Antitrust Litigation

Weil is recognized and retained by some of the largest corporations in the world to handle their antitrust litigation matters. We advise clients on the interrelationship between antitrust, intellectual property, trade, and unfair competition laws and regulations and litigate those cutting-edge issues.

Notable Representations, Key Contacts

We have significant trial experience for plaintiffs and defendants in all types of civil and criminal cases before juries and judges in multiple jurisdictions, and expertise in appellate practice before national and international courts and tribunals.

Our attorneys are highly skilled at litigating antitrust counterclaims and misuse defenses in patent cases and other civil litigation, as well as formulating favorable settlements of intellectual property litigation.

Our lawyers are experienced project managers who conduct large-scale, complex litigation — and win.

We have:

  • the depth and resources to proactively manage the substantial risks, time, and costs associated with litigation
  • the experience to efficiently conduct discovery
  • a platform for state-of-the-art case management that supports all aspects of the matter

Price-Fixing, Cartels & Related Investigations

Our Antitrust litigators are valued client advisors for all phases of criminal investigations and litigation, including cartel investigations, dawn raids, and predatory pricing investigations.

Selected Representations

We conduct large-scale, complex litigation — and win

American Airlines


C&S Wholesale Grocers

Daimler AG, Chrysler, Chrysler Canada, Mercedes-Benz and Mercedes-Benz Canada

Elite Rodeo Association


Hilton Worldwide

Local Television Stations

MedPointe Pharmaceuticals

Michael Foods

Providence Equity/THL

Simon & Schuster

Key Contacts

Kevin Arquit

Kevin J. Arquit


New York

Steven A. Newborn

Steven A. Newborn


Washington, D.C.

See list of lawyers globally

Shortcut Links

Recent Announcement

View all

Weil Named Antitrust Firm of the Year

Benchmark Litigation U.S. Awards 2017

Weil has a “highly proficient U.S. antitrust group that combines a well-established transactional antitrust practice in Washington DC with a burgeoning litigation and cartel team in New York.”

Chambers USA

Weil Named Antitrust Firm of the Year

Legal Media Group’s Life Sciences Awards 2016

Weil’s Antitrust Practice Ranked Among the “Global Elite”

GCR 100 2016

Co-Head of the Antitrust/Competition practice Steven Newborn and Antitrust partners Steven Bernstein and Jeffrey Perry named “Trailblazers” by The National Law Journal

Weil’s NY Antitrust Litigation Practice Ranked as “Elite”

GCR 100 2014

Weil's Antitrust practice “has all the know-how and horsepower, but they also have a pragmatic and reasoned approach.”

Chambers USA

The reasons we've had such a long relationship with them are simple – they've seen us through a lot of very important fights, and continuously got us good results.”

Chambers USA

Weil's performance is very impressive, especially in terms of their professionalism, timeliness, communication and teamwork.”

Chambers USA

Awards and Recognition, Guides and Resources, Speaking Engagements, Latest Thinking, Firm News & Announcements, Recent Announcement

Awards and Recognition

View all

Speaking Engagements

View all

Latest Thinking

View all

Firm News & Announcements

View all