White & Case (Washington)

Mark J. Gidley

White & Case (Washington)
Partner

J. Mark Gidley is a partner in White & Case’s New York office and chairs the firm’s Global Antitrust/Competition practice. His practice focuses on mergers and acquisitions, cartel cases, class actions, and pharmaceutical antitrust cases, with an emphasis on trying antitrust cases. Mr. Gidley served as the Acting Assistant Attorney General for the US Department of Justice (DOJ) Antitrust Division in 1992–1993 with responsibility for all civil, criminal and merger matters of the Division. Prior to that, he served as Deputy Assistant Attorney General for Regulated Industries in the Antitrust Division from 1991-1992, responsible for civil, criminal, and merger matters in the telecommunications, energy, computers, intellectual property, and banking and finance industries. From 1990 to 1991, Mr. Gidley served as Associate Deputy Attorney General under then Deputy Attorney William P. Barr. During his tenure at the Antitrust Division, he worked on a number of merger and acquisition investigations, including Bank of America’s acquisition of Security Pacific National Bank and worked on the development of the seminal DOJ-FTC 1992 Horizontal Merger Guidelines. Mr. Gidley was selected and served on the ABA Antitrust Section’s Blue Ribbon Panel for Civil Jury Instructions in Antitrust Trials in 2014-15. He received his B.S. and B.G.S. from University of Kansas in 1983 and his J.D. from Columbia Law School in 1986.

Distinctions

Linked authors

White & Case (Brussels)
White & Case (Washington)
White & Case (Boston)
White & Case (Riyadh)
White & Case (New York)

17144 | Events

Videos

Mark Gidley (White & Case)
Mark J. Gidley 9 September 2019 Washington, D.C.
Mark Gidley
Mark J. Gidley 5 April 2016 Washington, DC
Mark Gidley
Mark J. Gidley 5 April 2016 Washington, DC
Mark Gidley
Mark J. Gidley 23 October 2015 New York
Mark Gidley
Mark J. Gidley 1 October 2015 New-York

Articles

8795 Bulletin

Rebecca H. Farrington, Heather Greenfield, Anna Kertesz, Mark J. Gidley, Gabriela Baca, Ashley Stoner, Allain Andry, Maia Gez, Michelle Rutta, Melinda Anderson The US DoJ continues its aggressive crackdown on illegal interlocking directorates thereby increasing the spotlight on private equity and technology firms and leading to the resignation of five more US company board directors

328

The Antitrust Division of the US Department of Justice ("DOJ") continues to aggressively pursue alleged illegal interlocking directorates that violate Section 8 of the Clayton Act, and in particular, interlocks involving private equity ("PE") firms and technology companies. On March 9, 2023, (...)

Marc Israel, Mark J. Gidley, Kathryn Jordan Mims, Tilman Kuhn, Strati Sakellariou-Witt, Peter Citron The UK Competition Authority publishes a guide for employers on how to avoid breaching competition law in labour markets

40

The UK antitrust authority, the CMA, has recently published a guide for employers on how to avoid breaching UK antitrust law in labour markets. This publication signals the UK’s intent to ratchet up antitrust scrutiny of labour markets – a trend that is gathering momentum across the world, in (...)

Mark J. Gidley, George Paul, Rebecca H. Farrington, Martin M. Toto, Heather Greenfield, Daniel Rosenthal, Naari Ha The US FTC announces annual changes to the Hart-Scott-Rodino Act notification thresholds

511

On January 21, 2022, the Federal Trade Commission (FTC) announced the annual changes to the Hart-Scott-Rodino (HSR) Act notification thresholds. The FTC is required by law to revise the jurisdictional thresholds annually, based on the change in gross national product. Accordingly, the 2022 (...)

Mark J. Gidley, George Paul, Rebecca H. Farrington, Douglas Jasinski, Anna Kertesz, Ashley Stoner The US FTC votes 3-2 to enact a major policy change relevant to every party involved in settling a merger investigation after signaling its intent to bring back an old practice of mandatory prior approval and notice provisions in consent orders earlier this year

170

On October 25, 2021, a deeply divided FTC voted 3-2 to enact a major policy change relevant to every party involved in settling a merger investigation with the FTC. Earlier this year, the FTC signaled its intent to bring back an old practice of mandatory prior approval and notice provisions in (...)

Tilman Kuhn, Strati Sakellariou-Witt, Mark J. Gidley, Kathryn Jordan Mims, George Paul, Mark D. Powell, Cristina Caroppo, Peter Citron The EU Commission plans a series of dawn raids to investigate anticompetitive practices in labor markets

364

No-poach agreements on the European Commission dawn raid radar* In a speech on 22 October 2021, EU Competition Commissioner Margrethe Vestager revealed that the European Commission was planning a series of dawn raids for the months to come. She highlighted that the European Commission is not (...)

