Hoffman la-Roche has filed a suit against Dr.Reddy’s Labs for infringing Roche’s US patent on Valcyte. The US patent was granted in 2000. Most of our readers might know that Roche lost the post-grant opposition in India with respect to an Indian patent on the same drug.
It would be interesting to see how US standards of infringement and invalidity are applied to Valcyte. We’ll keep our readers posted on the developments in the case.