Christopher N. Santoro: Lawyer with Marshall Dennehey Warner Coleman & Goggin, P.C.

Christopher N. Santoro

Christopher N. Santoro is a shareholder with Marshall, Dennehey, Warner, Coleman & Goggin. His practice is devoted largely to toxic tort, products liability, motor vehicle, construction law, medical malpractice, property damage, personal injury, and premises liability litigation.
Phone(215) 575-2589

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AV® Preeminent

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Practice Areas

  • Environmental & Toxic Tort
  • Product Liability
  • Motor Vehicle
  • Architects / Engineers / Construction Law
  • Medical Malpractice
  • Property Damage
  • Personal Injury
  • Premises Liability
University La Salle University, B.A., cum laude, 1981
Law SchoolTemple University School of Law, Philadelphia, Pennsylvania, J.D., 1984
Admitted1984, Pennsylvania; U.S. District Court Eastern District of Pennsylvania; U.S. District Court Western District of Pennsylvania

Associations & Memberships
•American Bar Association
•American Board of Trial Advocates, Diplomat
•Pennsylvania Bar Association
•Pennsylvania Defense Institute
•Philadelphia Bar Association



Chris has over 20 years of litigation experience handling major casualty, toxic tort, and product liability matters. He has particular expertise in handling toxic tort matters involving exposure to alleged hazardous substances and has successfully defended major corporations in hundreds of cases at the trial level. Since joining Marshall Dennehey in 2002, Chris has expanded his practice to handling matters involving asbestos, silica, vinyl chloride, benzene, lead, cadmium, legionella, various dusts, lubricants, and other allegedly hazardous materials. He continues to be an active trial lawyer and has tried over 150 jury trials to verdict.

Chris began his career as an associate at Krusen Evans & Byrne and settled upon a defense practice focusing on product liability, personal injury, property damage, and toxic tort matters. He gained experience handling a wide variety of matters and tried numerous jury trials to verdict.

In 1989, Chris was instrumental in forming a firm that concentrated in toxic tort matters, and the firm quickly established itself as one of the leading firms in asbestos litigation. He served as the managing partner for eleven years. The firm rapidly grew under his leadership. It was during this time that Chris concentrated his practice in the field of toxic torts and quickly became one of the most active and successful toxic tort trial lawyers. Representing Owens Corning, he served as lead trial counsel in the Philadelphia area asbestos litigation. In addition, he participated in the development of strategies and techniques for the handling of complex, multi-party toxic tort litigation.

At the request of various clients, Chris has organized and/or given presentations at various seminars. In addition, he has lectured on a variety of topics involving trial techniques and has participated in numerous CLE seminars. He has published in the Pennsylvania Defense Institute's official newsletter Counterpoint.

Classes/Seminars Taught

Defending Household Exposure Cases, Mealey's National Asbestos SuperConference, Phoenix, AZ, September 2008

Defending Toxic Tort Cases, AIG Environmental Unit, New York, NY, November 2007

Silca Litigation and Assembly Line Diagnosing, AIG Domestic Claims Toxic Tort Unit, May 2006

Opening Statements, Marshall Dennehey Trial Advocacy Class, May 2006

Trying The Automobile Brake Case, Goodyear Tire & Rubber National Counsel Meeting, San Diego, CA, October 2005

Cross Examination, Marshall Dennehey Trial Advocacy Class, October 2005 and October 2006

Published Works

• Tooey Is Not Just a Bunch of “Hooey”- Practical Tactics for Defending an Employer in the Realm of Toxic Tort Litigation, Defense Digest, Vol. 20, No. 3, September 2014, co-author

•The Dose Is the Poison --The Pennsylvania Supreme Court Questions the 'Each and Every Breath' or 'Any Exposure' Theory, Defense Digest, Vol. 14, No. 2, June 2008

•Assumption of Risk in Product Liability, Counterpoint, April 1989

Honors & Awards
•American Board of Trial Advocates
• AV Preeminent by LexisNexis Martindale-Hubbell
•Disciplinary Board of the Supreme Court of Pennsylvania, Hearing Committee Member
•Pennsylvania Super Lawyer, 2006-2007

Year Joined Organization



Tooey Is Not Just a Bunch of “Hooey”- Practical Tactics for Defending an Employer in the Realm of Toxic Tort Litigation

Defense Digest Article • September 1, 2014
By Christopher N. Santoro, Esq. and Christine P. Dower, Esq.*Key Points:Since Tooey, which allowed employees who develop latent occupational diseases to file common law actions against employers, litigation against employers in..., Defense Digest, Vol. 20, No. 3, September 2014Defense Digest is prepared by Marshall Dennehey Warner Coleman & Goggin to provide information on recent legal developments of interest to our readers. This publication is not intended to provide...

Reported CasesRepresentative Cases: O'Kane v. Safeway Steel Products, Inc., 1988 WL 54024 (Fed Dist Low ATL PA 3 1988); Golden v. Williard Co., 521 Pa. 528, 557 A.2d (1989); Bittinger v. Owens-Corning Fiberglass Corp., 1986 WL 14195 (E.D.Pa 1986); Published Works: The Dose Is The Poison --The Pennsylvania Supreme Court Questions The 'Each And Every Breath' Or 'Any Exposure' Theory, Defense Digest, Vol. 14, No. 2, June 2008; Assumption of Risk in Product Liability, Counterpoint, April 1989

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Tooey Is Not Just A Bunch Of “Hooey”— Practical Tactics for Defending an Employer in The Realm of Toxic Tort Litigation
Christine P. Dower,Christopher N. Santoro, September 30, 2014
The Pennsylvania Supreme Court’s ruling in Tooey v. A.K. Steel Corp., 81 A.3d 851 (Pa. 2013) represents a significant shift in Pennsylvania law. In the wake of Tooey, new companies are being targeted and new theories of liability are being raised in toxic tort cases filed throughout the...

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Office Information

Christopher N. Santoro

2000 Market Street, Suite 2300
PhiladelphiaPA 19103


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