bar Association
Member, Washington County Bar Association
Former Chair, Energy Section of the Washington County Bar Association
Former Chair, Civil Litigation Section Council of the Allegheny County Bar Association
Past Member, Board of Trustees, Carlow University
Past President of the Board of Trustees, Pittsburgh Youth Symphony Orchestra
Graduate, Leadership Pittsburgh XIX
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