How do I go about copyrighting or trademarking my pseudonym to use for publishing and blogging purposes?

While this is a relatively short post, it is packed with legal issues. Starting with the business aspects, you may want to consider forming some...

Can I put college logos on ping pong balls and sell them on College Campuses

As noted, this is straight up infringement. This is exactly the kind of thing an enterprising business would seek licenses for. If you need...

How can i get compensation

There is nothing anyone here can offer that will help. You simply need to have a proper case matter analysis conducted to determine whether you...

There several variables to consider and the short answer is that there is no way to answer this here. You bot may be able to claim common prior use...

The only answer you can expect to receive here over this free and public Q&A forum will be "maybe." There are several IP considerations. It is...

What are my options moving forward?

Let me take your last point first, don't even start thinking about foreign applications until you have received actual legal advice on the mark and...

Can we operate as "XYZ Hats" without violating "XYZ" trademark? If we appeal, how long does it usually take in court?

While there is no doubt that you are both in the same sandbox, there are far too many variables involved to address this here. It is very possible...

If I use my own photo of a manufactured doll in my own CD album artwork, costumed satirically, am I infringing on trademark?

You received some good answers. I agree that the specter of a trademark issue arises if the doll is very recognizable because you are making it the...

Can I legally take a domain name from its owner if the domain name uses a word/name that I trademarked?

No, that's not how it works. There is in fact an entire legal industry that focuses on domain speculation. The only remedy you would have is if...

Can I use other book as research for my book?

You are free to use anything you want as a resource. As you note, facts on their own are not protected under copyright law. It is the creative...