1942 valentine v. chrestensen: 1st distinction between speech and commercial speech
1964 new york times v. sullivan: advertising protected as free speech i an editorial adv. within the boundaries of time place manner restriction
1975 bigelow v. virginia: adv.of a legal service is ok if it serves public interest. cases to be assessed on a case by case basis.
1976 virginia state pharm v. virginia citizens consumer.(drug prices) commercial speech is indispensable to the proper allocation of resources and to the formation of intelligent opinions
- 1977 bates v.state bar of arizona:
- lawyers can advertise