Legal experts questioned Gilead's decision to take up the matter at the Delhi HC, saying it ought to have directly approached the Kolkata P...

Gilead's patent application was first rejected - just before President Obama's visit in 2015 January - which was seen to be upsetting the U...

The IPAB revoked Roche's patent for Pegasys on grounds that the process of pegylation did not enhance the efficacy of the drug.