The U.S. Chamber of Commerce and at least one other business group intervened in the appeal of a class action in hopes of stemming food-labeling cases in California.

The case, brought in 2012, challenges the accuracy of labels on Chobani Greek yogurt and is among a number of class actions filed in the past two years raising food-labeling claims—particularly in the U.S. District Court for the Northern District of California, referred to by critics as the “food court.”