"The firm is a go-to destination for companies facing complex and challenging antitrust cases…."
– Global Competition Review 2021 Firm of the Year - Americas

"An outstanding and unique antitrust boutique. . . ." - Chambers USA

"Axinn, Veltrop & Harkrider is the biggest antitrust boutique in the U.S. . . . it also boasts one of the most experienced antitrust teams in the GCR 100." - Global Competition Review

Axinn’s antitrust practice is one of the largest and most experienced in the world. Our lawyers have served as lead or co-lead counsel on nearly half a trillion dollars in transactions and, in the last year alone, defended more than $450B in potential antitrust damages. Axinn has been global lead counsel on some of the most significant recent matters, including the largest cash merger in U.S. history, the largest tech deal in history and a wide array of cutting-edge litigation and counseling matters.

Axinn is recognized around the world by leading publications. The firm has been recognized by Global Competition Review for Law Firm of the Year (Americas), Lawyer of the Year, Matter of the Year and Merger Control Matter of the Year, and is annually included in the GCR 100. Its ranks include partners recognized by Chambers, Who’s Who Legal, and Legal500, and includes a GCR Litigator of the Year nominee, National Law Journal Trailblazers, and an American Lawyer Litigator of the Week. 


Axinn's M&A practice is led by some of the world’s most experienced and respected antitrust lawyers. The firm's track record of obtaining global clearance of combinations of significant rivals has built Axinn's reputation as a "go-to" firm for strategic mergers and acquisitions. Axinn combines its extensive experience before antitrust agencies around the world with its ability to develop and present sophisticated econometric arguments, in order to obtain clearance of mergers and acquisitions that at first blush seem to raise insurmountable difficulties.

Axinn's most significant recent transactions include:

Axinn has substantial experience as lead counsel litigating Section 7 challenges to mergers:


Axinn's antitrust litigation practice is defined by its deep experience and by the sophisticated yet practical approach it has applied to a wide variety of major cases, including acting as lead counsel in major private treble damage actions (including several complex class actions). Its lawyers have handled all types of antitrust claims and have litigated in numerous industries, including: aerospace; automotive parts; avionics; biotechnology; cable television; chemicals; data storage; distilled spirits; earth-moving equipment; entertainment; factory automation; financial services; health care; manufacturing; medical devices; payments; pharmaceuticals; plastics; power tools; and telecommunications. While at the FTC, one Axinn partner was responsible for the most significant monopolization cases brought by that agency, including Toys"R"Us, Three Tenors, Dell and Rambus.

Representative cases include:


In an aggressive enforcement landscape, a company’s choice of cartel counsel is critical. Its lawyers must not only be trusted advisors and advocates, but global strategists, skilled negotiators and experienced litigators.

Axinn brings all of these skills to the table. Its lawyers have worked on the two largest price-fixing investigations of the last decade, and have represented companies and individuals in cartel investigations by the U.S. Department of Justice, the Australian Competition and Consumer Commission, Brazil’s Administrative Council for Economic Defense, the Canadian Competition Bureau, the European Commission and other worldwide authorities. Its team also includes former federal prosecutors and Antitrust Division leaders with oversight of the Division’s criminal investigations, trials and policy initiatives. Axinn takes an integrated approach and handles all aspects of the representation, including compliance programs, internal investigations, government investigations, criminal proceedings and civil litigation. The firm recognizes that success requires a clear understanding of its clients’ goals and values, and of the unique challenges posed by every investigation. It uses this understanding to provide real strategic options rather than a "one-size-fits-all" approach.


Axinn provides trusted guidance on antitrust issues that are central to its clients’ strategic goals as well as those that arise in their daily business. In particular, the firm has deep experience advising clients on issues arising at the intersection of the antitrust and intellectual property laws, including standard-setting and FRAND issues. The firm also is often called upon to conduct internal investigations or to develop and implement antitrust compliance programs.

Significant matters include:



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