Flaherty  |  Sensabaugh  |  Bonasso   PLLC

John’s Contact Information

304.225.3063 Tel
304.598.0790 Fx


John’s Secretary

Shelli Carpenter


John McCartney joined Flaherty in 2014. His practice focuses on business and commercial litigation, insurance coverage and defense, and general litigation.

“There is a very human side to the practice of law, even in dealing with large corporations or insurance companies, which makes every day a worthwhile challenge. I am passionate about resolving conflict in a manner which satisfies the needs of each client.”

John excels at recognizing the strengths and weaknesses of each case and prepares accordingly. He is objective, a tough negotiator, and able to present viable arguments well.

Practice Concentrations

  • Commercial Litigation
  • Insurance Coverage & Defense
  • General Litigation
  • Predatory Lending/Unfair Debt Collection
  • Consumer Litigation/Breach of Warranty
  • Medical Malpractice
  • Professional Liability



  • J.D., West Virginia University College of Law (2013)
  • B.S. in Business Administration, West Virginia University (2010)


Bar & Court Admissions

  • West Virginia Supreme Court of Appeals
  • United States District Court for the Southern District of West Virginia
  • United States District Court for Northern District of West Virginia
  • West Virginia State Bar
  • Pennsylvania State Bar


Reported Cases

  • Harris v. Q & Associates, Inc., 2018 U.S. Dist. LEXIS 83170 (N.D. W. Va. May 16, 2018)
  • Vincent v. CitiMortgage, Inc., 2017 U.S. Dist. LEXIS 186754 (N.D. W. Va. November 13, 2017)
  • Harris v. Bank of Am., N.A., 2017 U.S. Dist. LEXIS 110459 (S.D. W. Va. July 17, 2017)

Community Involvement

  •  Legal Aid of West Virginia, Summer Fellow (2011 & 2012)


Awards & Honors

  • Best Lawyers: Ones to Watch – Morgantown
    • Commercial Litigation (2021 – 2022)
    • Insurance Law (2021 – 2022)
  • Listed, West Virginia Rising Stars (2019 – 2021)
  • Order of Barristers
  • Moot Court National Team member
  • Phi Sigma Theta National Honor Society



  • “Evolution of Expert Witnesses: From Retention to Presentation at Trial”, West Virginia University College of Law Litigation Seminar (February 2020)