Mehmet Oz, filed a trademark infringement complaint against 40 Internet marketers of dietary supplements, including acai berry products among others.

Neither Winfrey nor Dr. Oz ever endorsed any acai berry or dietary supplement.Named in the lawsuits are Advanced Wellness Research, Crush LLC and its owner, TMP Nevada, Inc. and Larby Amirouche, an affiliate marketer that uses search engines, popup ads, websites, and advertising on social networks to drive traffic to suppliers websites.