Willaim V. Reiss
Overview
William V. Reiss is a partner in the New York office of Crowell & Moring in the Antitrust and Competition Group.
William leverages his class action experience to spearhead direct action affirmative recovery litigation for corporate clients who have been harmed by competitors, suppliers, and strategic partners. He assists clients facing antitrust violations in successfully navigating complex legal challenges to achieve favorable outcomes. William also regularly offers antitrust counseling to corporate clients. William has recovered in excess of $1.2 billion on behalf of his clients in complex antitrust class actions. He served as co-lead counsel on behalf of direct purchasers of Keurig K-Cups in an antitrust class action against Keurig. He also served as court-appointed co-lead counsel in In re Hard Disk Drive Suspension Assemblies Antitrust Litigation (N.D. Cal.) for a certified class of end-user plaintiffs who purchased products containing hard disk drive suspension assemblies that were the subject of an alleged price-fixing conspiracy among the leading manufacturers of suspension assemblies for more than a decade. Reiss also has extensive experience counseling clients on a broad range of antitrust matters across industries.
Career & Education
- The George Washington University, B.A., magna cum laude, Phi Beta Kappa, Political Science and History, 1998
- New York University School of Law, J.D., Staff Editor, Environmental Law Journal , 2001
- New York
- U.S. Court of Appeals for the Sixth Circuit
- U.S. District Court for the Eastern District of New York
- U.S. District Court for the Southern District of New York
Civic
- Young Center for Immigrant Children’s Rights, Board of Directors
- KIND (Kids In Need of Defense), Volunteer Lawyer
Professional
- New York State Bar Association; Antitrust Law Section, Chair (2026-Present), Executive Committee Member (2019-2025), Vice Chair (2025), Secretary (2024), Committee Liaison Officer (2023), Membership Chair (2021-2022)
- American Bar Association Section of Antitrust Law, Member
- American Antitrust Institute, Advisory Board Member
- The Committee to Support the Antitrust Laws (COSAL), Member
- Law360 Competition Editorial Advisory Board (2025)
Willaim's Insights
Firm News | 3 min read | 02.24.26
Crowell & Moring Adds Partner William Reiss to Antitrust Group in New York
New York – February 24, 2026: William Reiss, a first-chair litigator with nearly 25 years of experience in leading complex antitrust class actions, has joined Crowell & Moring as a partner in the firm’s Antitrust and Competition Group in New York.
Recognition
- Chambers USA: Antitrust, Mainly Plaintiff, New York, Band 2, 2021–2025
- Chambers USA: Antitrust, Mainly Plaintiff, New York, Up and Coming, 2020
- Lawdragon: Leading Global Antitrust & Competition Lawyers (2025)
- Benchmark Litigation: New York Future Star (2024–2025)
- Lawdragon: 500 Leading Litigators in America (2023–2026)
- Concurrences: Antitrust Writing Awards: Readers’ Choice Award, Best Business Article Category (2021)
- American Antitrust Institute: Outstanding Antitrust Litigation Achievement in Private Practice Award (2019)
- The National Law Journal: Antitrust and M&A Trailblazer (2018)
- American Antitrust Institute: Outstanding Antitrust Litigation Achievement by a Young Lawyer (2016)
- Law360: Rising Star (2016)
- New York Law Journal: Rising Star (2014)
Willaim's Insights
Firm News | 3 min read | 02.24.26
Crowell & Moring Adds Partner William Reiss to Antitrust Group in New York
New York – February 24, 2026: William Reiss, a first-chair litigator with nearly 25 years of experience in leading complex antitrust class actions, has joined Crowell & Moring as a partner in the firm’s Antitrust and Competition Group in New York.
Willaim's Insights
Firm News | 3 min read | 02.24.26
Crowell & Moring Adds Partner William Reiss to Antitrust Group in New York
New York – February 24, 2026: William Reiss, a first-chair litigator with nearly 25 years of experience in leading complex antitrust class actions, has joined Crowell & Moring as a partner in the firm’s Antitrust and Competition Group in New York.
