Copyright isn't relevant here, at least not presumably. Before you invest in any trademark of your own make sure you get some legal guidance...

You can't protect a business concept or idea. You can protect your branding (trademark/logos/taglines/trade dress). You can also protect your...

Do I need a Terms of Service for a Free SaaS?

The app is governed by an End User License Agreement (EULA) and usually a privacy policy as well. You may also want to clear and file the trademark...

As noted, if this is just for personal use then there really is no reason for concern. But if she is commercializing this then she will need a...

The title to single creative works are not protect either by copyright, because they are too short, or trademark, unless it is part of a series....

What are the laws around mixing and mashing pop culture IPs to create new products?

It will largely depend on whether your work will be seen as social/political commentary or whether it will be seen as using the famous people to...

Merely rewriting these characters into an erotic setting will not make it a parody under fair use law. That will usually require some kind of...

What can I do, and do I have a case at all?

I'm not entirely clear what your main concern is here. The question is tagged in intellectual property, but it could also be an employment law...

Trademark will only relevant if you are using the character as a source identifier for a good or service. Any creative expression will be...

The ads are likely still covered by copyright at least presumably, but perhaps some of the older ones the copyright may have lapsed but the...