Can a person trademark a specific use of a trademark character?

A trademark identifies the source for goods or services thereby reducing the likelihood of consumer confusion. The question, however, suggests...

What would the penalty be for selling a product that I have patented that includes features that infringe on another product?

First, the assertion that the asker already has a patent which incorporates elements of another invention implies that the asker can proceed and...

The point of Trademark Registration is to give the consumer certainty as to the source of the goods or services. See Trademark Counsel.

Can I sue someone for selling music with my vocals on it?

Your work of authorship in the 1990's created a copyright property. Was it your property or owned by a group or another? When was it published...

The use is probably a statutory "Fair Use" which includes use of copyright property for criticism, comment, news reporting, teaching, scholarship...

Can I use copyrighted names in a paid informative application without licensing them from the company?

You will need permission from Disney to accomplish this without encountering the long law arm of Disney. See Intellectual Property counsel.

The plates, if novel and non-obvious, are patentable. The screws may be viewed by those of ordinary skills in such arts as varying in some aspect,...

Advertising a business providing products or services is not limited unless infringement occurs - copyright and trademark issues could arise. See...

Short phrases are generally not protected by Copyright. And Patent protection is for new structures that do something. See counsel for guidance.

WHY WOULD A COMPANY WANT TO PURCHASE A PATENT PENDING IDEA?

The company would conduct their own analysis of the likelihood of infringement and issuance. Purchase before issuance is with substantial...