Byron Pacheco is a litigation partner in Kirkland’s New York office. His practice focuses on complex commercial disputes, both at the trial court level and on appeal, in a variety of substantive areas, including contract disputes, securities class actions, consumer class actions, corporate governance, founder disputes, fraud, products liability, labor and employment, and securities matters. Byron also counsels public companies and private equity clients on transaction-related litigation risks, providing corporate governance advice and strategic litigation advice on a variety of issues. His clients have included, Abbott Labs, Blackstone, Charlesbank, FirstFire Capital, Harvest Partners, Humana, JUUL Labs, KKR & Co., Lee Enterprises, Melody Capital, Owl Rock Capital Group, Sentinel Capital Partners, Thoma Bravo, Urban Compass, Warburg Pincus and Welspun.



Recognized as a “Future Star” by Benchmark Litigation, 2024

Recognized in “Ones to Watch” by Best Lawyers, 2023–2024

Recognized as Litigator of the Week Runner up by AmLaw’s Litigation Daily, February 2022

Recognized as Litigator of the Week “Shout Out” by AmLaw’s Litigation Daily, March 2022

Memberships & Affiliations

Board of Directors, Stonewall Community Foundation

Puerto Rican Bar Association

New York City Bar Association Associate Leadership Institute Fellow

Leadership Council on Legal Diversity Pathfinder


Admissions & Qualifications

  • New York


  • United States Court of Appeals for the First Circuit
  • United States Court of Appeals for the Second Circuit
  • United States District Court for the District of Colorado
  • United States District Court for the Eastern District of New York
  • United States District Court for the Southern District of New York


  • Stanford Law SchoolJ.D.
    Editor-in-Chief, Stanford Journal of Civil Rights & Civil Liberties
  • Harvard UniversityM.A., Government & Social Policy

    Harvard Graduate School Fellowship

    American Political Science Association Fellowship

  • Hamilton CollegeB.A.cum laude