Atty. William Joseph Coppol

Atty. William Joseph Coppol

Attorney William Coppol is a partner at the personal injury law firm of Mattiacci Law, LLC. As an attorney with nearly two decades of experience, Bill has a well-earned reputation as an aggressive Philadelphia personal injury lawyer.

Philadelphia Philadelphia 27 yrs experience 27 year
Book Appointment

Profile Summary

About William Joseph Coppol at a glance

William Joseph Coppol is an Attorney based in Philadelphia, Pennsylvania. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on car accidents, wrongful death, personal injury, motorcycle, and slip & fall. Admitted to practice in Pennsylvania (1999), U.S. District Court, Eastern District of Pennsylvania (2002), and U.S. District Court, Middle District of Pennsylvania, U.S. District Court of Appeals, Third Circuit (2006). Educated at Widener University School of Law (J.D., 1999) and West Virginia University (B.S., 1995). Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Attorney William Coppol is a partner at the personal injury law firm of Mattiacci Law, LLC. As an attorney with nearly two decades of experience, Bill has a well-earned reputation as an aggressive Philadelphia personal injury lawyer
  • He has won jury trials in Philadelphia and across Pennsylvania
  • Many of his victories have resulted in multi-million-dollar recoveries for his clients
  • Bill has had many notable victories as a trial lawyer
  • Recently, he was lead counsel in a case that resulted in a recovery of more than $10 million dollars for a client injured in a trucking accident in western Pennsylvania
  • He was also co-counsel in a seven-week trial in Philadelphia that resulted in a verdict of $5.05 million for four victims of a Greyhound bus accident
  • Ultimately, Bill was instrumental in recovering an additional $16 million from that single Greyhound bus crash for the remaining victims
  • In 2019, Bill won a $750,000 verdict in Centre County, Pennsylvania for a client injured in a trucking accident, reinforcing the his ability to win cases throughout Pennsylvania
  • The attributes Bill brings to his practice are many
  • He strives to out-work, out-hustle, and out-perform his adversaries
  • He approaches his cases with compassion for his clients and dedication to their needs
  • He works with his clients to get the best possible outcome and to develop a personal relationship with everyone he represents
  • All of this has made Bill well-respected in the legal community
  • He has been recognized for his skill as a tenacious personal injury lawyer
  • Since 2014, he has been nominated by his peers as a Super Lawyer
  • No more than 5% of the attorneys in Pennsylvania attain this distinction
  • Bill resides in Pennsylvania with his wife, Sarah, and their four children and is very active in his community

Practice Areas Explained

William Joseph Coppol's Areas of Practice

Each practice area below reflects the types of cases William Joseph Coppol handles, with a brief overview of what that area of law covers.

Car Accidents

Hurt in a car crash? Car accident lawyers fight insurance companies for fair compensation — free consult, no fee unless you win.

William Joseph Coppol is one of 36,807 car accidents attorneys indexed nationally. Browse car accidents attorneys in Pennsylvania →

Wrongful Death

William Joseph Coppol is one of 31,253 wrongful death attorneys indexed nationally. Browse wrongful death attorneys in Pennsylvania →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

William Joseph Coppol is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Pennsylvania →

Motorcycle Accidents

William Joseph Coppol is one of 11,237 motorcycle attorneys indexed nationally. Browse motorcycle attorneys in Pennsylvania →

Slip & Fall / Premises Liability

William Joseph Coppol is one of 29,473 slip & fall attorneys indexed nationally. Browse slip & fall attorneys in Pennsylvania →

Jurisdictional Context

Why local counsel matters in Pennsylvania

Practicing law in Pennsylvania. Legal matters in Pennsylvania are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Philadelphia are typically filed in the local municipal court or the appropriate Pennsylvania state district court, depending on subject matter and amount in controversy. An attorney licensed in Pennsylvania brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Pennsylvania courts without local counsel or pro hac vice admission.

Looking for additional Pennsylvania attorneys? Browse all attorneys in Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about William Joseph Coppol

Where is William Joseph Coppol's law office located?
William Joseph Coppol's law practice is located in Philadelphia, Pennsylvania. You can contact the office directly through this profile page.
What practice areas does William Joseph Coppol handle?
William Joseph Coppol focuses on car accidents, wrongful death, personal injury, motorcycle, slip & fall. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has William Joseph Coppol practiced law?
William Joseph Coppol has 27+ years of legal experience and has been licensed since 1999.
Where did William Joseph Coppol go to law school?
William Joseph Coppol earned their education at (J.D., 1999); (B.S., 1995).
How can I contact William Joseph Coppol for a consultation?
You can contact William Joseph Coppol directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Widener University School of Law
- 1999
B.S.
West Virginia University
- 1995

Bar Admissions

Pennsylvania
Admitted: 1999
U.S. District Court, Eastern District of Pennsylvania
Admitted: 2002
U.S. District Court, Middle District of Pennsylvania, U.S. District Court of Appeals, Third Circuit
Admitted: 2006

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.