Can I create a website with pro/college sports current and historical game data? Can I charge membership fees for the site?

Yes, provided you don't use pro/college sports tradenames in other than a purely nominative way. Use of logos would significantly up your risk of...

Want to get my music cd returned from audio mastering engineer

Why? Didn't you create a backup? If yes, you don't need that copy. It's copyrighted, so if the engineer were to release it on his own he would be...

Downloading videos from youtube

NO, that would violate the copyright law. 17 USC 106 for which you would be liable under 17 USC 506 in a civil action for copyright infringement....

Can I get sued if my partner in a general partnership took trade secrets that I didn't know about?

Normally yes, and your personal assets may be at risk.Learn the lesson in this and hire business attorney to get an LLC or corporation set up to...

Do I need to register my dba if my W9 has my "first name last name LLC" and the dba secondary?

Yes. If you use a dba you need to register it under most state laws. See a local business or IP attorney.

How do I write a contract giving rights to own or reproduce artwork to a client?

these are called either Copyright assignments our Work For hire. You should have it written by an IP attorney who handles copyright matters. This...

DOES SOMEONE WHO BROUGHT AN IDEA HAVE A CLAIM TO MUSIC WORK?

Get to Ann Entertainment attorney and get protected. Copyright ownership documents need to be in writing.

Generally you can do this provided you do not modify in any way and retain the original brand name. This is risky, nevertheless if the brand owner...

How do I determine how many business are under a corporation in California and what the names of the corporate offices are?

I agree with attorney Smith, and would ad's that you will likely save time and money if you hire this done by an IP or business attorney.

Generally Yes. licensed product is another matter. Don't modify to our fake branding on them.