I mentioned this case in passing back in December. The Supreme Court has declined an appeal from "Two Buck Chuck" in the Napa case. From the article:

A California law passed in 2000 requires that if a wine has Napa, or a related name like Rutherford, which is in the Napa Valley, on the label, the wine must be made from at least 75 percent grapes grown in Napa County.

Napa vintners say selling wines labeled Napa but made from cheaper grapes grown elsewhere undercuts the value of their product and their years of working to build Napa's reputation.

Bronco had argued the state law could not trump federal regulations which also carry the 75 percent requirement but exempt brands established before 1986. Bronco also said their labels were not deceptive since the origin of the grapes was spelled out, although in smaller print.

As I noted previously, I fully support this decision.