Gregory Luib > Dechert LLP > Washington DC, United States > Lawyer Profile

Dechert LLP
United States
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Gregory P. Luib focuses his practice on antitrust and competition matters. Using his government and private sector experience, Mr. Luib represents clients in mergers and conduct investigations before the Federal Trade Commission (FTC) and Department of Justice (DOJ) and in private litigation, in a wide range of industries, including life sciences, health, and technology. Mr. Luib also represents clients in consumer protection matters before the FTC relating to advertising, marketing, privacy, and data security practices.

Mr. Luib served for more than a decade with the FTC. Most recently, as attorney advisor to Commissioner Maureen K. Ohlhausen, he provided counsel on competition matters, including merger and conduct investigations, law enforcement actions taken by the FTC, and significant issues of competition policy. Mr. Luib’s FTC experience also includes work as an attorney in the Mergers I Division of the Bureau of Competition, where he led merger investigations in various industries, including pharmaceuticals, health care data, industrial gases, aerospace, and defense. Mr. Luib previously served as the assistant director of the FTC’s Office of Policy Planning (OPP), where he focused on competition and consumer protection matters and served as a principal drafter of several policy reports issued by the Commission in the areas of network neutrality, Noerr-Pennington antitrust immunity, and real estate brokerage services. While in OPP, Mr. Luib received the Paul Rand Dixon award for outstanding contributions to the agency’s competition advocacy program.

Prior to joining the FTC in 2005, Mr. Luib was an associate at another international law firm where he focused his practice on merger review and antitrust counseling and litigation.

Mr. Luib is a frequent author and lecturer on antitrust issues in the healthcare, pharmaceuticals, and technology industries. Mr. Luib is also an active member of the ABA’s Section of Antitrust Law, where he currently serves on the editorial board of Antitrust Law Developments and the U.S. Comments and Policy Committee.


  • ABA Section of Antitrust Law
    • Vice-Chair, U.S. Comments & Policy Committee (2021-2022)
    • Editorial Board Member, Antitrust Law Developments 9 (2020-2022)
    • Member, Long Range Planning Committee (2020-2021)
    • Co-Chair, Media & Technology Committee (2015 – 2020)
    • Chair, Exemptions & Immunities Committee (2013-2015)
    • Vice-Chair, Exemptions & Immunities Committee (2007-2012)
    • Vice-Chair, Programs Committee (2004-2007)
    • Member, Editorial Board, Annual Review of Antitrust Law Developments (2002-2004)


  • University of Virginia, B.A., Economics, 1994, high distinction
  • University of Virginia School of Law, J.D., 1999, Virginia Tax Review

Lawyer Rankings

United States > Antitrust > Merger control

Dechert LLP advises clients throughout complex merger review processes, including FTC and DOJ challenges and consent orders, as well as representing in merger litigation. Alongside its existing strength in healthcare, the firm also regularly advises clients in retail, energy, and private equity, as well as handling cross-border merger proceedings in collaboration with its global platform. Former FTC assistant director Mike Cowie specializes in government investigations and challenges in the health care and life sciences space, and now co-heads the team alongside Philadelphia-based Steven Bizar. James A Fishkin handles reviews and merger litigation, and is particularly strong in the retail sector, while up-and-coming Rani Habash advises clients throughout pre-merger risk assessments, negotiations with counterparties, and DOJ and FTC investigations, with notable clients including CVS Health and Aetna. Counsel Gregory Luib is also noted for his representation of clients in FTC and DOJ merger investigations. Lawyers are in Washington DC unless otherwise stated.