Viatris Loses US Challenge To Januvia And Janumet Patents

US Firm May Appeal; Has Appealed Negative USPTO Decision

Viatris’ attempts to deliver US generic versions of sitagliptin and sitagliptin/metformin ahead of patent expiry has failed for now, with an unfavorable judgment from a district court in West Virginia. More than 20 ANDA sponsors have opted to settle litigation with originator Merck.

patents
EU Januvia generics lined up for this month • Source: Shutterstock

Viatris has again been knocked back in its attempt to launch generic versions of Merck & Co’s sitagliptin-containing medicines, Januvia (sitagliptin) and Janumet (sitagliptin/metformin) film-coated tablets, ahead of patent expiry in the US.

A patent-infringement case stemming from its challenges to patents shielding the branded treatments for type 2 diabetes has ended in...

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