On the criminal side, he has tried to verdict cases involving bank fraud, public corruption, copyright infringement, aggravated sexual assault, and kidnapping.
[5] He later attended The University of Texas School of Law in Austin, also graduating magna cum laude in 1986.
The case involved more than $200 million in fraud[7] Melsheimer helped obtain one of the largest RICO verdicts in Texas history.
[11] Melsheimer’s numerous courtroom wins include notable civil and commercial litigation cases, as well as high-stakes patent infringement disputes.
In addition, he has served as lead counsel or co-counsel in five cases included in The National Law Journal’s Top Verdicts of the Year for 1998, 2005, 2006, 2007 and 2009.
[14] In 2022, Melsheimer represented Kent Thiry, the former CEO of the health care giant, DaVita, Inc, in the defense of a "no poach agreement" alleged to be a criminal horizontal market allocation under Section 1 of the Sherman Act.
After an 8 day jury trial in federal court in Denver, the jury acquitted Melsheimer's client on all counts, handing the Department of Justice a significant setback in its efforts to prosecute criminal antitrust cases arising out of alleged anticompetitive conduct in the labor markets.
[15] In 2020, Melsheimer was counsel for whistleblowers Dr. Mitchell Magee and Dr. Todd Dewey in a qui tam Medicare fraud case filed in the Eastern District of Texas alleging Texas Heart Hospital of the Southwest LLP and others violated the federal anti-kickback law, the physician self-referral law, and related statutes.
Magee and Dewey and their counsel for uncovering the financial arrangement between the hospital and various physicians which led to the ultimate settlement.
[16][17] In 2019, Melsheimer represented Dr. Nick Nicholson, a nationally prominent bariatric surgeon, and one of twenty-one defendants in an indictment alleging a massive conspiracy to pay and receive $40 million in health care bribes and kickbacks in connection with Forest Park Medical Center, a boutique surgical hospital.
[18][19] In 2013, Melsheimer served as lead trial counsel in the successful defense of Texas billionaire Mark Cuban in an insider trading fraud lawsuit filed by the U.S. Securities and Exchange Commission.
[33] In 2018, 2019 and 2020 Chambers USA named him a leading Texas Trial Lawyer in Intellectual Property, General Commercial Litigation, and White-Collar Crime & Government Investigations.