H. Barret Marshall, Jr.

Photo of H. Barret   Marshall, Jr.
4514 Cole Avenue
Suite 500
Dallas, TX 75205-5412

As a Partner in the Dallas office of Hawkins Parnell Thackston & Young LLP, Barret defends clients in complex litigation throughout the country. He is experienced in defending product manufacturers, premises owners and employers through responding to new claims, fact and expert discovery, trial and appeal. He has managed national litigation for large corporate clients, including coordination of national discovery and trial strategies, development of corporate and expert witnesses,training of local counsel in jurisdictions across the country and reporting to in-house counsel and insurance carriers. He also serves as local counsel for a number of clients in Arkansas, Oklahoma and Texas where he maintains licenses.

Always results-oriented, Barret works closely with his clients to develop case specific litigation strategies.  He prides himself on aggressively pursuing innovative and complex pre-trial defenses that have resulted in successful motions for summary judgment, preclusion of opposing expert witnesses and extraordinary interlocutory appellate relief. Barret has served as briefing attorney and trial counsel in a number of state and federal jurisdictions.  He has authored numerous unique dispositive and Daubert/Frye motions that have resulted in summary judgment for his clients. His appellate experience includes interlocutory appeals in California and Arkansas that have resulted in the reversal of trial court orders and the dismissal of claims against his clients.

When not at work, Barret enjoys spending time with his wife and three boys, who are active with him in baseball, basketball, football, soccer, hunting and fishing.


Professional affiliations


“Preparing For Fact & Expert Witness Depositions,”In-House Counsel Training (March 2013)

“The Low Dose Defense,” Defense Research Institute, Asbestos Medicine Seminar (November 2011)

“Opening Statements, The Road To Success,” In-House Counsel Training (June 2011)

“The Devil Is In The Details: Taking A Closer Look At The Scientific Basis For Causation Opinions In Asbestos Cases,” American Conference Institute, Litigating and Managing Asbestos Claims (May 2010)

“Responsible Third Party Practice,” In-House CLE Series(March 2008)

“Effect Of Mobil Oil Corp v. Bailey On CausationRequirements For Asbestos Lung Cancer Claims By Smokers,” In-House CLE Series(April 2006)


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Practice areas


J.D., summa cum laude, Thomas Jefferson School of Law (2005)

B.A., Louisiana State University at Shreveport (2001)

Bar admissions