Law Offices of Jack McMahon – Philadelphia, PA

Philadelphia’s Premier Criminal Defense Attorney

With over 40 years of formidable experience, Jack McMahon stands as one of Philadelphia’s most high-profile, skilled, and respected trial lawyers. His firm, the Law Offices of Jack McMahon, is exclusively dedicated to providing an aggressive and strategic defense for individuals facing serious state and federal criminal charges. Mr. McMahon’s career is built on a foundation of deep trial experience, having served 12 years in the Philadelphia District Attorney’s office, with 8 of those years in the elite Homicide Unit. Since entering private practice in 1990, he has focused solely on criminal defense, bringing his profound understanding of prosecution tactics to the benefit of his clients. His philosophy is clear: a great lawyer combines skill with relentless hard work and preparation to ensure every client receives the most robust defense possible.

Comprehensive Criminal Defense Legal Services

The firm provides top-tier legal representation across a wide spectrum of criminal law. We understand the gravity of a criminal accusation and the profound impact it can have on your life, freedom, and future. Our practice is built to handle the most complex and challenging cases, ensuring that every client’s rights are protected at every stage of the legal process. We have a proven track record of success in courtrooms across Pennsylvania and in federal courts nationwide.

• Violent Crime Defense Lawyers: We have extensive experience defending clients against the most serious charges, including homicide, assault, and robbery. Mr. McMahon’s background as a homicide prosecutor provides him with unparalleled insight into how these cases are built and how to effectively dismantle them.
• Drug Crime Defense Lawyers: Our firm handles complex state and federal drug cases, from simple possession to large-scale trafficking and conspiracy charges. We meticulously scrutinize the evidence, challenge search and seizure procedures, and fight to protect our clients from severe penalties.
• Federal Criminal Defense: Federal court is a unique and challenging jurisdiction. We are adept at defending clients against a wide array of federal offenses, including RICCO violations, insurance fraud, mail fraud, investment fraud, and criminal civil rights violations.
• Appeals: An unfavorable verdict is not always the end of the road. We handle criminal appeals in both state and federal appellate courts, including the Superior and Supreme Courts of Pennsylvania and the Federal Circuit Courts.

A Battle-Tested Advocate for the Accused

Jack McMahon’s reputation as a tenacious trial attorney is well-earned. He has tried jury cases in numerous counties across Pennsylvania and in federal courts from Philadelphia to Miami and New York. His clients are diverse, including law enforcement officers, politicians, doctors, executives, and alleged organized crime figures. This breadth of experience demonstrates his ability to handle any case, no matter how high the profile or how complex the circumstances. When your freedom is on the line, you need a lawyer who is not intimidated by the government or the courtroom. Why choose our firm?

• Unmatched Experience: Decades of experience, first as a prosecutor and then as a defense attorney.
• Proven Results: A long history of successfully defending clients in high-stakes cases.
• Aggressive Representation: A commitment to fighting tirelessly for every client’s rights and freedom.
• Strategic Defense: A deep understanding of legal strategy and trial tactics, used to your advantage.

If you or a loved one is facing a serious criminal investigation or charges, do not hesitate to secure elite legal representation. Contact the Law Offices of Jack McMahon to ensure you have a powerful advocate in your corner.