John M. Sipple

Counsel at Weil, Gotshal & Manges LLP

John M. Sipple

John M. Sipple

Counsel at Weil, Gotshal & Manges LLP

Biography

John Sipple is counsel in the Washington DC office of Weil, Gotshal & Manges. Recognized as the world’s foremost authority in the Hart-Scott-Rodino premerger notification regime, Mr. Sipple’s practice focuses on counseling regarding premerger notification requirements in the US and countries throughout the world. He also provides a full range of antitrust counseling, with a particular emphasis on mergers, acquisitions, joint ventures and attendant antitrust issues.

Prior to entering private practice, Mr. Sipple served as a high level official with the US Federal Trade Commission, with over twenty years at the agency. As head of the Hart-Scott-Rodino Premerger Notification Office, Mr. Sipple was responsible for the administration and enforcement of the HSR Act on behalf of the Federal Trade Commission and the US Department of Justice. During his tenure, Mr. Sipple spearheaded the agencies’ development and implementation of the HSR Act and regulations relating to premerger notifications in the US. As head of the Premerger Office, Mr. Sipple was instrumental in developing and refining the body of law under the Act now relied upon by all antitrust practitioners. His experience in this area is unparalleled.

Before joining Weil, Mr. Sipple was counsel with Clifford Chance, where he served as the firm’s Hart-Scott expert for the global antitrust group and its clients. Mr. Sipple was instrumental in coordinating merger notifications for clients throughout the world.

Mr. Sipple received the Commission’s Award for Distinguished Service in 1997 in recognition of his experience regarding the HSR Act requirements and his dedication to providing outstanding public service.

He is admitted to practice in the District of Columbia and Maryland.

Overview
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2328

Number of Awards

2

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Partner at Weil, Gotshal & Manges LLP

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Partner at Weil, Gotshal & Manges LLP

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Counsel at Weil, Gotshal & Manges LLP

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Associate at Weil, Gotshal & Manges LLP

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Partner at Weil, Gotshal & Manges LLP

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Partner at Weil, Gotshal & Manges LLP

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Partner at Kirkland & Ellis LLP

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Partner at Weil, Gotshal & Manges LLP

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Partner at Weil, Gotshal & Manges LLP

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Partner at Weil, Gotshal & Manges LLP

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In The News
The New York Times
December 7, 2016
Prominent Antitrust Lawyer Is Hired by New York Firm
The Deal Pipeline
August 12, 2016
Ingram Micro trends upward despite Cfius warning
The Washington Post
August 20, 2015
Alexandria home sales
The Washington Post
January 15, 2015
Fairfax Countyhome sales
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John M. Sipple
Counsel at Weil, Gotshal & Manges LLP
Political Donations
$250
2012

Former President of United States

$250
2008

Former President of United States

Transactions
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L'Oréal SA purchases IT Cosmetics LLC from TSG Consumer Partners LLC

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Ktr Capital Partners LP /Private Group purchases KTR Capital Partners LP

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Allergan Plc purchases Allergan, Inc.

Awards & Honors
Admitted to District of Columbia Bar
Admitted to the Maryland Bar
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