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Stuart H. Sostmann

Shareholder
Union Trust Building, Suite 700
501 Grant Street
Pittsburgh, PA 15219
(412) 803-1179
(412) 803-1188 - Fax
shsostmann@mdwcg.com

With almost two decades' experience as a litigator, Stuart concentrates his practice in the area of commercial general liability. He routinely handles high exposure matters in the fields of product liability, premises liability, auto liability, construction law, dram shop and commercial litigation. This includes cases involving personal injuries and property damage claims. Additionally, Stuart serves as the firm's casualty supervising attorney in the Pittsburgh office, ensuring that client matters are handled promptly, professionally and effectively.

In his career, Stuart has represented manufacturers, suppliers and retailers in product liability matters, including electronics, medical equipment, food products, appliances, farm equipment, power tools 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.

Rated  AV® Preeminent™ by LexisNexis Martindale-Hubbell, Stuart is also a member of the Allegheny County Bar Association, American Bar Association and Pennsylvania Defense Institute. He is admitted to practice law in Pennsylvania.

Significant 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.

Classes/Seminars Taught

  • An Overview of Construction Defect Litigation in Pennsylvania, Nationwide Insurance Company, December 16, 2014

  • Commercial Defense Practice in New York, New Jersey & Pennsylvania, Nationwide Insurance Company, December 5, 2014

  • Brief Overview of Pennsylvania Contractual Indemnity and Additional Insured Issues, Nationwide Insurance Company, April 2012

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

Published Works

  • “Yes! Waivers of Liability for Recreational Activities Are Still Effective in Pennsylvania,” Defense Digest, Vol. 23, No. 1, March 2017

  • "Timing Is Everything, Even for Bad Faith Claims," Defense Digest, Vol. 6, No. 1, February 2000 

Education

  • University of Pittsburgh School of Law, Pittsburgh, PA (J.D., 1999)

    Honors: CALI Future Excellence Award in Federal Income Taxation 

  • University of Pittsburgh, Pittsburgh, PA (B.A., 1996)

    Honors: cum laude

    Major: Political Science

Defense Digest Article March 1, 2017
Defense Digest, Vol. 23, No. 1, March 2017 by Stuart H. Sostmann, Esquire Key Points: Conspicuous release language in recreational activity waivers are not against public policy and are not contracts of adhesion. Requiring a signature..., Defense Digest, Vol. 23, No. 1, March 2017. Defense 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 legal...
March 1, 2017
Steven J. Forry and Stuart H. Sostmann, shareholders in the Pittsburgh office of Marshall Dennehey Warner Coleman & Goggin, have been promoted to supervisory roles in their respective practice areas. Mr. Forry has been named Supervisor of the Pittsburgh office's Health Care Department, and Mr....
October 1, 2011
Patrick Reilly and Stu Sostmann (Pittsburgh, PA) recently presented a seminar on "Discoverability and Proper Use of Claim Notes" to our client, Berkley Mid-Atlantic.  (10/11)

Education

  • University of Pittsburgh School of Law (J.D., 1999)
  • University of Pittsburgh (B.A., cum laude, 1996)

Bar Admissions

  • Pennsylvania, 1999

Associations & Memberships

  • Allegheny County Bar Association
  • American Bar Association
  • Pennsylvania Defense Institute, West Regional Director

Honors & Awards

Year Joined Organization: 1998

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