You wasted postage. That's a 50 year old myth, that purported to create Federal jurisdiction under the 1909 Copyright Act. That was so there was...

There is no absolute answer and you shouldn't want legal advice to you posted on a public board. Retain a lawyer to provide a confidential opinion....

If it's a new, useful and non-obvious combination you may be able to write patent claims to cover your invention. If you get such a patent, anyone...

You posted on a public board "the aesthetic of this backpack is thought to be original, or a signature of this brand based on material, look,...

If you go to courlistener/recap you will see the docket for Art Ask Agency v. The Individuals, Corporations, Limited Liability Companies,...

Look at your Twitch agreement to see if you gave up copyright enforcement. If you did the camera and recording and you didn't transfer to Twitch or...

It might be better for you to retain a lawyer, ask specific questions based on what you are really concerned about, and get a confidential opinion....

Song name might be OK, although there were years of litigation over "Margaritaville" as a trademark. "[P]rint any anime character" sure sounds...

Spoliation of evidence has its own consequences in a civil case. Of course, you created your own downloads and backups, before you brought up the...

It might be. But calling it "fair use" is not a silver bullet. First, if you only use "ideas" and not someone else's "work of authorship" there...