Someone else's patent: what an injunction against a licensed product does to the licensor's royalty
On 7 October the District Court of The Hague ordered MSD to stop selling the subcutaneous form of Keytruda in eight European countries. The patent belongs to Halozyme. The enzyme in the product belongs to neither party. Alteogen, a Korean company, makes berahyaluronidase alfa and licenses it to Merck, which