How can I handle a situation where someone's selling our digital product?

A prior answer that indicated to click through on the link provided by fiverr, is quite correct. I'll just offer a little more detail about...

A question about commercial use of a smartphone camera on public domain paintings in a museum exhibit.

Hmm. I actually don't know the answer to this question, so I certainly do not purport to disagree with any of the responses that have been posted,...

Do I own the material that we create in this class? Do I need my students to sign an agreement that gives me ownership rights?

You've raised two issues, and several people have correctly pointed out that your ownership rights will be impacted by any agreement that you have...

As you'll have inferred from some of the fine answers already posted, when you want to keep an invention secret, your main choices are between...