Mass. Gen. Laws ch. 258D, § 3: Commencement of action; manner of proceedings

Section 3. A civil action brought against the commonwealth under this chapter shall be brought in the county where the claimant was convicted or in Suffolk county. The superior court shall have exclusive jurisdiction of all such actions. All civil actions brought pursuant to this chapter shall in all manner proceed by and be governed by the rules of civil procedure except as otherwise expressly provided in this chapter. Upon motion of the claimant, the court shall advance the proceeding for expedited discovery and a speedy trial so that it may be heard and determined with as little delay as possible.