Jason is a highly accomplished defense attorney with more than 20 years of experience handling complex casualty litigation.
Throughout his career, Jason has defended hundreds of premises liability, sports and entertainment, retail, dram shop, motor vehicle and product liability matters, trying several cases to verdict. Additionally, he has handled several mold exposure claims involving subcontractors, school districts and a regional hospital.
He has also represented Fortune 500 companies and a considerable number of service providers in sports and entertainment, retail, corrections, healthcare, facilities, restaurant and bar industries.
In addition to his seasoned trial advocacy skills, he regularly uses focused discovery and technology to effectively and creatively represent his clients in a cost-efficient manner. He was also involved in the MDL litigation for a distributor of latex products. Jason regularly serves as a court-appointed arbitrator in the Court of Common Pleas of Lehigh County, Court of Common Pleas of Northampton County and United States District Court for the Eastern District of Pennsylvania. He also serves as a judge pro tem in the Court of Common Pleas of Philadelphia County. Civil litigants often hire Jason to serve as a private arbitrator in their matters.
Among his numerous professional affiliations, Jason is the Past President and Board Member of the Pennsylvania Defense Institute (PDI), a 400-member organization comprised of lawyers, insurance company executives, self-insurers, and independent adjusters who are focused on promoting the interests of the civil litigation defense bar. In July 2020 he received the PDI's 'Defense Attorney of the Year' Award for his statewide efforts in conjunction with the plaintiff’s bar to reopen Pennsylvania courts and law offices during the Covid-19 pandemic. He also has received the Defense Research Institute’s Exceptional Performance Citation for 2019-2020. He has participated extensively as a panelist or moderator for various Continuing Legal Education programs. He most recently presented to the Northampton County Bar Association on the topic of Representing Your Client at an Online/Virtual Mediation.
Jason was also an appointed member of the Pennsylvania Bar Association’s Covid-19 Task Force. As one of the civil defense bar representatives, he helped developed processes, technologies and rules recommendations to enable the legal system to continue operations under crisis conditions.
He now serves on the DRI Center for Law and Public Policy task force dedicated to monitoring legislative and rulemaking developments at the state level.
Devoted to community service, Jason is President of Lower Saucon Township Council. His community service on Township Council includes liaison to Landfill, Parks & Recreation, Municipal Police Contract and Active Transportation Committees. He formerly served for ten years as the Chairman of the Lower Saucon Township Zoning Hearing Board, deciding substantive and procedural challenges to the validity of land use ordinances.
Honors & awards
Board of Governors of Bowie State University’s Maguire Academy for Risk Management and Insurance
2025
Top Lawyers of the Lehigh Valley, Litigation
2025
2020 Pennsylvania Trailblazer, The Legal Intelligencer
Pennsylvania Bar Association (PBA) COVID-19 Task Force
Pennsylvania Defense Institute (PDI), Defense Attorney of the Year, 2020
Defense Resource Institute - Exceptional Performance Citation 2019-2020
Pennsylvania Super Lawyer Rising Star
2007-2008
Year joined
2002
Results
Unanimous defense verdict in premises liability civil jury trial under COVID restrictions.
Premises & Retail Liability
May 7, 2021
We obtained a unanimous defense verdict in a civil jury trial in Northampton County, Pa. under COVID restrictions. In this premises liability case, the plaintiff claimed he had slipped on snow and ice on a sidewalk and suffered a comminuted tri-malleolar fracture, requiring two surgeries.
Thought Leadership
Jason Banonis Elected to the Board of Governors of Bowie State University’s Maguire Academy for Risk Management and Insurance
July 17, 2025
Jason Banonis, shareholder in Marshall Dennehey’s King of Prussia office, has been elected to the Board of Governors of the Bowie State University Maguire Academy for Risk Manageme
Marshall Dennehey Signs Pledge as Signator to the Pennsylvania Supreme Court’s Project LITIGATE Initiative
October 29, 2024
Marshall Dennehey is proud to be a signator to Project LITIGATE - Lawyers Initiative To Improve next Gen Attorneys’ Trial Experience - an initiative from the Pennsylvania Supreme Court that has been ratified by the Pennsylvania Conference of Civil
On the Pulse...Thriving ‘Here in Allentown’
June 1, 2019
Defense Digest, Vol. 25, No. 2, June 2019By Jason Banonis, Esq.*
Classes/Seminars Taught
Project Litigate - Panel Discussion, 2024 Pennsylvania Defense Institute (PDI) Annual Conference, Bedford Springs, PA, July 12, 2024
Civil Litigation State of Affairs, The Impact of COVID-19 in New York, Connecticut, Pennsylvania, New Jersey, Florida & What’s Next - Moderator, Marshall Dennehey Client Webinar, June 2021
Civil Litigation Updates in COVID-19 Litigation - Where Do We Stand One Year Later? Marshall Dennehey Webinar, May 2021
How to Represent Your Client in Virtual Mediation, webinar presented by Northampton County Bar Association, May 21, 2020
An Overview of Pennsylvania Law and Effective Litigation Management Strategies, Marshall Dennehey Client Seminar, June 2015
An Overview of Pennsylvania Automobile Liability, Marshall Dennehey Client Seminar, April 2015
Issues and Defenses in Pennsylvania Premises Liability Cases, American National Red Cross' Dedicated Liability Unit, July 2011
Pennsylvania Liability Seminar, Crawford & Company
Pennsylvania Motor Vehicle Liability Seminar, Laidlaw Transit, Inc.
Persuasion, Civility and How Jurors Make Decisions, Panelist and moderator, Pennsylvania Defense Institute North Region Ethics CLE Program
Advanced General Liability Seminar, organizer and moderator, PDI East with federal and state judges
