Regeneron Pharmaceuticals, Inc v Kymab Ltd and Another: CA 28 Mar 2018

The claimant R now appealed from a finding that its two patents involving transgenic mice were invalid. The ‘in situ replacement’ failed to comply.
Held: The appeal succeeded.

Judges:

Lord Justice Kitchin, LordJustice Floyd, Lady Justice Arden

Citations:

[2018] EWCA Civ 671

Links:

Bailii

Jurisdiction:

England and Wales

Citing:

Appeal fromRegeneron Pharmaceuticals Inc v Kymab Ltd and Another PatC 1-Feb-2016
The parties disputed the validity of K’s patented mouse. R said that the specification was insufficient to allow reproduction, and that it was therefore incomplete.
Held: The specification was insufficient, and the patents invalid. The issue . .

Cited by:

Appeal fromRegeneron Pharmaceuticals Inc v Kymab Ltd SC 24-Jun-2020
SC Kymab alleged that the relevant patents are invalid for insufficiency because they did not enable the ordinary skilled person to work the claimed invention across the breadth of the claims. The patents were . .
Main CA JudgmentRegeneron Pharmaceuticals, Inc v Kymab Ltd and Another CA 23-May-2018
Leave to appeal to Supreme Court refused. Other post judgment issues – form of order. . .
Lists of cited by and citing cases may be incomplete.

Intellectual Property, Animals

Updated: 31 December 2022; Ref: scu.608354