shutterstock_1384219187_picturedesignswiss
PictureDesignSwiss / Shutterstock.com
21 September 2020BiotechMuireann Bolger

Biogen loses another battle over MS drug patent

In a blow for biotechnology company, Biogen, a US federal judge has ruled that its lone surviving patent on multiple-sclerosis drug Tecfidera (dimethyl fumarate) should remain invalid because the matter had already been resolved by another court.

Already registered?

Login to your account

To request a FREE 2-week trial subscription, please signup.
NOTE - this can take up to 48hrs to be approved.

Two Weeks Free Trial

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

Biotech
21 July 2026   Now a Danaher subsidiary, the company is contesting a number of orders after a California court finalised several aspects of the high-profile dispute.
Biotech
20 July 2026   The biotech company has launched a trio of lawsuits against two vaccine makers, while announcing receipt of a $178 million sum from Moderna under a previous deal.
Biotech
16 July 2026   A Munich court ruled that Illumina infringed a rival’s DNA sequencing patents, handing the challenger an early victory in a dispute that is playing out across Europe and the US.