Can a non-human legal entity own copyright? Can non-human legal entities (for example, corporations) own copyright?
Yes. For example, corporations can own copyright. They may own copyright after assignment (this is true across much of the commonwealth and in the U.S.). In some jurisdictions, when a work is made for hire, the employer may be deemed the author and initial owner (e.g. U.S.) or just the initial owner (e.g. Canada).
Legally, yes, if you get a license from Blizzard (unlikely, and if so, they'll probably want either money or a portion of your profits). Otherwise, not legally. This is exactly the situation that IP law (e.g. copyright and trademark) was created to address. Blizzard created the game and so they have rights to control and benefit from derivatives there of. There are some exceptions, but prints, buttons, and keychains are not likely to meet the requirements for those.
License to use does not mean license to create derivative works These are different rights under copyright. If you want to make a derivative work, which your animations are, you must have a license to do so.
It would be terribly risky for you to simply link another company's terms of service. What if they take their server down? What if they change their terms? You would not even know when exactly the changes were made. Copying their terms means you might run into copyright issues on the text. Either pay a lawyer to write your ToS for you, or see if you can find something in the public domain.
You can't You agreed: by submitting Materials in any form to the Company, in addition to other provisions of the Terms, you automatically grant Company a royalty-free, world-wide, irrevocable, non-exclusive, and assignable right and license to use, copy, reproduce, modify, adapt, publish, edit, translate, create derivative works from, transmit, distribute, publicly display and publicly perform such Materials for the purpose of displaying and promoting the Materials on any website operated by, and in any related marketing materials produced by, the Company and its affiliates. They can keep and use your data forever and give it to whoever they want. The clause you quote doesn't alter that. All it says is that once a year, if you ask, they will tell you what information they shared and with whom. If they feel like it they will tell you how to get the information deleted.
is contract text itself subject to copyright? What are my options? It largely depends on the originality of your contract. C &amp; J Management Corp. v. Anderson, 707 F.Supp.2d 858, 862 (2009) points to multiple references against preclusion of "a copyrightable interest in a contract". But you would need to prove that your competitor copied "original elements" of your contract including "a minimum degree of creativity and originality required to support a valid copyright". See Donald v. Uarco Business Forms, 478 F.2d 764, 766 (1973). Your post provides no information that would help identifying or ruling out this issue in your matter. Without realizing, you might have paid dearly for boilerplate language that your lawyer copied from somewhere else. Indeed, there is so much regurgitation and copy/pasting in the legal "profession" (judges included, as is notorious in judicial opinions they release and in the similarities --verbatim-- among the procedure law of many, many U.S. jurisdictions). That regurgitation is not bad in and of itself, though, since what matters is the expeditious administration of justice and the protection of your rights, rather than obtaining creative expressions authored by some lawyer. You might end up wasting valuable energy and money if you went after the competitor for something like this without first assessing the extent of originality in your contract. Focus instead on the much more detrimental fact that your competitor "plays dirty in general".
In the US, copyright is granted automatically when content is created, so party A owns the copyright to the work. Party B has filed a fraudulent copyright registration, attempting to claim ownership of a work they did not create and do not own. This does not give them ownership rights to the work. Party A may need to go to court to prove their ownership of the work and have the copyright office issue a cancellation of copyright registration, since party B should not be the registered copyright holder of the work. In theory, one cannot register a copyright they do not own in the first place, and B's fraudulent registration does not somehow grant them legal rights to the original work. Of course, this will be a matter for the courts to decide.
No. The "pricing structure" here is essentially an algorithm. It can be patented but not copyrighted.