Pittsburgh Criminal Defense Attorneys

Fierce legal defense for people facing serious criminal charges

We advocate for clients in Western Pennsylvania and federal courts nationwide.

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If you’re facing criminal charges, you need compassionate guidance, a sophisticated defense, and unwavering representation.

William (Bill) Difenderfer and Philip Quinn | Criminal Defense Attorneys

Difenderfer Law is led by Pittsburgh attorney William “Bill” Difenderfer, known for his fierce advocacy on behalf of high-profile clients and individuals charged in challenging criminal cases in both the state and federal court systems.

Whether you’re dealing with a traffic violation or serious felony charge, you deserve skilled, experienced attorneys who provide personalized legal solutions designed to secure the best possible outcome.

  • Comprehensive and effective legal strategies, backed by adept trial attorneys
  • A history of favorable outcomes, with expertise in securing fair trials
  • An honest, empathetic, and responsive team dedicated to your case
  • Respected by local and regional judges, peers, law enforcement, and clients
Our Attorneys

Criminal Defense Practice Areas

At Difenderfer Law, our team of criminal defense attorneys represent cases from summary offenses and misdemeanors to federal felonies.

DUI and drunk driving

DUI & Drunk Driving

drugs

Drug Crimes

federal court

Federal Crimes

homicide

Homicide

sec crimes

Sex Crimes

theft

Theft Crimes

handcuffs

Violent Crimes

white collar crime

White-Collar Crimes

Real Results

“Diff (Bill Difenderfer) is by far the greatest, most intelligent attorney in Pennsylvania. He’s so smart and knowledgeable that you just know you’re in the most capable hands when he he takes on your case. He’s an honest genuine human being as well.”
L.D.

“William Difenderfer is the go to attorney for any and all of your criminal needs. I’ve known Bill many years and has always come through for me and my family! He’s an amazing man and very intelligent, polite and loves family and their well being! He does what he says and follows through!”

T.A.
criminal charges

Criminal charges impact the entire family.

We put your needs first, offering results-focused representation that influences the outcome of your case — and the impact it has on your life.