Hausfeld LLP > Washington DC, United States > Firm Profile

Hausfeld LLP
888 16th Street NW
Suite 300
Washington, DC 20006
United States

Antitrust > Civil litigation/class actions: plaintiff Tier 1

Described by a client as ‘very tenacious and appropriately aggressive, with great client relations skills’,  Hausfeld LLP enjoys a stellar reputation in the antitrust space and is regularly praised for its European and global plaintiff-side antitrust practice alongside its work in the US. Clients including PepsiCo, BMW, and individual plaintiffs turn to the firm for issues surrounding price-fixing, monopolization and other antitrust related class actions. The team is led by a duo consisting of New York-based Scott Martin and Bonny Sweeney, who is located in the firm’s San Francisco office. ‘Fierce advocate and stand-out partner’ Megan Jones focuses on recovering damages in light of antitrust cartels for price-fixing, tying, restraints of trade and other unlawful competition matters out of San Francisco. Michael Hausfeld, Brian Ratner and Melinda Coolidge – all based in Washington DC – are recognized for their strong plaintiff-side practices across a variety of industries.

Practice head(s):

Scott Martin; Bonny Sweeney


‘Hausfeld is a top-tier plaintiffs’ antitrust firm. They are very tenacious and appropriately aggressive, with great client relations skills.’

‘Likeable, trustworthy, professional competence of a high level, tough litigators.’

‘Hausfeld is unique in that it has a global plaintiffs practice, Michael Hausfeld is extremely creative and one of the best antitrust lawyers in the country. They have done a great job developing and empowering a highly diverse group of younger attorneys.’

‘Strong plaintiffs’ side practice with very experienced antitrust litigators.’

‘The team consistently provides worldclass advice in all projects we are working with them, is outsmarting other law firms involved, very proactive and very pleasant to work with – so overall simply the best in its field.’

‘The Hausfeld attorneys with whom I work have an outstanding grasp of both the larger issues in the case and the relevant details. They also keep me in the loop on developments while avoiding unnecessary calls and emails.’

‘Hausfeld is a fearless group that invests heavily in international private enforcement. Michael Hausfeld has created his legacy with his European dominance.’

‘Megan Jones is a fierce advocate and a stand-out partner.’

Key clients

Louisiana Pacific


Phhhoto Inc.

District of Columbia Attorney General






Peabody Energy

Suzuki Motor Corporation



SIMS Metal Management

Praxair (now Linde)

Deutsche Bahn

American Honda Motor Company

Suez Environmental SA

Hertz Europe

Metro AG



U.S. Silica Company


Work highlights

  • Representing a proposed class of individuals and businesses that pay Blue Cross Blue Shield entities for health insurance (“subscriber plaintiffs”) in a case alleging that Blue Cross/Blue Shield entities across the country entered into agreements not to compete with each other for customers of health insurance.
  • Representing a class of purchasers of contact lenses in a lawsuit against the four leading manufacturers of disposable contact lenses, and the dominant distributor, ABB Optical Group, alleging that the defendants joined horizontal and vertical conspiracies to adopt, implement, and enforce resale price maintenance policies.
  • Representing a class of broiler chicken growers in which the plaintiffs allege that poultry companies formed a nationwide conspiracy to suppress and maintain broiler chicken growers’ compensation below competitive levels.

Hausfeld is a leading disputes-only firm with 12 offices located throughout the US (Boston, New York, Philadelphia, San Francisco, and Washington, DC) the UK (London), and continental Europe (Amsterdam, Berlin, Brussels, Düsseldorf, Paris, and Stockholm). Our global reach means we can litigate in jurisdictions that suit our clients best. We are also experienced in mediation and arbitration.

Hausfeld brings a visionary approach to resolving claims, whether that is for a single client or a group working collectively. As a leader in pioneering legal actions for damages, Hausfeld innovates by pushing further – the firm tenaciously focuses on results, and achieves pragmatic conclusions. Hausfeld lawyers have achieved some of the largest landmark settlements and judgments in our areas of practice, often after hard-fought litigation against the biggest names in the legal market. Socially minded and a champion for the best corporate governance, our lawyers are at the forefront of the legal profession in improving access to justice for both individuals and businesses. That makes for a profoundly different law firm.

The Hausfeld team comprises highly experienced litigators with a proven track record in claimant litigation in the areas of:

  • Antitrust/competition
  • Commercial and financial disputes
  • Environmental law
  • Human rights
  • Product liability
  • Technology and data breach

Hausfeld’s clients include some of the world’s largest corporations in myriad industries, including current clients listed on the Fortune Global 500 and Forbes Global 2000. Hausfeld is reputed for its claimant-friendly, dynamic, entrepreneurial, and innovative approach to dispute resolution. For more information about the firm, including recent trial victories and landmark settlements, please visit