David C. Greenstone

David C. Greenstone


Simon Greenstone Panatier PC

Recognized since 2026

Dallas, Texas

Practice Areas

Mass Tort Litigation / Class Actions - Plaintiffs

Personal Injury Litigation - Plaintiffs

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David C. Greenstone is an experienced trial lawyer and a founding member of Simon Greenstone Panatier, PC. Mr. Greenstone has been the Managing Shareholder of the firm since its inception in 2006.

Mr. Greenstone has spent more than two decades fighting in court on behalf of those who have been harmed by the negligence and recklessness of others. Passionate about representing clients through trial work, David tried his first case within six months of getting his law license. He was trying cases as a first chair within a year.

Throughout his career, David has tried cases all over the country in both state and federal court. He has obtained numerous significant and ground breaking verdicts on behalf of his clients in various different types of litigation, including asbestos, talc, pharmaceuticals, product liability and other catastrophic injuries. David strongly believes that jury trials can make a positive impact on our society and that they are critical for the protection of public health and safety, and his verdicts have been nationally recognized for their importance.

In addition to his trial work, David is proud of the work he has done helping to build Simon Greenstone Panatier, PC into a national trial powerhouse. He and his partners have dedicated their careers to helping clients who have been injured and who would not otherwise have a voice. As the Managing Shareholder since the founding of the firm, David has helped to organize a team that has effectively represented thousands of clients in many different types of cases, in most of the states in the continental US.

Mr. Greenstone is a member of the prestigious American Board of Trial Advocates (ABOTA). He is also a board member of the Texas Trial Lawyers Association, and he has been honored consistently and for many years as a Texas Super Lawyer.

David and his partners feel strongly about the importance of giving back to their community. In furtherance of this commitment, the Simon Greenstone Panatier Scholarship was created to help students who are dealing with cancer in their own families. The firm also supports the critical work of the North Texas Food Bank, and David has served as a co-chair of the NTFB Partners for Hope campaign. In addition, the firm supports and has participated in the Dallas Volunteer Attorney Program.

Location
  • 901 Main Street, Suite 5900
    Dallas, TX 75202
Education
  • The University of Texas, J.D., cum laude, graduated 1998
  • The University of Texas, B.A., summa cum laude, graduated 1995
Bar Admissions
  • California, The State Bar of California
  • New York, New York State Bar Association
  • Texas, State Bar of Texas
Affiliations
  • Texas Trial Lawyers Association - Board Member
  • American Board of Trial Advocates - Member
Court Admissions
  • United States Court of Appeals for the 7th Circuit
  • United States District Court for the Southern District of Texas
  • United States District Court for the Northern District of Texas

Recognized in The Best Lawyers in America® 2026 for work in:
  • Mass Tort Litigation / Class Actions - Plaintiffs
  • Personal Injury Litigation - Plaintiffs
Awards:
  • Best Lawyers in America (2026)

  • The American Board of Trial Advocates (2014-Present)

  • Texas Super Lawyers by Thomson Reuters (2013-Present)

  • Lawdragon 500 Leading Plaintiff Consumer Lawyers (2023-2024)

  • National Trial Lawyers, Top 100 Trial Lawyers Award (2014-2023)

  • American Academy of Trial Attorneys, Premier Attorney Award (2015)

  • Texas Rising Stars by Thomson Reuters (2005-2013)

  • Top 50 Verdicts in California Award by TopVerdict.com (2015) – Winkel v. Colgate-Palmolive Co.

  • Top Verdict in Arizona Award by TopVerdict.com – All Practice Areas (2016) – Coulbourn v. Crane Co. et al.

  • Top 20 Verdict in California Award by TopVerdict.Com – All Practice Areas (2018) – Anderson v. Johnson & Johnson

  • Top 50 Verdicts in the United States Award by TopVerdict.com – Personal Injury (2019) – Cabibi v. Johnson & Johnson, et al.

  • Top 10 Verdicts in the United States Award by TopVerdict.com – Asbestos Exposure (2019) – Cabibi v. Johnson & Johnson, et al

  • Lawdragon 500 Leading Plaintiff Consumer Lawyers, 2021

Publications

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