Mylan prevails in Sanofi's Lantus SoloSTAR patent battle

11 March 2020

UK-incorporated generics drugmaker Mylan (Nasdaq: MYL) has moved a step nearer to marketing its copy version of Lantus (insulin glargine) in the USA, as the District Court of New Jersey yesterday found the device patent claims (US Patent No 9,526,844) asserted by French pharma major Sanofi (Euronext: SAN) against Mylan's insulin glargine product not infringed and invalid for lack of written description.

Mylan’s shares closed up 4.87% at $14.08 on Tuesday following the announcement.

Separately, as previously announced, Sanofi's formulation patents (US Patent No 7,476,652 and US Patent No 7,713,930) were previously affirmed to be invalid by the Federal Circuit. The '844 and '652 patents were the only patents being asserted by Sanofi against Mylan's insulin glargine product.

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