Whose fault is it when you were driven into the back of when reversing?

Fault will be assigned by the police and/or court to all involved parties. The percentages assigned depend on the existing rules of the road: Yield to the vehicle on the right; maintain full view of path of travel (like backup camera); use of horn in a blind spot; safe speed within the parking lot; lights on after dusk or during inclement weather; etc.

Contact an experienced accident attorney to insure your rights are protected.