CALIFORNIA MEDICAL ASSN. v. AETNA HEALTH OF CALIFORNIA INC.

No. S269212.

14 Cal.5th 1075 (2023)

CALIFORNIA MEDICAL ASSOCIATION, Plaintiff and Appellant, v. AETNA HEALTH OF CALIFORNIA INC., Defendant and Respondent.

Supreme Court of California.

July 17, 2023.


Attorney(s) appearing for the Case

Whatley Kallas, Alan M. Mansfield , Edith M. Kallas , Deborah J. Winegard ; Altshuler Berzon, Michael Rubin and Stacey M. Leyton for Plaintiff and Appellant.

Rob Bonta , Attorney General, Nicklas A. Akers , Assistant Attorney General, Michele Van Gelderen and Amy Chmielewski , Deputy Attorneys General, for the Attorney General of California as Amicus Curiae on behalf of Plaintiff and Appellant.

Strumwasser & Woocher, Michael J. Strumwasser , Bryce A. Gee and Salvador Perez for the American Medical Association as Amicus Curiae on behalf of Plaintiff and Appellant.

Jerry Flanagan and Ryan Mellino for Consumer Watchdog as Amicus Curiae on behalf of Plaintiff and Appellant.

Law Office of Jonathan Weissglass and Jonathan Weissglass for the Service Employees International Union California State Council, International Brotherhood of Teamsters Joint Council 7, Writers Guild of America, West, Inc., United Food and Commercial Workers Western States Council and United Farm Workers of America as Amici Curiae on behalf of Plaintiff and Appellant.

Thomas A. Myers , Jonathan M. Eisenberg and Kirra N. Jones for AIDS Healthcare Foundation as Amicus Curiae on behalf of Plaintiff and Appellant.

David Chiu , City Attorney (San Francisco), Yvonne R. Meré , Owen J. Clements , Chief Deputy City Attorneys, Ronald H. Lee , Deputy City Attorney, Barbara J. Parker , City Attorney (Oakland), Mara W. Elliott , City Attorney (San Diego), and Nora V. Frimann , City Attorney (San Jose), for local prosecutors as Amici Curiae on behalf of Plaintiff and Appellant.

Cristina Kladis and Christopher Berry for Animal Legal Defense Fund as Amicus Curiae on behalf of Plaintiff and Appellant.

Spertus, Landes & Umhofer, Matthew Umhofer , Elizabeth Mitchell ; Williams & Connolly, Enu Mainigi , Craig Singer , Grant Geyerman and Benjamin Hazelwood for Defendant and Respondent.

Munger, Tolles & Olson, Sarah Weiner and Henry Weissmann for Chamber of Commerce of the United States of America as Amicus Curiae on behalf of Defendant and Respondent.

Daponde Simpson Rowe, Michael J. Daponde and Darcy Muilenburg for California Association of Health Plans and Association of California Life and Health Insurance Companies as Amici Curiae on behalf of Defendant and Respondent.

The Office of Michael Tenenbaum and Michael Tenenbaum for Ken Frank and Sean Chaney as Amici Curiae on behalf of Defendant and Respondent.


OPINION

The California Medical Association, a professional association representing California physicians, has sued a health insurance company, alleging the company violated the unfair competition law (UCL; Bus. & Prof. Code, § 17200 et seq.) by engaging in unlawful business practices. The UCL confers standing...

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