Can karaoke audio tracks be used in master-class music video tutorials as fair use?

Be very careful before doing anything with karaoke tracks. There are too many variables to answer all possibilities here. Best to retain a lawyer...

Will they be able to legally use the name in the U.S without any implications?

Perhaps they should look into registration of a trademark if they are using the name as a trademark. There are International treaties that extend...

If the work is still the subject of an unexpired copyright then preparing a derivative work would violate the exclusive rights of the copyright owner.

What are the penalties for copyright violations?

It depends on what's proven. Assuming they registered in time, $750 to $30,000 per infringement, up to $180,000 for willful infringement plus...

Go to the original Steamboat Willy and use that hand. The copyright is expired.

Consider buying a brand new computer and preserving the old one as-is. You may be called upon to disprove their claim that there was a download to...

It is likely that if the items directly represent things like characters or other things that could be considered "art" or "sculpture" you could...

Can we register a product with same name in the same class if products are different?

It depends on factors such as the words themselves, how many third are using the mark for similar goods and how many other goods are also...

Can I purchase dietary supplements from a known manufacturer and resell as my own under my own brand?

You need to have the actual chemicals on your labels not someone's trademark as an ingredient. You risk reverse passing off by not disclosing the...

Can I make a coffee mug with a cauliflower ear (Wrestler's/BJJ/Judo/Boxer's/MMA ear) on it if it's already been made?

As a former wrestler and front row rugby forward, I'm not sure I'd need the mug personally! For the configuration of a product to be a trademark,...