Grant B. Martinez

713.632.8017 | Houston, Texas
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Professional Summary

Grant’s practice focuses on high-stakes commercial litigation and appeals. His experience includes leading and contributing in multi-week jury and bench trials, arbitration hearings, and preliminary injunction hearings. He has developed extensive experience litigating commercial cases under the Texas Citizens Participation Act (TCPA), Texas’ robust anti-SLAPP statute. Grant has briefed and argued disputes at all levels of the federal and state courts, including arguing before the Supreme Court of Connecticut. Clients and co-counsel trust him to help them solve difficult legal issues from beginning to end.

Prior to joining the firm in 2016, Grant practiced with Cravath, Swaine & Moore LLP. He also clerked for the Hon. Diarmuid F. O’Scannlain of the U.S. Court of Appeals for the Ninth Circuit.

Grant is a graduate of Yale Law School, where he was a Comments Editor of the Yale Law Journal, President of the Yale Law & Business Society, and Alumni Chair of the Yale Latino Law Students Association. He served in the Supreme Court Advocacy Clinic and the Civil Liberties & National Security Clinic.

Grant is recognized in commercial litigation in Best Lawyers in America "Ones to Watch" list and as a “Texas Rising Star” by Thomson Reuters' Super Lawyers. He serves as Co-Hiring Attorney for the firm.

Representative Experience
  • M.A. Mills v. Kotts. Secured complete dismissal under the TCPA of $3.8 million breach-of-contract claim against global dairy products company and its owner.
  • Fulcrum Credit v. Kent Int’l. Obtained complete dismissal under the TCPA of breach-of-contract, declaratory judgment, and promissory estoppel claims.
  • America’s Collectibles Network v. Sterling Commerce. Drafted successful briefing in federal district court and Sixth Circuit that saved the client over $25 million; prepared partners for direct and cross-examination in a five-week jury trial on breach of contract and fraud relating to software implementation.
  • U.S. v. American Express. Prepared expert witnesses, fact witnesses, and partners for direct and cross-examination, drafted portions of findings of fact and conclusions of law in a seven-week antitrust trial, which was followed by successful appeals in both the Second Circuit and the U.S. Supreme Court.
  • BTEC v. BNA. Presented witness at temporary injunction hearing; drafted numerous briefs in intra-corporate dispute between members of a Delaware LLC, including successful motions for summary judgment on opposing party’s central claim; currently seeking dismissal of other claims under the TCPA in state appellate court.
  • BMC Software v. IBM Corp. Drafted portions of successful opposition to temporary restraining order; prepared partner for direct and cross-examination in preliminary injunction hearing, resulting in denial of preliminary injunction.
Professional Honors & Affiliations
Presentations & Publications
  • Comment: “Indefinite Detention of Immigrant Information,” 120 Yale Law Journal 667 (2010)
Education & Professional Background
  • Yale Law School, J.D., 2010 (Comments Editor, Yale Law Journal)
  • Stanford University, B.S., Mechanical Engineering, B.A., History, with distinction, 2006 (Phi Beta Kappa, Tau Beta Pi engineering honors society)
  • Law Clerk to The Hon. Diarmuid  F. O’Scannlain, U.S. Circuit Judge for the Ninth Circuit, 2015-2016
  • Admitted to Practice: New York, 2011; Texas, 2017; U.S. District Court, Southern and Western Districts of Texas, 2017; U.S. Court of Appeals for the Ninth Circuit, 2015; Fifth Circuit, 2017; Sixth Circuit, 2018