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Dion G. Rassias



As recognized by American Lawyer Media, “Dion meets that supreme standard of being a ‘lawyer’s lawyer’. That is to say, if I were in trouble, I would want him representing me.”  In a world where everyone claims to be a “trial lawyer”, Dion really is. He has stood victorious in the courtroom in all types of cases, from cases involving catastrophically injured members of our community, to business disputes, complex litigation(s) and insurance matters. As you will see, trying cases is what he does.

Dion has extensive trial and appellate experience in state and federal courts and regulatory agencies throughout the six states where he is admitted to practice. He has tried and settled a growing list of cases which have resulted in multi-million dollar verdicts and settlements, all of which have been collected in full, for people and families who have been catastrophically injured and damaged as the result of medical malpractice, professional malpractice, defamation and false light, products liability, civil rights violations, discrimination and harassment, and related personal injury actions. In addition, he has tried and settled many complex commercial litigations involving business disputes, antitrust claims, contracting disputes, healthcare issues, bank fraud and trade secret litigation. His clients include Taylor Swift, former heavyweight champion Larry Holmes, Baseball Hall of Fame’s Harry Kalas, as well as numerous elected officials throughout the Tri-State area, including Mr. Justice Seamus P. McCaffery, whose lawsuit against The Philadelphia Inquirer has been described as one of the most significant First Amendment cases in the history of Pennsylvania.

Some of the cases Dion has worked on include the following verdicts and settlements:

  • $24 million for an insurance company battling a rival over a contract dispute
  • $18 million in total settlement value for a birth injury in Delaware County
  • $17 million for a local bank against its former law firm and a board member
  • $12.6 million pool for children in a bus collision
  • $7 million for a gas line explosion as a result of negligent digging by a construction backhoe operator
  • $5 million for a parking lot attendant crushed by the booth he was working in
  • $4.5 million for an underride truck/automobile accident in Montgomery County
  • $3.75 million involving medical malpractice and a misdiagnosis of preeclampsia in Delaware County
  • $3.5 million for a medical malpractice birth injury caused by aspirated meconium and prolonged delivery
  • $3.1 million for medical malpractice involving neck surgery
  • $3 million for a tractor trailer/auto underride accident
  • $3 million for medical malpractice involving the removal of tonsils
  • $2.5 million for medical malpractice involving an aortic dissection
  • $2 million for medical malpractice involving a hip replacement
  • $1.9 million in a medical malpractice case involving an overdose of Dilantin
  • $1.8 million for a college student who was hit by a trash truck
  • $1.8 million for medical malpractice involving poor anesthesia care in a hip replacement surgery
  • $1.7 million for the failure to diagnose endocarditis resulting in a stroke
  • $1.65 million for legal/medical malpractice involving a child’s personal injury
  • $1.65 million involving the medical malpractice caused by an overdose of medication by a hospital treating kidney stones
  • $1.5 million in an antitrust case for a physician who was excluded from practice at a Pennsylvania hospital
  • $1.5 million for an intoxicated patron who fell from a third floor hotel balcony
  • $1.5 million for medical malpractice in failing to diagnose a pulmonary embolus
  • $1.2 million for an intersectional collision involving the loss of a spleen
  • $1 million for a one-year imprisonment in a case of false arrest and defamation
  • $1 million as a result of minority shareholder oppression against one of the country’s largest financial services companies
  • $1 million for medical malpractice involving the transfusion of the wrong blood type
  • $1 million pool for several riders in the Duckboat tragedy
  • $900,000 as a result of medical malpractice for the failing to diagnose esophageal cancer
  • $850,000 for an automobile accident on the Blue Route
  • $800,000 in a breach of contract dispute with the Philadelphia Prison System
  • $600,000 for a broken right ankle
  • $500,000 for false imprisonment for three months’ worth of incarceration

In addition to his work on commercial litigations and for catastrophically injured plaintiffs, Dion also represents one of Pennsylvania’s fastest growing domestic insurance companies. He serves as that company’s lead trial counsel on major litigation matters throughout the Commonwealth and defends bad faith claims, civil rights cases, discrimination and harassment, fire and explosion cases, subrogation, general liability claims and coverage disputes.

