June 16 (UPI) -- All 50 states, the District of Columbia and four other U.S. territories signed off on a multi-billion dollar settlement proposal with OxyContin maker Purdue Pharma in litigation over Purdue's alleged role in fueling America's opioid addiction crisis.

In March, Purdue Pharma attorneys filed the proposed $7.4 billion settlement deal in a federal bankruptcy court over Purdue's assumed role in improper marketing practices after private negotiations with state attorneys general and other stakeholders in its bid to finalize the years-long lawsuit.

It takes the place of a prior settlement proposal the U.S Supreme Court overturned last year in a 5-4 ruling in June.

If finalized by all relevant parties, payouts would be issued over the next several years contingent on the approval by a U.S. bankruptcy court.

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