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Chris Casamassima

Partner at WilmerHale

Christopher Casamassima is a prominent trial lawyer and partner at WilmerHale, based in Los Angeles. With over 23 years of experience, he specializes in complex business disputes, including areas such as antitrust, breach of contract, fraud, trade secrets, and environmental claims.13 His legal expertise encompasses both plaintiff and defendant representation across various industries, including healthcare, entertainment, financial services, and aerospace.12

Professional Achievements

Casamassima has a notable track record of significant victories in high-profile cases. For instance, he represented Sony Pictures Entertainment during a major data breach incident that exposed sensitive information.1 He has also successfully defended clients against class action lawsuits and qui tam claims, showcasing his capability to handle cases with substantial potential exposure.3

His accolades include being recognized in the Lawdragon 500 Leading Litigators in America and named a Southern California “Super Lawyer” multiple times. He has also been featured in the Los Angeles Business Journal's “Thriving in Their 40s” list and has received nominations for leadership roles within the legal community.23

Education and Memberships

Casamassima holds a Juris Doctor degree from the University of California, Los Angeles (UCLA), School of Law, where he served as Submissions Editor for the UCLA Entertainment Law Review. He completed his undergraduate studies with a Bachelor of Arts in History from the University of Pennsylvania, graduating magna cum laude.3 He is an active member of several professional organizations, including the American Bar Association's Antitrust Law Section and the California Lawyers Association’s Environmental Law Section.3

In summary, Christopher Casamassima is a highly respected figure in the legal field, known for his skills in navigating complex litigation and his commitment to serving clients across various sectors.

Highlights

Jan 6 · wilmerhale.com
Christopher Casamassima Named Again to LA Business Journal's ...
Christopher Casamassima Named Again to LA Business Journal's ...
Oct 1 · wilmerhale.com
Christopher T. Casamassima - WilmerHale
Christopher T. Casamassima - WilmerHale
Sep 29 · legal500.com
WilmerHale > United States | Legal 500 law firm profiles | Lawyers
WilmerHale > United States | Legal 500 law firm profiles | Lawyers
Thriving In Their 40's: Christopher Casamassima
Thriving In Their 40's: Christopher Casamassima
May 31 · apps.calbar.ca.gov
Christopher Thomas Casamassima # 211280 - Attorney Search

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Chris Casamassima
Chris Casamassima, photo 1
Chris Casamassima, photo 2
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Location

Los Angeles, California, United States