AS noted, using someone's name, likeness or image to sell or promote a good or service is almost always going to violate their right to publicity...

If I wanted to sell a t-shirt with a photo of Robin William's face and movie quote on back from Jack.

That would be a clear violation of his right to publicity and privacy and many states including CA where he was a resident at his time of death...

Can I use a picture from another source in my website?

We can't answer this definitively here because there are times when using another's copyright protected work will fall cleanly under fair use, but...

I have a unique name that is also the name of my personal business. My exact name was just used in a large movie.

No, and the simple reason is because using that name in a movie does not amount to trademark use. But this more outside the box here. Every TV show...

Help needed regarding a Trademark

Your specific situation is not entirely clear. But that said, it is not uncommon for licensees, like say a distributor to register the mark in the...

The test under copyright infringement is called "substantial similarity." Any creative expression will be covered by copyright law automatically...

I am planning to start an app, I am not sure what are the first steps legally as far as protecting the idea and patent it

Really all you can do here at this point is reach out to several lawyers and get some insights about how best to move forward. You may have...

If a newspaper credits a photo to a photography agency, is it OK for the newspaper to crop out the agency's watermark?

A news outlet is taking big risks by publishing copyright protected photos that it has no direct permission to use. I suspect that the...

Can I trademark my "marketplace" website?

Sure, there is no threshold reason why you could not register your mark for this with the USPTO. The fact that you have successfully registered...

Are there any publicly-published documents that cannot be cited for other reasons?

You received some good insights. I think this was just an example of a poorly worded disclaimer. As note, of course there are times when one might...