Do I need to contact the manufacturer to use their product for my invention?

Normally no, unless you use their brand name. See Attorney Ross's answer for details. If there is a patent on the product you are using then patent...

Cease and desist or should I discontinue selling my product?

We can not make that call for you. My best guess is you should stop.You are here asking for free advice, which suggests you are not rich enough to...

How to get my domain name back?

"Technically it's mine." No it's not. You abandoned it and failed to renew itand someone else legally took it, unless there are other facts you did...

EX INSTRUCTORS USING MY CHOREOGRAPHY & SPREADING THE WORD TO MY CURRENT CLIENTS.

You should see a copyright attorney or employment attorney or an entertainment attorney. I think you likely have a claim on both counts. This is a...

If a song is free to distribute in any medium under a Creative Commons license, can I use it in a film for film festivals?

Under which Creative Commons license? there are six types. All require attribution. Some allow modification, others don't. Some allow commercial...

Pan Am not existing anymore, could an establishment (bar/restaurant) be named after the airline?

Already done. http://tsdr.uspto.gov/#caseNumber=79125721&caseType=SERIAL_NO&searchType=statusSearch

I have 3 DBAs and I want to rename them and put them under a parent company. The goal is to have fewer annual filings.

See a business attorney. It is not clear what your present structure is other than you have three DBAs. I presume you mean these are three separate...

It is both a trademark and copyright issue. You need permission. You go about this by contacting Nickelodeon and seeking a license, which is...

What is the difference between an answer and a counterclaim in a copyright case?

You should be thinking about which lawyer you will use and you obviously do not even know the most basic of litigation terminology. The words...

I have started a Gaming Club and i don't have the money to register for a trademark for the group name. how do i protect myself

Hello iClan Websites. You better get some money and "afford" at least a clearance search so you don't become Roadkill in Dayz. And for heaven's...