PTAB Weighs Sanofi Insulin Pen Patents In Mylan IP Row

Law360 (January 15, 2020, 10:16 PM EST) -- The Patent Trial and Appeal Board asked tough questions about the role of injection force during six consolidated inter partes reviews Wednesday in Mylan’s effort to knock out several Sanofi-Aventis patents covering the Lantus SoloStar disposable insulin injection pen.

Mylan Pharmaceuticals Inc. argued that the Sanofi patents would have been obvious to a skilled artisan — someone with a bachelor’s degree in mechanical engineering with an understanding of medical device design — and said Sanofi hung its validity defense on an element the patents don’t even claim.

Mylan said a skilled artisan would have been motivated to undertake various modifications of...

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