kconcept-shutterstock-com
Kconcept / Shutterstock.com
18 December 2015Pharma

CAFC’s affirmation of PTAB Merck patent ruling raises questions

The US Court of Appeals for the Federal Circuit’s affirmation of the Patent Trial and Appeal Board’s (PTAB) decision to invalidate a Merck patent used to reduce homocysteine in the human body faced criticism from a dissenting judge, who claimed the court showed too much deference to the body’s decision.

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

Pharma
1 October 2026   The decision leaves a $177 million verdict against Lilly intact, but a dissenting judge has warned the ruling could “undermine medical innovation” by allowing overly broad patent claims to survive and provide a way around the Supreme Court’s Amgen decision.
Pharma
28 September 2026   Can a drug’s ‘inactive’ precursor qualify for a multi-million pound patent extension? The UK High Court has just delivered a ruling on Takeda's ADHD drug Elvanse, weighing regulatory precedent against a conflicting German decision.
Pharma
25 September 2026   Another Wegovy patent has been drawn into the long-running dispute between Mylan and Novo Nordisk over proposed generic versions of the weight-loss drug.