1. Is copying the contents an illegal act (noting that all contents are scientific &engineering facts)

The underlying scientific facts are free to everyone to use. However the expression in the book presenting those facts are protected by copyright....

It is unsettled how shourt a quote must be to be unenforceable for copyright infringement. So consult a copyright attorney to clear the content. ...

Not an Entertainment law question. Check with a local Criminal law attorney.

Can I trademark the words in a domain name that I don't own but isn't in use if they are similar to my domain name?

What you need is to first clear your brand (name) for use and potential registration for particular goods or services that you may intend to market...

Can I include a copyright assignment in a contract for intellectual property that does not yet exist?

No, you can't transfer something that does not yet exist. If you have the song prepared as a "work made for hire' with an appropriate contract and...

Can I proceed under fair law use, or should I get permission from the author?

The books concepts are not protected by copyright. Only the written expression is protected. What you need to do is speak with an experienced...

Any suggestions on how we can have cease & desist come from a legal entity (so it's taken more serious) versus coming from him?

No one would take a Cease and Desist letter seriously, unless it was from an experienced trademark attorney and law firm. If you want to enforce...

Can I use Clip Art that resembles a schools mascot and the city name on a product without using the schools entire name?

If the school has trademark or copyrights in the mascot's image, you may be infringing. I suggest that you have an experienced Trademark,...

Are my photographic copyrights protected under the "fair use" federal law?

I agree with Attorney Vaccaro's analysis. While you own the copyright on the photographs, your posting them on Facebook subjects you to Facebook's...

Is it legal to send virtual tips to cam performers on pornography websites

Yes, Entertainment law is definitely not the correct practice area.