Preston Glasscock

Preston Glasscock
Biography
Preston Glasscock is a litigator in the Dallas office with a focus on highly complex business disputes. He has a diverse federal and state court practice, and has helped clients through all phases of litigation--including by arguing in front of the Fifth Circuit, the Northern District of Texas and various Texas state courts--across a wide range of subject matters, including contract, employment/non-compete, fiduciary duty, competition, securities, significant injury and white collar criminal law. In particular, clients appreciate Preston's constantly positive attitude and willingness to go above and beyond for victory.
Preston spent his first year after law school clerking in Dallas for the Chief Judge of the Northern District of Texas, the Honorable Barbara M. G. Lynn. Preston is a true Texas lawyer, who grew up around courtrooms and trial lawyers, and is now deeply involved in the DFW legal community.
Preston is admitted to practice before the Supreme Court of the United States, United States Court of Appeals for the Fifth Circuit as well as the United States District Courts for the Eastern, Northern, Southern and Western Districts of Texas.
Professional experience
Representative experience
Representative experience
- Represented health care-focused firm in breach of contract lawsuit to enforce a non-compete against a doctor who brought counterclaims larger than what Preston's client was asking for. Preston, as lead counsel, took all the depositions in the case and used a highly persuasive motion for summary judgment to recover more than the amount the client had asked for, and zeroed out the counterclaims.
- Represented publicly traded manufacturer in breach of contract lawsuit for failure to pay under a series of contracts and acceleration of a debt worth tens of millions of dollars. Preston served as co-lead counsel on the case, fighting off substantial counterclaims, two motions to dismiss, an attempted injunction, and a Fifth Circuit appeal before the case was successfully resolved. Preston was the primary author of the victorious brief at the Fifth Circuit Court of Appeals, and won an oral argument before the trial judge when the opposition attempted to prevent his client from selling millions of dollars in secured collateral while the litigation was pending.
- Represented large multifamily developer in action against sophisticated EB-5 investor regarding many millions the EB-5 company believed it was owed under the parties' agreements. Preston deposed three accountants key to the dispute, obtaining case-critical admissions from each. These accountants were former employees of his client, but Preston handled that sensitivity without issue, and this matter was successfully resolved shortly before trial.
- Represented large alcohol distributor in significant "bet the company" antitrust and contract lawsuits against a new market entrant and the distributor's biggest supplier, respectively. After years of hard-fought litigation, each of these matters were confidentially settled to the great satisfaction of the client.
- Represented former CEO of renewable energy company in lawsuit brought by bankruptcy estate regarding the attempted clawback of payments shortly prior to the bankruptcy that were made to the CEO as well as the CEO. The lawsuit settled out of court and Preston's client was able to keep the money that he had been paid by his employer.
- Used successful "Wells" submission to fight back against, and ultimately prevent, threatened civil and/or criminal charges by the SEC against the former CEO of a Fortune 500 company's large portfolio company.
- Represented lender in breach of contract dispute with debtor. Recovered full amount unpaid plus interest in settlement minutes before trial with the appearing Defendants, and obtained a default judgment against the other Defendants on the record.
- Represented gentleman facing hundreds of years in prison on a pro bono basis due to a court appointment against the Office of the United States Attorney for the Northern District of Texas. Some apparently thought the case was a slam dunk, but Preston drafted a Motion to Dismiss that the Court called a "close call" and which he argued before the United States Court of Appeals for the Fifth Circuit. After some motion and hearing wins by Preston and his team, the Criminal Chief for the Northern District was brought into the case on the eve of trial. Preston and his team negotiated a plea offer with the Government so low that the Court rejected it, and the matter settled at a different agreed number shortly thereafter.
- Represented publicly traded manufacturer in obtaining a rare result in the world of significant injury cases -- a settlement for below the Plaintiff's medical expenses. Critically, Preston took the deposition of the Plaintiff in this case. His questioning brought out many lies and inconsistencies in the Plaintiff's story. These lies and inconsistencies were emphasized at mediation, which ended in an incredible result for his client.
- Represented former members of business partnership and the related entities in a business divorce against Plaintiff who was (1) preventing the sale of a building owned by the business partnership, and (2) trying to exit the partnership in a manner not permitted by the parties' agreements. The matter was resolved shortly before trial in a confidential manner that left the clients highly satisfied.
Rankings and recognitions
Rankings and recognitions
- Texas Rising Stars, Business litigation, Thomson Reuters, 2025
Education
Education
JD, summa cum laude and Order of the Coif, Washington & Lee University School of Law, 2020
- Graduated in the top three people in his class and received awards for having the most outstanding record in the class for Evidence and Administrative Law, respectively
- W&L Black Lung Clinic: Represented coal miners, arguing before an ALJ and submitting an amicus brief to the Supreme Court in California vs. Texas
BA, magna cum laude, History and Philosophy, Austin College, 2017
Admissions
Admissions
- Texas State Bar
Speaking engagements
Speaking engagements
- Your Next 5 Moves: What the Aspiring Law Student Needs to Know
- Presented to the Austin College Pre-Law Society in 2024
- Loper Bright v. Raimando: Supreme Court Mock Argument Presenter
- Presented to Higginbotham Inn of Court in 2024
- Juries: A Case Study of Real Cases in the Sherman Division
- Presented to the Paul Brown Inn of Court in 2025
- E-Discovery Essentials for Employers
- Presented to the Association of Corporate Counsel Symposium in 2025
Memberships and activities
Memberships and activities
- President of the Dallas Division of the Northern District of Texas, Federal Bar Association
- Member, Paul Brown Inn of Court (Eastern District's Sherman Division)
- Member, Eldon B. Mahon Inn of Court (Fort Worth)
- Former member, Patrick E. Higginbotham Inn of Court (Dallas)
- Austin College Alumni Board
- ACT Justice Leadership Council
- American Bar Association
- Dallas Association of Young Lawyers
- Park Cities Presbyterian Church
- Dallas Petroleum Club
- Royal Oaks Country Club