shutterstock_1155156751_atmosphere1
Atmosphere1 / Shutterstock.com
14 January 2021AmericasMuireann Bolger

MSD sues Pfizer’s Wyeth over vaccine patents

Pharmaceutical company MSD (known as 'Merck & Co' in the US) has urged a federal court to rule that its new vaccine doesn’t infringe three patents owned by Pfizer’s subsidiary, Wyeth, because they are invalid.

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

Americas
10 April 2026   The 2026 panel has been chosen. With judges from Amgen, Pfizer, Eli Lilly, Takeda, Regeneron and law firms such as White & Case and Arnold & Porter, here’s who will be deciding this year’s winners.
Americas
7 April 2026   According to the settlement, MSN can maintain its challenge to several Bausch patents, while the details around potential product launch timings are unknown.
Americas
1 April 2026   After years of strict patent rules, Argentina is changing course. New IP reforms are putting the country back on the map, but how companies handle the transition will matter.