Brian Hauser headshot

Brian Hauser

Partner

Email

brian.hauser@aoshearman.com

Phone

+1 202 508 8005

Offices

Washington DC

V-CARD
Brian is a seasoned antitrust litigator with over a decade of experience representing clients in high-stakes, complex antitrust disputes.  

Brian has provided strategic counsel to leading companies across a wide variety of industries, including healthcare, aviation, technology, financial institutions, and wine and spirits. 

Brian’s practice includes representing clients in federal and state courts, as well as before the Department of Justice and Federal Trade Commission. He has successfully defended clients in major antitrust cases in cases involving challenges to his clients’ use and enforcement of their intellectual property and against allegations of unlawful agreements. His passion for understanding market dynamics and his analytical approach to assessing large records and economic evidence helps his clients achieve favorable litigation outcomes.

Prior to joining the firm, Brian practiced antitrust law at another international law firm. Brian earned his LL.M. in competition law at New York University where he received the Frank T. Diersen Prize for graduating number one in his program.

Experience

Representative matters

  • Health insurers in multidistrict litigation and several opt-out litigations alleging antitrust violations under Sections 1 and 2 of the Sherman Act.
  • Contact lens retailer in parallel government and class action litigations challenging a series of trademark settlements as antitrust violations.
  • Airline in trials against the Department of Justice related to a joint venture and an attempted merger.
  • Video game console manufacturer in a class action litigation challenging its decision to stop selling certain products through retailers as a Section 2 violation.
  • Fintech company in litigation with a terminated reseller challenging its termination as a Section 2 violation and other of its contractual terms as Section 1 violations.
  • Several financial institutions and a financial exchange in various lawsuits challenging the setting of certain interest rates and benchmarks as Section 1 violations.

Published Work

  • Hauser, Brian, Co-author, (2016) “Reinvigorated Antitrust Enforcement: Lessons for Non-Party Witnesses from Recent Merger Litigation,” The Antitrust Source
  • Hauser, Brian, Co-author, (2015) “How a Recent Supreme Court Ruling on Antitrust Laws Could Impact Providers: A Law Review Q&A,” The Daily Briefing, The Advisory Board Company 

Qualifications

Admissions

Attorney-at-Law, Washington D.C.

Attorney-at-Law, Illinois

Academic

LL.M., Competition, Innovation, and Information Law, New York University School of Law

Frank T. Diersen Prize for Top Performance in LL.M. program

J.D., DePaul University College of Law

Staff, DePaul Law Review

Order of the Coif

B.B.A., Accounting, Loyola University Chicago

Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.