https://en.m.wikipedia.org/wiki/Virginia_v._Black
https://en.m.wikipedia.org/wiki/Ashcroft_v._Free_Speech_Coal...
You can find a big list of free speech cases here. Many cover non-political speech.
https://en.m.wikipedia.org/wiki/List_of_United_States_Suprem...
https://en.m.wikipedia.org/wiki/Virginia_v._Black
https://en.m.wikipedia.org/wiki/Ashcroft_v._Free_Speech_Coal...
You can find a big list of free speech cases here. Many cover non-political speech.
https://en.m.wikipedia.org/wiki/List_of_United_States_Suprem...