Ashley L. McMahon Ashley L. McMahon

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Ashley (Lee) McMahon focuses her practice on antitrust and competition matters. Lee advises clients on complex issues relating to and arising under the antitrust laws in connection with civil litigation, international cartels, and mergers and acquisitions. She assists clients with premerger notification, review and analysis under the Hart-Scott-Rodino (HSR) Antitrust Improvements Act. Lee is experienced in areas of e-discovery, document review and production for investigations before the Federal Trade Commission (FTC), Department of Justice (DOJ) and state attorneys general office. Read Lee McMahon's full bio.

Antitrust M&A Snapshot | Quarter 1 2020

By on May 1, 2020
Posted In Brussels Developments, DOJ Developments, EC Developments, EU Developments, FTC Developments, Mergers & Acquisitions

In the United States, The Federal Trade Commission (FTC) and Department of Justice (DOJ) faced new issues this quarter with the unprecedented challenges brought about by the COVID-19 global pandemic. In March, the agencies made certain changes to the merger review process to accommodate businesses and counsel working remotely. However, merger reviews, challenges, trials and...

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The Latest: Health Care Transactions Will Require Advance Notice to Washington State AG

By and on Jul 8, 2019
Posted In Healthcare Antitrust, Mergers & Acquisitions

What Happened: On May 7, 2019, Governor Jay Inslee of Washington State signed House Bill 1607 into law. The law goes into effect for transactions closing after January 1, 2020, and requires advance notice to the Washington Attorney General (AG) of certain transactions 60 days in advance of closing the transaction. The intent of the...

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The Latest: Changes Coming to Revenue Reporting for HSR Filings

By and on Jun 28, 2019
Posted In DOJ Developments, FTC Developments, Mergers & Acquisitions

What Happened: The Federal Trade Commission (FTC), along with the Antitrust Division of the Department of Justice (DOJ), approved amendments to the Hart-Scott-Rodino (HSR) Rules and the instructions for completing the HSR Form. After the amendments take effect on September 25, 2019, HSR filers will be required to use new 10-digit North American Product Classification...

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Sixth Circuit Decision Affirms Summary Judgment Against Antitrust Challenge to Hospital Joint Operating Company’s Contracting Conduct

By , , and on May 24, 2019
Posted In Healthcare Antitrust, Joint Ventures/Competitor Collaboration

A recent decision by the US Court of Appeals for the Sixth Circuit is important for competitors involved in joint ventures because it states what mode of antitrust analysis—the per se rule or the rule of reason—applies to the conduct of joint ventures when it is challenged as anticompetitive. The decision is also significant because...

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THE LATEST: DOJ Announces Settlement with Carolinas Health System (Atrium Health) After Two Years of Litigation

By , , , and on Nov 20, 2018
Posted In DOJ Developments, Healthcare Antitrust, Monopolization/Abuse of Dominance

The Department of Justice (DOJ) announced last week that it and the State of North Carolina have reached a settlement with Carolinas Healthcare System / Atrium Health relating to provisions in contracts between the health system and commercial insurers that allegedly restrict payors from “steering” their enrollees to lower-cost hospitals. The settlement comes after two...

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THE LATEST: DOJ Reaches Settlement with Six Broadcast Television Companies

By and on Nov 19, 2018
Posted In Cartel Enforcement, DOJ Developments, Mergers & Acquisitions

The Department of Justice (DOJ) and six broadcast television companies reached settlements last week after the DOJ claimed that the companies shared competitively sensitive information that allowed the parties to alter the way prices were set in the television spot advertising market. Assistant Attorney General Makan Delrahim explained in a speech at the ABA Antitrust...

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Healthcare and Antitrust Enforcement: Continuity through the Administrations

By and on Oct 26, 2018
Posted In DOJ Developments, FTC Developments, Mergers & Acquisitions

Antitrust laws protect competition and consumers. Antitrust enforcement is prevalent in actions concerning manufacturing and consumer goods, among other things. However, recent enforcement activity by the Federal Trade Commission (FTC) and Department of Justice’s Antitrust Division (DOJ) serves as a reminder that the services industry, particularly healthcare services, is not immune to antitrust scrutiny as...

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THE LATEST: FTC Announces New Model Timing Agreement for Merger Investigations

By and on Aug 9, 2018
Posted In FTC Developments, Mergers & Acquisitions

WHAT HAPPENED: On August 7, the FTC published a new Model Timing Agreement. Timing agreements are agreements between FTC staff and merging parties that outline the FTC’s expected timing for various events in order for it to conduct an orderly investigation during a Second Request. The FTC expects the Model Timing Agreement to be used...

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Supreme Court Clarifies Principles of International Comity in Vitamin C Ruling

By and on Jun 15, 2018
Posted In Cartel Enforcement, Chinese Developments, Private Litigation, U.S. Supreme Court Developments

Alert: The Supreme Court clarified the principles of international comity this week in a ruling pertaining to the long-running vitamin C antitrust class action litigation. International comity is the recognition a nation shows to the legislative, executive or judicial acts of another nation. Principles of comity state that US courts should defer to the laws...

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THE LATEST: Antitrust Remains in Political Crosshairs for 2018 Midterm Elections

By and on Dec 14, 2017
Posted In Mergers & Acquisitions

WHAT HAPPENED: Senator Elizabeth Warren (D-MA) gave a speech at the Open Markets Institute on December 6 entitled “Three Ways to Remake the American Economy for All”, in which she repeatedly positioned antitrust policy as a tool to rebalance competition between “big, powerful corporations” and “just about everyone else.” Senator Warren spoke critically about recent...

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