Dion has a “Superb 10.0” rating from, and has maintained a “preeminent AV” rating from Martindale-Hubbell for three decades. He is a member of The National Trial Lawyers Top 100, and also the Million Dollar Advocates Forum and the Multimillion Dollar Advocates Forum.

Dion has been selected as a Pennsylvania ‘Super Lawyer’ by Philadelphia Magazine and Law & Politics, and has continuing recognitions for being in the Top 100 lawyers in the Commonwealth of Pennsylvania and also the Top 100 of lawyers in Philadelphia since the inception of “Super Lawyers” in 2004. This recognition is based upon a survey of over 34,000 lawyers and judges from the Commonwealth to determine the top 5% of attorneys practicing in Pennsylvania, and can be viewed in the “Ultimate Guide to the Top Lawyers in Pennsylvania”, found at

In July of 2010, Dion was selected to be a Committee Member serving the Disciplinary Board of the Supreme Court of Pennsylvania as a Hearing Officer, where he presides over disciplinary cases and claims brought against lawyers throughout the Commonwealth.

In June of 2010 he was appointed by the Pennsylvania Senate to participate in the Joint State Government’s Commission (Senate Resolution 344 of 2010), to study and investigate the criminal justice system in Philadelphia and to develop solutions for the problems involving high violent crime rates, low conviction rates, the bail system, witness intimidation and other matters of significant and important public interest. This advisory committee is comprised of approximately thirty judges, lawyers and prosecutors.

In October of 2011 and 2007, he served as the moderator for the television coverages of The Pennsylvania Superior Court’s en banc oral arguments at the National Constitution Center. Dion provided case introductions, commentary and analysis of the Court arguments.

From 2002 until 2010, Dion sat as a member of the Architects Licensure Board. Pennsylvania governors Edward G. Rendell, in 2006, and Mark S. Schweiker, in 2002, appointed Dion, with the advice and consent of the Pennsylvania Senate, to serve on the Board for two 4 year terms. This Board, acting under Pennsylvania’s Department of State, is responsible for licensing, investigating and disciplining the Commonwealth’s architects.

In January of 2004, he was appointed by the Pennsylvania Senate as a member of the Joint State Government Commission Task Force on Real Property Law (Senate Resolution 244 of 2002). This Joint Commission is a standing group of attorneys and judges from across the Commonwealth who provide legal experience and advice to assist the General Assembly by recommending improvements and changes to Pennsylvania laws.

In October of 2003, Dion was selected by America Lawyer Media, The Legal Intelligencer and the Pennsylvania Law Weekly, as one of Pennsylvania’s forty best lawyers under the age of 40. This award represents the Pennsylvania legal world’s recognition of lawyers across the state who have worked tirelessly in their professional, personal and civic lives to improve the legal landscape and the future of others.

In May of 2002, he was requested to testify before the Pennsylvania Senate Judiciary Committee on Senate Bill 1376, on Joint and Several Liability. His diverse experience representing corporations, plaintiffs and insurance defendants helped clarify and articulate issues and concerns about the proposed legislation.

In January 2001, he became one of the youngest members ever appointed by the Justices of the Supreme Court of Pennsylvania to serve as a member of the Appellate Court Procedural Rules Committee, the group which drafts and revises the rules which govern appellate practice in Pennsylvania.

Dion has published in Butterworth’s Journal of International Banking and Financial Law, and has been approved by Continuing Legal Education, Inc. to provide continuing education lectures in the states of Pennsylvania, Delaware, Florida, and California.  He has provided accredited CLE for Montgomery County Bar Association and was a Keynote seminar presenter at the 2004 Luzerne County Bench/Bar Seminar on the topic of Appellate practice.

He completed his undergraduate studies in three (3) years at Stanford University and Dickinson College (B.A. 1984). He graduated from Duquesne University School of Law (J.D. 1987), where he was an academic selection to the Law Review, and a two-time trial moot court champion. He is admitted to practice in the bars of Delaware, Pennsylvania, Massachusetts, New Jersey, New York, the District of Columbia, the United States Supreme Court, the United States Court of Claims, and the numerous corresponding Federal Courts in the states where he is admitted. He serves on various professional committees and associations and also maintains an extensive pro bono commitment.

When smart people have done bad things to you, you’ll want someone with Dion’s experience, tenacity and background on your side.