New Delhi, Jan. 2 -- The Delhi High Court has refused to interfere with the grant of a pharmaceutical patent to Swiss drugmaker Helsinn Healthcare SA for a nausea and vomiting medication, dismissing a challenge mounted by Zydus Healthcare Ltd.
In a judgment dated December 24, 2025, Justice Tejas Karia held that the Patent Office committed no jurisdictional error and did not violate the principles of natural justice while granting the patent. The Court clarified that proceedings relating to the examination of a patent application and a pre-grant opposition are distinct and independent processes under the Patents Act.
Appearing for Zydus Healthcare, Senior Advocate Dayan Krishnan argued that the Patent Office ought to have granted the compa...