MJ. Moltenbrey

Paul Hastings (Washington)
Lawyer (Partner)

MJ Moltenbrey is a partner in the Antitrust and Competition practice of Paul Hastings and is based in the firm’s Washington, D.C. office. She represents clients before the Department of Justice and Federal Trade Commission, state attorneys general, and in federal courts on a wide array of issues, including mergers, civil and criminal conduct cases, and administrative proceedings.

Ms. Moltenbrey represents clients through civil and criminal conduct investigations by the federal and state antitrust authorities, and has defended clients in federal court cases and FTC proceedings. She also has helped guide numerous complex mergers through review by federal and state agencies, including Monsanto’s acquisition of Delta and Pine Land, Xstrata’ s acquisition of Falconbridge, Ltd., and Expro International Group’s acquisition of Power Well Services.

Ms. Moltenbrey was formerly the director of civil non-merger enforcement in the DOJ’s Antitrust Division. In that position, she was the Antitrust Division’s senior career official responsible for civil conduct investigations and litigation. During her 17 year DOJ career, Ms. Moltenbrey also served as chief of the Civil Task Force and as trial attorney in the Transportation Section. Among the matters that Ms. Moltenbrey was involved in at the DOJ were: United States v. Microsoft (monopolization), United States v. Visa Int’l et al. (anticompetitive agreements in joint venture) and United States v. Airline Tariff Publishing Co., et al. (price coordination).


Linked authors

Paul Hastings (Brussels)
MAPP (Paris)
French State Council (Paris)
Maersk (Copenhagen)
British Competition Authority - CMA (London)
Jones Day (Brussels)
Sheppard Mullin (San Francisco)
DG COMP (Brussels)


MJ Moltenbrey - Merger Control Regimes Worldwide 2014
MJ. Moltenbrey 19 December 2014 Paris


64 Bulletin

Emily Dodds Powell, Hart Holden, James F. Owens, MJ. Moltenbrey, Thomas P. Brown The United States District Court for the District of Idaho orders to unwind a hospital/physician group merger (St. Luke’s Health System / Saltzer Medical)


On January 24, 2014, the United States District Court for the District of Idaho ordered St. Luke’s Health System to unwind a merger with the Saltzer Medical Group. The outcome represented a significant victory for the various parties, including the Federal Trade Commission (“FTC”) and the State (...)

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