Argentum can't bring Gilenya patent challenge

Argentum Pharmaceuticals can’t have a Novartis patent for a multiple sclerosis drug invalidated because it doesn’t have standing to bring the challenge, the US Court of Appeals for the Federal Circuit has ruled.

Already registered?

For multi-user price options, or to check if your company has an existing subscription that we can add you to for FREE, please email Adrian Tapping at atapping@newtonmedia.co.uk

More on this story

Americas

Fed Circ overturns PTAB decision in $83.4m DNA case

26 January 2026 The court found the board applied the wrong legal standard when evaluating Guardant Health’s obviousness challenge to a University of Washington DNA sequencing patent.

Americas

AI is transforming top 100 innovators, shows index

23 January 2026 Just one pharma company is recognised in a report that lists the most world's most inventive countries and companies.

Americas

Novartis win blocks generics relitigating $7.8bn heart drug patent

22 January 2026 A district court judge shuts down a Novartis rival from reopening validity and infringement arguments over an Entresto patent.