E. Marcellus Williamson

Partner at Latham & Watkins LLP

E. Marcellus Williamson

E. Marcellus Williamson

Partner at Latham & Watkins LLP

Biography

E. Marcellus (Marc) Williamson is a partner in the Washington, D.C. office of Latham & Watkins. He is a member of the Litigation Department and of the Antitrust & Competition and Communications Practice Groups. He represents clients before US and international antitrust enforcers and litigates antitrust cases. He has represented domestic and foreign clients on all aspects of US antitrust law, including merger review, price fixing investigations and class action litigation. Mr. Williamson has obtained clearance of numerous mergers, acquisitions and joint ventures from the Federal Trade Commission, the Department of Justice, the European Commission and other competition agencies. He has extensive experience in leading multi-jurisdictional merger clearance processes.

Mr. Williamson has worked with a broad range of industries, including: private equity; satellite, broadcast, mobile, broadband and wireline communications; software; publishing; e-commerce; pharmaceuticals; medical devices; healthcare; aviation; aerospace; petroleum; automobiles and automotive components; glassware; tobacco; and wine and spirits.

Mr. Williamson writes and speaks on antitrust topics. He is the author of, among other things, “Hot Docs vs. Cold Economics,” 47 Arizona Law Review 609 (2005), and the Joint Ventures Chapter in the ABA Telecom Antitrust Handbook. Mr. Williamson is a faculty member of the United States Telecom Training Institute. He is also recognized in the 2014 Washington, D.C. Super Lawyers list which recognizes individuals who have distinguished themselves in their legal practice.

Mr. Williamson's representative transactions include handling US and/or international antitrust clearances in:

Omnicom Group/Publicis
Multiplan/Viant
DG Fastchannel/Vyvx
Infonet/British Telecom
Inmarsat/Stratos
NorthPoint/Verizon
Arch Wireless/Metrocall
Carlyle/Kinder Morgan
Allied Domecq/Fortune Brands/Pernod Ricard

Mr. Williamson's representative litigations include:

Dahl, et al. v. Bain Capital, et al. (Sherman Act class action)
In re Aftermarket Filters Antitrust Litigation (Sherman Act class action)
BabyAge.com v. Toys "R" Us, et al. (Sherman Act class action)
In re Medical Residents Antitrust Litigation (Sherman Act class action)
US v. Oracle (Clayton Act)
General Cigar v. Altadis (Sherman Act)
Access Telecom v. Telefonos de Mexico (Sherman Act)
FTC v. Swedish Match (Clayton Act)
FTC v. Libbey (Clayton Act)
Emil Asch v. Amscan (Robinson-Patman Act)
Cubatabaco v. Culbro (Lanham Act)


February 18, 2003
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Cartel Enforcement and Litigation in the EU and US

Overview
RelSci Relationships

2508

Primary Location

Washington, DC, United States

Number of Boards

2

Number of Awards

1

Contact Data
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Co-Chair, Global Benefits & Compensation Practice Group at Latham & Watkins LLP

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Partner at Latham & Watkins LLP

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Partner at Latham & Watkins LLP

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Counsel at Latham & Watkins LLP

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Global Co-Chair, Private Equity Finance Practice at Latham & Watkins LLP

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Chair, Private Equity Finance Practice at Latham & Watkins LLP

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Partner at Latham & Watkins LLP

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Partner at Latham & Watkins LLP

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Global Co-Chair, Private Equity Practice at Latham & Watkins LLP

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Chair, Technology Transaction Practice Group at Latham & Watkins LLP

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Paths to E. Marcellus Williamson
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E. Marcellus Williamson
Partner at Latham & Watkins LLP
Family Members
Spouse
Executive Director, Legal Department at UBS Financial Services, Inc.

UBS's wealth management division offers high net worth individuals a range of advisory and investment products and services. UBS offers brokerage services and products as well as asset management and other investment advisory and portfolio management products and services.

Education
JD
Class of 1988

Founded in 1835, New York University School of Law has a record of academic excellence and national scholarly influence. One of the first law schools to admit women, it has been long committed to welcoming students of diverse backgrounds, people who had been discriminated against by many other institutions. Located on the University's campus in Greenwich Village, NYU Law has been a leader, and continues to be, in areas such as law and business, clinical education, public service, interdisciplinary colloquia and global studies.

MA in Philosophy
Class of 1986

Columbia University is one of the world's most important centers of research and at the same time a distinctive and distinguished learning environment for undergraduates and graduate students in many scholarly and professional fields. The University recognizes the importance of its location in New York City and seeks to link its research and teaching to the vast resources of a great metropolis. It seeks to attract a diverse and international faculty and student body, to support research and teaching on global issues, and to create academic relationships with many countries and regions. It expects all areas of the university to advance knowledge and learning at the highest level and to convey the products of its efforts to the world.

BA in Philosophy
Class of 1984

Since its founding in 1864, Swarthmore College has given students the knowledge, insight, skills, and experience to become leaders for the common good. Offering a liberal arts and engineering curriculum, the College is private, yet open to all regardless of financial need. It is also decidedly global in outlook, drawing students from around the world and all 50 states. The diversity of perspectives represented by Swarthmore students, faculty, and staff - including different viewpoints, identities, and histories - contributes to the community's strong sense of open dialogue and engagement with ideas and issues. So much of what Swarthmore stands for, from its commitment to curricular breadth and rigor to its demonstrated interest in facilitating discovery and fostering social responsibility, lies in the quality and passion of its faculty. A student/faculty ratio of 8:1 ensures that students have close, meaningful engagement with their professors, preparing the former to translate the skills and understanding gained at Swarthmore into the mark they want to make on the world. The College's Honors program features small groups of dedicated and accomplished students working closely with faculty; an emphasis on independent learning; ongoing dialogue between students and their peers, teachers, and examiners; and an examination at the end of two years' study by outside scholars. Swarthmore's idyllic, 425-acre arboretum campus features rolling lawns, a creek, wooded hills, and hiking trails, and is located just 11 miles from Philadelphia.

Memberships
Member
Current - 2023

OUR MISSION IS TO BE AN EXEMPLARY LEARNING COMMUNITY - ENRICHED BY DIFFERENCES, INFORMED THROUGH INQUIRY, GLOBAL IN REACH.

Career History
Partner
Current

Latham & Watkins LLP is a full-service law firm. The firm offers services in the areas of finance, litigation, tax, banking, life sciences, private equity, real estate, government relations, employment law, and outsourcing. The firm practices in a spectrum of transactional, litigation, corporate, and regulatory areas. Latham & Watkins was established in 1934 and is based in New York, New York.

Political Donations
$1,000
2004

Of Counsel at PatentServices.com

$1,000
2000

Director & Senior Vice President at alliantgroup LP

Transactions
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Entercom Communications Corp. purchases CBS Radio, Inc. from ViacomCBS, Inc.

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Apax Partners Ltd., Apax Partners Holdings Ltd. purchase ECI Software Solutions, Inc. from Golub Capital Partners LLC, The Carlyle Group LP (Corporate Private Equity), Ardian SA, Level Equity Management LLC

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The Carlyle Group LP (Corporate Private Equity), LDiscovery LLC, Revolution Capital purchase Kroll Ontrack, Inc. from Altegrity, Inc.

Awards & Honors
Admitted to the New York Bar
Other Affiliations
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