Nov 17, 2016 5:19 PM

NH joins 41 states in antitrust lawsuit against the makers of opioid treatment drug

New Hampshire has joined 41 other states in filing an antitrust lawsuit against the makers of Suboxone, a prescription drug used to treat opioid addiction, for allegedly conspiring to keep generic versions of the drug from the market.

The lawsuit accuses the company of violating state and federal antitrust laws by conspiring with Monosol RX to switch Suboxone from a tablet version to a film that dissolves in the month, a slight change designed to prevent a generic alternative from being marketed.

The attorneys general alleged that this conduct was illegal “product hopping,” where a company makes modest changes to its product to extend patent protections so other companies cannot enter the market and offer cheaper generic alternatives.

Thursday's filing added six additional states to the filing made back in September.

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