Joshua F. McMahon

Joshua F. McMahon

Joshua F. McMahon


Phone: 908.233.4840  | Ext. 201
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Joshua F. McMahon co-founded the Firm in 2015, after nearly a decade as a leading Union County Assistant Prosecutor and associate in a high-end, boutique criminal litigation Firm, where he was trained by a former award-winning Federal prosecutor. Mr. McMahon specializes in complex and serious federal, state and municipal criminal matters.

Out of nearly 100,000 lawyers in the State of New Jersey, Mr. McMahon is 1 of only 8 criminal defense attorneys Certified by the Supreme Court of New Jersey as a Criminal Trial Attorney in Union County, New Jersey.  As 1 of just 8, Mr. McMahon now uses his extensive investigative, trial and appellate experience acquired while a leading prosecutor to defend individuals charged in federal, state and municipal courts throughout New Jersey and New York.

While an Assistant Prosecutor, Mr. McMahon successfully tried more major felony jury trials to verdict than any other criminal attorney in Union County, New Jersey, including numerous high-profile victories that have been featured in various newspaper and media outlets, including The Star-Ledger, Associated Press, and CBS 2 News, NBC 4 News, and 7ABC news, amongst other outlets.

To date, not a single one of Mr. McMahon’s major crime’s convictions have ever been reversed by a Higher Court.

During his eight years with the Union County Prosecutor’s Office, Mr. McMahon developed expertise and experience handling a full range of complex criminal litigation including investigations, arrests, bail, plea bargaining, pre-trial motion practice, jury trials, sentencing, and appeals. Aside from major violent crimes, including murder, carjacking, and assault, Mr. McMahon has extensive experience with weapons, narcotics and white-collar cases.

Chosen as a Rising Star by Superlawyers in his very first year of eligibility, a feat earned by less than 2.5% of the attorneys in this State, Mr. McMahon combines his breadth of experience and record of success in high-stakes litigation to bring to bear the skills Mr. McMahon acquired as a leading Assistant Prosecutor on behalf of Schiller McMahon’s clients.

Not just an incredibly accomplished trial lawyer, Mr. McMahon has authored numerous legal briefs that have led to major successes in motions and appeals before Second Circuit Court of Appeals, New Jersey Appellate Division, and federal and state trial courts in New Jersey, New York and Massachusetts. Mr. McMahon’s ability to successfully litigate motions, try cases before juries and author appeals gives his clients the added confidence that Mr. McMahon can literally handle every single aspect of criminal litigation at an incredibly high level.

An unwavering commitment to solving his client’s problems, in conjunction with his work ethic and knowledge of the law, courts, police and prosecutors, gives Mr. McMahon’s clients a special edge. His aggressive, attention-to-detail-oriented approach to criminal litigation has led to countless successes before some of the most prominent judges in the state.

In his spare time, Mr. McMahon can be found in a classroom, where he has taught as an adjunct for nearly 15 years, beginning while he was a law student at John Jay College in New York City, and more recently at Kean University and Union County College, where he teaches Government, Criminal Justice and Politics.



  • New York (2005)
  • New Jersey (2005)
  • United States District Court—New Jersey (2005)
  • United States Supreme Court (2012)
  • United States District Court—S.D.N.Y & E.D.N.Y (2013)


  • Certified by the Supreme Court of New Jersey as a Criminal Trial Attorney


Fordham University—School of Law
Juris Doctor (J.D.), 2005

  • Louis Stein Public Interest Scholar
  • Member, Fordham Moot Court Board
  • Member, Intellectual Property Journal
  • Recipient, Archibald Murray Award
  • Contributor, Public Service In a Time of Crisis Report
  • Founder, American Law Student Association

Fordham University—Graduate School of Arts & Sciences
Master of Arts (M.A.), International Affairs, 2005

  • Member, International Relations Honor Society

Emory University, Bachelor of Arts (B.A.), Double Major Philosophy & Sociology, 2001

  • Pitcher, Emory University Baseball
  • Member, Alpha Kappa Delta Honor Society
  • Philanthropy Chair, Pi Kappa Alpha