Hardin Thompson PC
Headshot of Attorney John Zappone

Practice Areas

  • Personal Injury - Defense 25%
  • Insurance Defense 25%
  • Business Litigation 25%
  • Premises Liability 25%


Mr. Zappone is an associate at Hardin Thompson, P.C. His practice includes insurance defense, business litigation, products liability, premises liability, and construction law. Prior to joining Hardin Thompson, P.C., Mr. Zappone was an attorney at a defense firm representing manufacturers in product liability litigation in state and federal courts across the county. He also represented insurance carriers defending claims against their insureds.

Mr. Zappone earned his juris doctor degree from Duquesne University School of Law, where he received CALI Awards in Trial Advocacy and Federal Courts and the Federal System, in addition to being recognized as an Outstanding Oral Advocate. Mr. Zappone obtained his B.A. in Political Science, with a minor in history, from Saint Vincent College.

Mr. Zappone is admitted to practice in the Commonwealth of Pennsylvania and the United States District Court for the Western District of Pennsylvania.


  • Duquesne University School of Law, Pittsburgh, Pennsylvania
    • J.D. - 2014
    • Honors: CALI Awards for Trial Advocacy and Federal Courts and the Federal System; Outstanding Oral Advocate
  • Saint Vincent College, Latrobe
    • B.A. - 2010
    • Major: Political Science

Bar Admissions

  • Pennsylvania, 2014
  • U.S. District Court of Pennsylvania, 2014

Professional Associations

  • Allegheny County Bar Association
  • American Bar Association

Representative Cases

  • Marroquin v. Pfizer, Inc., 367 F. Supp. 3d 1152 (E.D. Cal. 2019), E.D. Cal. , 1:18-cv-974
  • Trias ex rel. M.T. v. QVC, Inc., 498 F. Supp. 3d 614 (E.D. Pa. 2020), E.D. Pa. , 2:20-cv-813
  • Shingledecker v. W. Power Sports, Inc., 512 F. Supp. 3d 604 (W.D. Pa. 2021), 512 F. Supp. 3d 604 (W.D. Pa. 2021), 1:19-cv-17

Pro-Bono Activities

  • Obtain guardianships for low-income individuals over incapacitated family members

Past Positions

  • Pietragallo Gordon Alfano Bosick & Raspanti, LLP, Associate, 2017 to 2022
  • Allegheny County Court of Common Pleas, Law Clerk, 2015 to 2017