RSA 507:7-e Apportionment of Damages.

I. In all actions, the court shall:
(a) Instruct the jury to determine, or if there is no jury shall find, the amount of damages to be awarded to each claimant and against each defendant in accordance with the proportionate fault of each of the parties; and
(b) Enter judgment against each party liable on the basis of the rules of joint and several liability, except that if any party shall be less than 50 percent at fault, then that party's liability shall be several and not joint and he shall be liable only for the damages attributable to him.
(c) RSA 507:7-e, I(b) notwithstanding, in all cases where parties are found to have knowingly pursued or taken active part in a common plan or design resulting in the harm, grant judgment against all such parties on the basis