Matthew R. Mellon

Matthew R.Mellon

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Matthew “Matt” Mellon is an Associate at Deasey, Mahoney & Valentini, Ltd. Matt represents clients in claims involving general liability, as well as automotive liability,  premises liability, products liability, and construction defect/injury.

As a former prosecutor, Matt has gained significant experience as a litigator. During his tenure as an Assistant District Attorney, Matt successfully tried numerous cases before both judges and juries.  Matt prosecuted over two dozen jury trials to verdict and has argued before the Superior Court of Pennsylvania.

Matt knows from experience that success in the courtroom is paramount when handling a client’s case.


  • Deasey, Mahoney & Valentini, LTD, 2019-present
  • The Lebanon County District Attorney’s Office, 2016-2019

Professional Affiliations

  • Pennsylvania Bar Association