Practice Areas
Education
Bar and Court Admissions

Patrick B. Clayton

Associate
San Francisco
44 Montgomery Street
Suite 3400
San Francisco CA 94104
TEL: (415) 633-1942
FAX: (415) 633-0770
{ mail } pclayton@zelle.com
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Patrick’s practice focuses on complex litigation in antitrust and unfair competition matters. Patrick has assisted in the representation of plaintiffs in multidistrict litigation class actions involving claims of price fixing in the natural gas, air cargo, and TFT-LCD panel markets. In these and other matters, Patrick has been involved in all aspects of fact and expert discovery, as well as pre-trial motion practice.

In addition to his experience in antitrust and unfair competition matters, Patrick has participated in general commercial litigation arising from contract disputes and torts. During law school, Patrick served as a judicial extern to the Honorable William B. Shubb of the United States District Court, Eastern District of California. Patrick also served as a law clerk at the Office of the General Counsel to the University of California Regents, and at the Civil Division of the California Attorney General’s Office.

Representative Matters

In re Western States Wholesale Natural Gas Antitrust Litig. (D. Nev.) (prosecution of federal and state antitrust class action claims arising out of the California Energy Crisis of 2000)

Articles & Presentations

"Emerging Trends In Indirect-Purchaser Antitrust Cases," Competition Law360, January 20, 2012, co-author

"The Slow Drift Toward More Antitrust Exemptions," Competition Law360, December 14, 2011, co-author

"Pre-claim Activities," The American Antitrust Institute’s International Handbook on Private Enforcement of Competition Law, December 2010, chapter co-author

"Shady Grove And State Limits On Competition Claims," Competition Law360, May 19, 2010, co-author 

California State Antitrust & Unfair Competition Law, 2009, co-author 

Professional Affiliations

Noteworthy

Patrick serves on the board of directors of a small forging company based in Texas.

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