10 May 2017
Delaware
Reporter: Barney Dixon

Federal circuit affirms Lialda decision


Zydus Pharmaceuticals did not infringe Shire’s patent for the Lialda (mesalamine) drug, the US Court of Appeals for the Federal Circuit has affirmed.

In its 9 May decision, the Federal Circuit upheld the US District Court for the District of Delaware’s decision last year.

The district court found Zydus’s proposed generic version of the ulcerative colitis drug Lialda to be non-infringing.

Shire sued Zydus in 2010 following Zydus’s bid to have the US Food and Drug Administration approve a lower-cost version of Lialda.

Neither party has immediately responded to a request for comment.

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