Jeremy Calsyn

Cleary Gottlieb Steen & Hamilton LLP

Jeremy J. Calsyn’s practice focuses on the full range of antitrust matters, including merger review, criminal and civil government investigations, and litigation, including complex class actions. Jeremy joined the firm in 1999 and became partner in 2008.

Jeremy has represented clients in their most high-profile and sophisticated matters, including mergers and acquisitions requiring regulatory approval in dozens of jurisdictions, global cartel investigations, and in litigation in federal and state courts.

Most recently, he has navigated several automotive parts suppliers through U.S. Department of Justice and worldwide investigations into industry-wide price fixing—described by the DOJ as the largest criminal investigation it has ever undertaken.


Merger Clearance Highlights

  • Western Digital in its approximately $17 billion acquisition of SanDisk and in its previous $4.8 billion acquisition of Hitachi Global Storage Technology, which both required approval in the U.S., EU, China and other jurisdictions.
  • Medtronic in its $49.9 billion acquisition of Covidien, cleared globally less than six months after announcement.

Antitrust Investigations and Litigation

  • Kawasaki Kisen Kaisha and its subsidiary “K” Line America in winning complete dismissal of class actions brought by direct and indirect purchasers of ocean vehicle carrier services. Previously advised “K” Line in antitrust investigations into price fixing in the car shipping industry, including advising in its plea agreement with the DOJ.
  • Aisin Seiki, NSK, Omron and others in  cartel investigations by the DOJ and other antitrust authorities into possible price fixing in the automotive parts industry, as well as in related civil litigation cases.


  • Former Member, ABA Antitrust Law Section’s International Cartel Task Force


  • Georgetown University Law Center, J.D., 1999
  • Southwest Missouri State University, B.S., 1995


  • California
  • District of Columbia


Rate : $$$

What types of cases Attorney Jeremy Calsyn & Cleary Gottlieb Steen & Hamilton LLP can handle?
Cleary Gottlieb Steen & Hamilton LLP can handle cases related to laws concerning Litigation, Class Action, Mergers & Acquisitions, Antitrust & Trade. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Cleary Gottlieb Steen & Hamilton LLP located?
Cleary Gottlieb Steen & Hamilton LLP is located at 2112 Pennsylvania Ave NW, Washington, DC 20037, USA. You can reach out to Cleary Gottlieb Steen & Hamilton LLP using their phone line (202) 974 1522. You can also check their website or email them at [email protected].
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Cleary Gottlieb Steen & Hamilton LLP
2112 Pennsylvania Ave NW, Washington, DC 20037, USA
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