Firm Profile > Hausfeld LLP > Washington DC, United States

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

Antitrust > Civil litigation/class actions: plaintiff Tier 1

Cited as the ‘pre-eminent antitrust litigation practice on the claimant side in Europe’, Hausfeld LLP also remains a go-to for plaintiff antitrust actions in the US, with offices and dedicated antitrust litigators dotted across the country. Presiding over the practice group are Bonny Sweeney in San Francisco and Scott Martin in New York, the latter of whom is singled out for his multifaceted practice, which includes ‘complex federal multi-district actions, class actions involving direct and indirect purchasers, parens patriae cases’. Stationed in the firm’s DC office is talismanic founding chairman Michael Hausfeld, one of most sought-after names in plaintiff-side actions in the US, and an expert in cases involving monopolization, tie-ins, exclusive dealing and price-fixing. In San Francisco, Megan Jones stands out for her expertise in antitrust cartels, regularly procuring settlements for clients. Other names to note are the 'very smart and responsive' Melinda Coolidge and the 'commercially minded' Brian Ratner, both of whom work from the firm's hub in Washington DC.

Practice head(s):

Scott Martin; Bonny Sweeney

Other key lawyers:


‘Hausfeld has a first-class team of plaintiffs-side antitrust litigators, many of whom previously practised on the defense side.’

‘Hausfeld LLP has built an outstanding international antitrust practice. Its lawyers are top-notch in all respects and particularly expert in everything about antitrust law.’

‘It is the pre-eminent antitrust litigation practice on the claimant side in Europe.’

‘The team is incredibly effective in handling our most pressing commercial matters. They are immediately responsive, savvy, commercial, and can boil down extremely complex matters into easily digestible and thoughtfully articulated solutions.’

‘The team at Hausfeld is at or above the pinnacle of all firms in its practice area. They are always available and work with clients to customize legal services in a way that makes you feel they are a partner and not a service provider concentrated on fee collection.’

‘Hausfeld LLP is a law firm that has an unusual mix of being both commercially minded and legally capable. Beyond that, they are simply pleasant to work with, which is important in complex, potentially long-running litigation.’

‘Melinda Coolidge is easy to work with and very smart and responsive.’

‘Scott’s practice extends to bench and jury trials in both federal and state courts, complex federal multidistrict actions, class actions involving direct and indirect purchasers, parens patriae cases, FTC and DOJ investigations as well as other regulatory actions, and qui tam litigation.’

Key clients




Peabody Energy

Suzuki Motor Corporation



Praxair (now Linde)

Deutsche Bahn

American Honda Motor Company

Suez Environmental SA



Hertz Europe

Metro AG


Suffolk County Water Authority


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

Photo Name Position Profile
 Melinda R. Coolidge  photo Melinda R. Coolidge Partner
 Michael D. Hausfeld  photo Michael D. Hausfeld Chairman
 Brian A. Ratner  photo Brian A. Ratner Partner & Vice-Chair