Supreme Court of California

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Kleffman v. Vonage Holdings Corp., S169195

In plaintiff's class action suit under section 17529.5(a)(2), which makes it unlawful to advertise in a commercial e-mail advertisement (i.e. spam) that "contains or is accompanied by falsified, misrepresented, or forged header information," dismissal of the complaint for failure to state a claim is affirmed as sending commercial e-mail advertisements from multiple domain names for the purpose of bypassing spam filters is not unlawful under section 17529.5(a)(2).

Appellate Information

  • Decided 06/21/2010
  • Published 06/21/2010


  • CHIN, J.


  • Supreme Court of California


  • For Appellant:
  • Hagens BermanSobol Shapiro, Steve W. Berman, Reed R. Kathrein and Elaine T. Byszewski, for Plaintiff and Appellant.

  • For Appellees:
  • Perkins Coie, Judith B. Gitterman, Elizabeth L. McDougall and Rebecca S. Engrav, for Defendants and Appellants., Gibson, Dunn & Crutcher, Daniel M. Kolkey, S. Ashlie Beringer, Michael B. Smith and Benjamin M. Glickman for Email Sender and Provider Coalition and ValueClick, Inc., as Amici Curiae on behalf of Defendants and Appellants.