tag:blogger.com,1999:blog-23573960.post1102794116854657285..comments2023-10-26T12:08:39.587+05:30Comments on patent circle: Pfizer sued Ranbaxy over Caduet PatentVarun Chhonkarhttp://www.blogger.com/profile/14832100552935109903noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-23573960.post-15357259214575586372007-03-20T20:42:00.000+05:302007-03-20T20:42:00.000+05:30Ranbaxy filed Para IV certification with respect t...Ranbaxy filed Para IV certification with respect to all Orange Book patents for Caduet.<BR/><BR/>However, Pfizer sued ranbaxy for infringement of the U.S. Patents Nos. 4,681,893 and 6,455,574. <BR/><BR/>Pfizer in its complaint has raised the issue of res judicta and collateral estoppel from attacking the validity and enforceability of the patent term extension for the '893 patent and the Varun Chhonkarhttps://www.blogger.com/profile/14832100552935109903noreply@blogger.comtag:blogger.com,1999:blog-23573960.post-58593271335204066582007-03-19T09:51:00.000+05:302007-03-19T09:51:00.000+05:30Dear Varun,Nice one.Can you give some analysis on ...Dear Varun,<BR/>Nice one.<BR/>Can you give some analysis on this case? I would like to know that <BR/>1) For which patents Ranbaxy applied for Para IV and for which patents Pfizer sued Ranbaxy.<BR/>2) As Atorvastatin patents are valid in earlier case, Why Ranbaxy applied for Para IV?<BR/>Looking for your comment.<BR/>Regards<BR/>RakeshPatent Attorneyhttps://www.blogger.com/profile/00680532158686682552noreply@blogger.com