Based on your question and follow-on comments let's assume: (1) both companies do business in Southern California, (2) your company's fictitious...

Using map of a city as part of the trademark

One point not touched on by my colleagues: if the logo contains a map of a city that's recognizable and that city has nothing to do with your...

My colleagues are incorrect. SOME non-profit organizations may lawfully perform nondramatic literary or musical works in the course of a social...

Trademarks: If multiple companies use the same name of a product, does that mean you can join in? Perhaps filing a trademark ?

Q: "... what happens if company D comes along and registers the mark federally on the principle registry." R: That would be fraud. The...

Not lawfully. You would need a license. See https://www.nfl.info/NFLConsProd/Welcome/index.html

Is it illegal for a co-worker, that I have repeatedly asked to stop, continue to pry into my personal life/business

We did not create a legal system to entertain complaints about simple, life annoyances. If you must whine, whine [as my colleague notes] to your...

I need to copyright material I have written before I sell them. Where does trademarking come in?

You first need to read a book on how to publish children's books: http://goo.gl/IktPk Why so cryptic about the "material" you want to sell? ...

Q: "So I need to display the movie poster ... " R: No, you WANT to display the movie poster. Q: "Does this come under fair use?" R: How...

Copyright / privacy issue

Copyright law defines what is, and is not, copyrightable: "Copyright protection subsists ... in original works of authorship fixed in any tangible...

Selected as the best answer

Q: "Am I in big trouble?" R: Yup. Your internet service provider would not have taken the drastic step of shutting off your internet access...