Sean F. Gallagher
Sean Gallagher is a business trial lawyer who represents plaintiffs and defendants in high-stakes disputes before judges and juries. Since 2020, Sean has been named to the Super Lawyers’ Texas Rising Stars list, which recognizes the state’s top young lawyers and is awarded to only 2.5 percent of eligible attorneys each year. Recently, Sean was also named to Best Lawyers’ 2022 list of “Ones to Watch”—a recognition awarded to attorneys early in their careers for outstanding professional excellence in private practice.
Throughout his career, Sean has represented parties ranging from private citizens to Fortune 500 companies across a broad array of complex issues, including fraud, breach of contract, breach of fiduciary duty, director and officer liability, business divorces, partnership disputes, trademark and copyright disputes, Lanham Act claims, RICO claims, civil rights claims, and False Claims Act litigation. Sean has also argued and briefed multiple issues of first impression that have helped shape the law on some of these issues.
Before joining Jackson Walker, Sean practiced at two nationally-recognized litigation firms, honing his skills as a trial lawyer and obtaining a number of favorable outcomes for his clients, including multiple judgments on behalf of both plaintiffs and defendants.
B.A., with honors, University of Texas at Austin
J.D., University of Texas School of Law
U.S. District Court for the Northern, Eastern, Southern, and Western Districts of Texas
Prior to joining Jackson Walker, Sean’s recent experience included several successful results and high-profile cases, including:
- Serving on the trial team representing AT&T against false advertising claims brought by Sprint challenging AT&T’s nationwide 5G Evolution ad campaign and “5GE” phone indicator in the Southern District of New York
- Successfully argued and obtained an award of summary judgment from the Nevada Bankruptcy Court finding that the client’s $4,102,597.75 debt was nondischargeable due to actual fraud under Section 523(a)(2)(A) of the Bankruptcy Code
- Obtaining a seven-figure plaintiff’s judgment in a fraudulent transfer and alter ego case before the Dallas County District Court (confidential settlement and forbearance agreement entered into post-judgment)
- Obtaining a plaintiff’s judgment, including an award of attorneys’ fees, for breach of contract on behalf of a private real estate investment firm
- Obtaining a take nothing judgment on behalf of a national real estate investment trust
- Briefing certified questions on an issue of first impression to the Nevada Supreme Court as to whether the alter ego doctrine and doctrine of improper dominion and control applied to Nevada entities. The Court rendered a unanimous opinion in favor of their clients. The underlying dispute was also profiled in Forbes
- Best Lawyers: Ones to Watch (Woodward/White Inc.), Commercial Litigation, 2022
- Texas Rising Star, Super Lawyers by Thomson Reuters, 2020-2022
- Acknowledged in Winning at Cross-Examination: A Modern Approach for Depositions & Trial by Shane Read