Stuart H. Sostmann: Lawyer with Marshall Dennehey Warner Coleman & Goggin, P.C.

Stuart H. Sostmann

Stuart H. Sostmann is a shareholder with Marshall, Dennehey, Warner, Coleman & Goggin. His practice is devoted largely to the defense of products liability, premises liability, auto liability, construction law, dram shp, and commercial litigation matters.
Phone(412) 803-1179

Peer Rating
AV® Preeminent

Client Rating

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Experience & Credentials Ratings & Reviews

Practice Areas

  • Product Liability
  • Premise Liability
  • Auto Liability
  • Construction Law
  • Dram Shop
  • Commercial Litigation
University University of Pittsburgh, Pittsburgh, Pennsylvania, B.A., Political Science, cum laude, 1996
Law SchoolUniversity of Pittsburgh School of Law, Pittsburgh, Pennsylvania, J.D., 1999 CALI Future Excellence Award in Federal Income Taxation
Admitted1999, Pennsylvania

Associations & Memberships

Allegheny County Bar Association

•American Bar Association

•Pennsylvania Defense Institute


Stuart joined the law firm of Marshall Dennehey Warner Coleman & Goggin in June of 1998 as a summer associate. Upon graduation, he joined the firm as a full-time associate. He is now as a shareholder in the firm, practicing in the areas of product liability, premises liability, auto liability, construction law, dram shop and commercial litigation. In his career, Stuart has represented manufacturers, suppliers and retailers in product liability matters, including electronics, medical equipment, food products, farm equipment, and sports and recreational equipment. He has tried numerous cases to verdict in counties throughout Western Pennsylvania.

Stuart attended the University of Pittsburgh graduating with a B.A. in Political Science. He then attended the University of Pittsburgh School of Law where he participated in the Appellate Moot Court Program, Student Bar Association and the Health Law Certificate Program. He obtained his juris doctor from the University of Pittsburgh School of Law in May of 1999.

Classes/Seminars Taught

Discoverability and Proper Use of Claim Notes, Berkley Mid-Atlantic, October 2011

Published Works

•Timing Is Everything, Even For Bad Faith Claims, Defense Digest, Feb. Vol. 6, No. 1, 2000

Honors & Awards
•AV Peer Review Rating by LexisNexis Martindale-Hubbell

Year Joined Organization: 1998

Reported CasesSignificant Representative Matters; Successfully argued a precedent-setting case in the Pennsylvania Superior Court where a waiver of subrogation clause in a construction contract was applied to building damages caused by a windstorm three years after the project was completed. ; Successfully defended a product installer at trial in a single vehicle accident, where the placement of the product in the vehicle was claimed to be the cause of the crash at high speed. A defense verdict was obtained after a 5 day jury trial where the demand was $800,000 prior to trial.

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#195 in weekly profile views out of 8,872 lawyers in Pittsburgh, Pennsylvania
#34,065 in weekly profile views out of 1,616,736 total lawyers Overall

Office Information

Stuart H. Sostmann

600 Grant Street, Suite 2900
PittsburghPA 15219


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