If the Justices agree, commercial speech will gain an important new measure of constitutional protection.

"If it's very difficult to define commercial speech, isn't it true that companies will be chilled in speaking?"

But commercial speech did not seem to be the focus of the Court's interest during today's argument.

That would be an infringement on commercial free speech and is the wrong way to go.

I mean that they "blur the distinction between program content and commercial speech".

Reynolds denied marketing to children and defended its "right to commercial free speech."

"It's still pretty much a complete ban and violates the right to commercial free speech."

The area has become known as commercial speech, and a majority of the cases have concerned the manner in which businesses can advertise.

The case could be an important test of the court's evolving approach to commercial speech.

Such a limitation on commercial speech might be upheld by the courts.