I work for a Mopar Magazine and I talk to Chrysler insiders. The only reason they re-upped the trademarked Cuda' name is because you need to when selling any merchandise. If they wanna sell little 70 Cuda model kits, they need the name. And they can have others pay them to use the name, from Hot Wheels to AMD.
It is as though GM went and trademarked Trans Am or Firebird. They aren't going to make a new one, but they don't want others to have that name as well.