Loewinsohn Flegle Deary L.L.P.

David R. Deary

David R. Deary

  • Partner
  • 214-572-1702
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David Deary is passionate about his work as a trial lawyer. David’s dedication to his clients — whether a plaintiff or a defendant — has made him a “go to” trial lawyer in high-stakes litigation.

Over the past 16 years, David has earned the reputation as a fierce competitor who is relentless in his pursuit of success for his clients. David’s unsurpassed preparation and attention to detail combined with his ability to dissect complex issues and clearly and persuasively advocate his client’s position to a judge and/or jury has resulted in successful outcomes for his clients in state and federal courts across the country.

As a senior partner in the firm, David has been called upon to represent individuals, partnerships and corporations in complex litigation nationwide. David has a wealth of experience in representing clients in complex litigation involving a wide-range of commercial/business disputes, including but not limited to, contracts, partnerships, professional liability, intellectual property, real estate, tax and accounting, financial/investment and tax shelters. David also has substantial experience representing clients in disputes involving products liability, wrongful death, personal injury and consumer fraud. Finally, David has earned national recognition as lead counsel in several high-profile class action cases.

David was selected to be included in the 2014, 2013, 2012, 2011, 2010, 2009 and 2008 editions of the Best Lawyers in America for Commercial Litigation. The Best Lawyers in America is a listing of the top lawyers in America based on more than two million confidential evaluations of lawyers by lawyers nationwide.

David has been recognized by his peers in Texas as a Texas Super Lawyer in 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006 and 2005.

Practice Areas:

  • General Civil Litigation
  • Complex Commercial/Business
  • Intellectual Property/Patent
  • Tax Shelter
  • Trade Secrets
  • Business Torts
  • Professional Malpractice
  • Pharmaceutical and Medical Device
  • Products Liability
  • Personal Injury
  • Real Estate and Commercial Landlord/Tenant
  • ERISA/Pension Plans

Professional Memberships:

  • Dallas Bar Association
  • American Bar Associations
  • State Bar of Texas


  • 1992, Texas
  • U.S. District Court, Northern, Eastern, Western and Southern Districts of Texas
  • U.S. District Court, Northern District of Illinois
  • U.S. Court of Appeals, Second and Fifth Circuits


David R. Deary graduated from Southern Methodist University in 1984 and received his J.D. from University of Texas at Austin, with honors, in 1991.

Loewinsohn Flegle Deary L.L.P.