Synthon B.V. v Teva Pharmaceutical Industries Ltd

Patent – Practice. The claimant challenged the validity of two patents both entitled 'Process for the preparation of mixtures of trifluoroacetyl GA using purified hydrobromic acid'. The patents belonged to the defendant and related to glatiramer acetate which was used for the treatment of relapsing remitting multiple sclerosis. The attack on the validity of all the claims was rejected, save that certain of the claims were invalid for added matter.

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