What is the statue of limitation on a personal injury case?

It depends on who you are suing and in general when you discovered the harm (as in a medical malrpactice case). 

Here are some basic statute of limitations:

1. 396.045 Kentucky Revised Statutes (if decedent involved): http://www.lrc.ky.gov/krs/396-00/045.pdf

2. 413.120 Kentucky Revised Statutes regarding Actions generally to be brought within five years (this is where you may need to look)http://www.lrc.ky.gov/krs/413-00/120.pdf

3. 413.160 Kentucky Revised Statutes: An action for relief not provided by statute carries a 10 year limit: http://www.lrc.ky.gov/krs/413-00/160.pdf