Tamer Nagy, Strati Sakellariou-Witt, Mark J. Gidley The Kuwait Government amends its competition law to include for the first time a pre-merger notification regime based on turnover thresholds

395

The Government of Kuwait has recently amended its competition law to include for the first time a pre-merger notification regime based on turnover thresholds. Kuwait’s Competition Protection Agency has started to apply the new thresholds and has already launched inquiries into transactions that (...)

Mark J. Gidley, George Paul, Rebecca H. Farrington, Nicholas Putz, Jaclyn Phillips, Chenyuan Fu The US FTC starts issuing "Pre-Consummation Warning Letters" for transactions investigations which may need to remain open beyond the regular HSR waiting period

314

On Tuesday, August 3, 2021, the Federal Trade Commission announced a new approach for merger investigations that the FTC does not complete during the Hart-Scott-Rodino Act (HSR) waiting period—the FTC may advise merging parties via a Warning Letter that its investigation remains open despite the (...)

Mark J. Gidley, George Paul, Jack E. Pace, Kathryn Jordan Mims, Kristen O’Shaughnessy, Kevin Adam, Jaclyn Phillips, Abdul Hafiz, Erin McNamee The US President Joe Biden signs an executive order instructing more than a dozen federal agencies to promptly tackle some of the most pressing competition problems across the national economy

579

A new Executive Order signed by President Biden includes 72 initiatives instructing more than a dozen federal agencies, including the US Department of Justice and the Federal Trade Commission, to, according to the White House’s Fact Sheet, "promptly tackle some of the most pressing competition (...)

Mark J. Gidley, Kathryn Jordan Mims, Kristen O’Shaughnessy, Erin McNamee, Kevin Adam, Jaclyn Phillips, Abdul Hafiz, Tal Marnin The US President Joe Biden signs an executive order which includes 72 initiatives aimed at enhancing competition and a directive encouraging the FTC to ban or limit employee non-compete agreements

206

On Friday, July 9, 2021, President Biden signed Executive Order 14036, Promoting Competition in the American Economy, which includes—among 72 initiatives aimed at enhancing competition in the US—a directive encouraging the Federal Trade Commission to ban or limit employee non-compete agreements. (...)

Mark J. Gidley, George Paul, Rebecca H. Farrington, Martin M. Toto, Kathryn Jordan Mims, Michael E. Hamburger, Daniel Rosenthal, Adam Acosta, Jaclyn Phillips The US State of New York Senate adopts legislation prohibiting abuse of dominance and requiring new thresholds for the State’s pre-merger notification system

297

While Congress has been the epicenter of an ongoing antitrust debate—with US legislators on both sides of the aisle urging vast reforms—the New York State legislature is pursuing a state bill that would arguably ensnare more conduct and transactions in antitrust law’s web than anything proposed, (...)

Jack E. Pace, Kristen O’Shaughnessy, Robert Milne, Peter J. Carney, Michael Gallagher, Mark J. Gidley, Kevin Adam The US Congress proposes a package of bills on drug pricing, including changes to the treatment of reverse payments, product hopping, sham petitions, and patent dancing

184

What’s next for drug pricing in the US? Proposals to alter antitrust and patent laws may signal a renewed focus on drug pricing by federal lawmakers, while the growing web of state laws is expected to increase compliance challenges for the pharmaceutical industry. What’s changing? A new (...)

Daniel Rosenthal, Rebecca H. Farrington, Mark J. Gidley, George Paul, Regina Loureiro The US DoJ and US FTC temporarily suspend grants of early termination of waiting period in merger reviews under the Hart-Scott-Rodino Act

45

The Federal Trade Commission ("FTC") and Department of Justice ("DOJ") announced today that they are temporarily suspending any grants of early termination under the Hart-Scott-Rodino Act ("HSR Act"). The HSR Act is the federal premerger notification program, which requires parties to notify (...)

Mark J. Gidley, George Paul, Rebecca H. Farrington, Martin M. Toto, Noah A. Brumfield, Daniel Rosenthal, Nicholas Putz The US FTC announces annual changes to HSR thresholds for merger notification

334

On February 1, 2021, the Federal Trade Commission (FTC) announced the annual changes to the Hart-Scott-Rodino (HSR) Act notification thresholds. The FTC is required by law to revise the jurisdictional thresholds annually, based on the change in gross national product. Accordingly, the 2021 (...)

Mark J. Gidley, Tamer Nagy, Ahmad Ashraf The Egyptian Competition Authority publishes guidelines for obtaining amnesty or leniency from criminal prosecution for antitrust cartel violations

551

The Egyptian Competition Authority recently published the first Egyptian guidelines on the process for obtaining amnesty or leniency from criminal prosecution for antitrust cartel violations, signaling the agency’s intent to activate this tool in future enforcement activities. The guidelines (...)

