What would be the grad program for studying Paralegal in the US? What would be the grad program for studying Paralegal in the US?
In the US, there isn't any standard- there are associate's, bachelor's, and master's degree programs for paralegals along with shorter certificate programs.  There are also professional certifications that you can take a test for. 

If you really want a master's degree, there are lots of programs offering a "Master's in Legal Studies" for paralegals.