shutterstock_1384219187_picturedesignswiss
PictureDesignSwiss / Shutterstock.com
21 September 2020BiotechnologyMuireann 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

Biotechnology
22 October 2025   Chuck Scholtz, head of IP at Verdiva Bio, shares the pressures of global filing strategies on tight budgets, why there’s no ‘right way’ to manage IP, and how to get the best results from external counsel relationships.
Biotechnology
2 September 2025   Erik Viik of Papula-Nevinpat looks at the dynamics that international applicants need to be aware of to secure and manage their patent rights across the region.
Biotechnology
12 June 2025   Judges uphold PTAB’s finding that two Agilent patents are invalid | All claims of patents, which cover guide RNAs, found to be anticipated by prior art.