Marc Legrand



Education and Clerkships

J.D., Columbia Law School, 2014, Harlan Fiske Stone Scholar; Journal of Environmental Law

B.A., Political Science, Wake Forest University, 2011, summa cum laude; Phi Beta Kappa

  • Judicial Intern to the Honorable John G. Koeltl, U.S. District Court for the Southern District of New York, Spring 2013
  • Legislative Intern in the Office of State Representative Mark Strama, Summer 2009






Marc Legrand is an associate in the Technology Transactions Practice Group. Marc’s practice focuses on helping clients acquire, develop, protect, and monetize valuable intellectual property and technology assets.

Marc drafts and negotiates agreements covering all phases of the commercialization process, from development and testing through marketing and sales. He facilitates transactions including outsourcing, consulting services, SaaS subscriptions, end user and B2B licensing, website and mobile app terms and privacy policies, and referrals. Marc also assists with the intellectual property components of corporate transactions such as identifying and assessing risks and opportunities. Marc has worked with clients in a variety of industries including software, e-commerce, hospitality, aviation, and healthcare.

Before joining Haynes and Boone, Marc studied at Columbia Law School where he was an editor for the Foundation Moot Court program and on the staff of the Columbia Journal of Environmental Law. Marc also spent a semester as a judicial intern to the Hon. John G. Koeltl of the United States District Court for the Southern District of New York.

Marc formerly served as a firm representative for the TACA360°program, which is committed to providing members of nationally recognized companies an in-depth knowledge of the Dallas arts scene in order to promote the arts in the DFW metroplex.

Marc is a native speaker of both English and French.

Selected Publications and Speeches

  • “Developments in Privacy Law: Updates and Best Practices,” speaker, Haynes and Boone In The Loop CLE Lunch Series, October 18, 2018.
  • “IoT in air cargo: making cargo talk!,” panelist, IATA’s 12th World Cargo Symposium, March 15, 2018.

Professional Recognition

  • Included in the "Ones to Watch" category of Best Lawyers in America, Woodward/White, Inc., 2021


Haynes and Boone Advises Rmax Operating in Sale to Sika

A team of Haynes and Boone lawyers from three offices advised Rmax Operating, LLC, a market leader in building insulation technology for more than 37 years, in its agreement to be sold to Sika Corporation.

Law 360

Gavin George and Marc Legrand in Law360: Franchisors Must Find the Right Data Security Balance

In recent years, a number of franchisors have fallen victim to data breaches, including Jimmy John’s, Dairy Queen, The UPS Store, Wyndham and SuperValu. Between lost goodwill, the cost of investigating and responding to the breach, private lawsuits, and government enforcement actions, it’s no surprise that such data breaches are expensive. In 2014, the Ponemon Institute estimated that U.S. organizations paid an average of $5.9 million dollars per data breach...

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