Mark J. Gidley, Martin M. Toto, Kathryn Jordan Mims, Jaclyn Phillips, Trina Shek Rizzo, Michael Mahaffey The US DoJ issues its first business review letter under the DoJ-FTC expedited COVID-19 competitor collaboration review procedures, blessing several medical supply companies to work together to produce and distribute protective equipment (McKesson / Owens & Minor / Cardinal Health / Medline Industries / Henry Schein)

269

On April 4, 2020, the Antitrust Division of the Department of Justice issued its first Business Review Letter under the DOJ-FTC joint expedited COVID-19 competitor collaboration review procedures, blessing several medical supply companies to work together to produce and distribute personal (...)

Michael Gallagher, Regina Loureiro, Allain Andry, Mark J. Gidley, Kathryn Jordan Mims, Noah A. Brumfield The US DoJ and State Attorney-General propose federal additions to the Price Gouging Framework following the COVID-19 pandemic

184

Price gouging enforcement has largely been left to the States with their patchwork of varying laws—laws that have been invoked sporadically in crises. While the COVID-19 crisis has reportedly led to increased state enforcement, the federal government has taken a larger role, including Justice (...)

Jaclyn Phillips, Trina Shek Rizzo, Kathryn Jordan Mims, Mark J. Gidley The US Senate passes the CARES Act as a response to the COVID-19 crisis and tackles numerous issues on several fronts to stabilise the economy

79

The Coronavirus Aid, Relief, and Economic Security ("CARES") Act provides no modifications to, or relief from, the US antitrust laws (specifically, the Sherman Act, 15 U.S.C. §§ 1-38; Clayton Act, 15 U.S.C. § 12-27; and Robinson-Patman Act, 15 U.S.C. § 13). But some major businesses are forming (...)

Mark D. Powell, Charles Balmain, Marc Israel, Raif Hassan, Mark J. Gidley The UK Court of Appeal adjusts-down a follow-on damages award in a cartel case and emphasises the principle that damages may only be compensatory, not punitive (BritNed / ABB)

11

In BritNed v ABB, the English Court of Appeal substantially reduced the UK’s first award of damages in a so-called cartel damages claim brought for breach of European competition law. In so doing, the Court rejected calls for a more strict and punitive approach to damages in cartel claims. The (...)

Mark J. Gidley, Noah A. Brumfield, Jack E. Pace, Kristen O’Shaughnessy, Dan Grossbaum, Bryan D. Gant The US State of California becomes the first State to enact legislation rendering certain pharmaceutical patent litigation settlement agreements presumptively anticompetitive

182

This article has been nominated for the 2020 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. On October 7, 2019, California became the first state to enact legislation— Assembly Bill 824 (“AB 824”)—rendering certain pharmaceutical patent litigation (...)

George Paul, Mark J. Gidley, Martin M. Toto, Noah A. Brumfield, Rebecca H. Farrington The US Federal Trade Commission announces the annual changes to the Hart-Scott-Rodino Act notification thresholds

225

On January 26, 2018, the Federal Trade Commission (FTC) announced the annual changes to the Hart-Scott-Rodino (HSR) Act notification thresholds. The FTC is required by law to revise the jurisdictional thresholds annually, based on the change in gross national product. Accordingly, the 2018 (...)

Charles Balmain, Jean-Paul Tran Thiet, Mark D. Powell, Mark J. Gidley The UK Court of Appeal requires French defendants to comply with disclosure orders despite the French "blocking statute" (Secretary of State for Health / Servier Laboratories)

235

This article has been nominated for the 2014 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. The existence in several countries of “blocking statutes”, which prohibit the provision of economic information to foreign authorities or courts (or require prior (...)

Charles Moore, George Paul, Lynn Diamond, Mark J. Gidley, Martin M. Toto, Noah A. Brumfield, Rebecca H. Farrington The US FTC and DoJ issue new premerger reporting rules introducing new obligations for private equity funds and hedge funds

342

This article has been nominated for the 2012 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. New rules issued by the Federal Trade Commission on July 7, 2011 will streamline some information required for the Hart-Scott-Rodino Act (“HSR Act”) Notification (...)

George Paul, Jack E. Pace, Joseph Angland, Mark J. Gidley, Martin M. Toto, Robert Milne The Department of Justice withdraws the report untitled Competition and Monopoly (Single-Firm Conduct under Section 2 of the Sherman Act that had been issued by the Division in September 2008)

134

On May 11, 2009, the Antitrust Division of the Department of Justice (“DOJ”), in a speech by new Assistant Attorney General Christine A. Varney and a press release issued later in the day, formally withdrew the report entitled Competition and Monopoly: Single-Firm Conduct under Section 2 of the (...)

Send a message