The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

McDermott Will & Emery LLP

18565 JAMBOREE ROAD, SUITE 250, IRVINE, CA 92612, USA
Tel:
Work +1 949 851 0633
Fax:
Fax +1 949 851 9348
Web:
www.mwe.com

William Diaz

Tel:
Work +1 949 757 7129
Email:
Web:
www.mwe.com
McDermott Will & Emery LLP

Work Department

Antitrust/Competition

Position

Partner

Career

Partner William (Will) Díaz litigates and counsels clients on antitrust cases, obtains Federal Trade Commission (FTC) and Department of Justice clearance on mergers, and defends clients in government investigations. Will has significant experience in the interplay between the antitrust and intellectual property laws and the issues that crossover into both areas, including standard-setting activities, patent pools, fair, reasonable and non-discriminatory (FRAND) licensing issues and patent misuse. He also has handled numerous litigations and transactions in the biotech, pharmaceutical and medtech industries. Prior to joining private practice, Will was an attorney for the FTC, Bureau of Competition, investigating and analyzing mergers and anticompetitive trade practices.

Please visit McDermott's website for full biography.
https://www.mwe.com/en/team/d/diaz-william


United States: Antitrust

Civil litigation/class actions: defense

Within: Civil litigation/class actions: defense

Raymond Jacobsen, Jr. heads the global antitrust and competition practice at McDermott Will & Emery LLP from Washington DC. On the healthcare front, a team led by Chicago's Terrence Dee, Washington's Jon Dubrow and Orange County's William Diaz is representing group purchasing organization Premier in a class action filed by healthcare providers alleging that Becton Dickinson conspired with the client and its co-defendant to exclude rival syringe suppliers and raise prices. Jacobsen continues to work alongside Chicago-based David Hanselman to advise Eagle Materials and American Gypsum in class actions filed by direct and indirect purchasers of drywall, while Michelle Lowery and Joel Chefitz secured a dismissal for Steel Dynamics in a nationwide class action claiming that steel manufacturers conspired to restrict supply and fix prices; they are also based in Chicago. Also notable are Stephen Wu and Stefan Meisner, who both sit in Washington DC.

[back to top]

Merger control

Within: Merger control

The 'excellent' antitrust group at McDermott Will & Emery LLP 'is uniquely effective in its analysis of regulatory issues', as well as 'exceptionally practical and solutions-oriented'. Especially noted are practice head Raymond Jacobsen, Jr. and Jon Dubrow who 'stand out from other excellent antitrust lawyers in their ability blend business needs with regulatory demands and formulate a strategy that is sensible and credible'. The pair recently collaborated with Gregory Heltzer to secure clearance on behalf of Martin Marietta Materials' $1.68bn acquisition of Bluegrass Materials, and Joel Grosberg oversaw Motorola's all-cash takeover of Aviglion. The firm's stellar client roster also includes names such as Impax, Lockheed Martin and Mountain States Health. Other key names include Jeffrey BrennanDaniel Powers, Chicago's Stephen Wu, and William Diaz, who sits in Orange County. Unless otherwise stated, attorneys are based in Washington DC.

[back to top]


Back to index

Legal Developments worldwide

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to