Mass. Gen. Laws ch. 260, § 2F

Notwithstanding any other provision of this chapter, every cause of action concerning prescription opioids brought against Purdue Pharma L.P., Purdue Pharma Inc., or any of those companies' current or former owners, directors, officers or consultants shall be brought not later than the date required by this chapter, or 6 months from the effective date of this section, whichever is later. This section shall apply regardless of when any such action or claim shall have accrued or been filed, and regardless of whether it may have lapsed or otherwise be barred by time under the law of the commonwealth.