New Delhi, July 20 -- Nokia Technologies, a subsidiary of Finnish multinational Nokia Corp., has approached the Delhi High Court challenging the Indian Patent Office's refusal to grant its patent for an "enhanced registration procedure" designed to support its advanced 5G network slicing technology in India.

On 17 July, Justice Saurabh Banerjee issued notice to the assistant controller of patents and designs, directing a response to Nokia's plea. The matter is scheduled for further hearing in November.

Network slicing lets telecom companies divide one network into many separate parts, like creating different lanes on a highway. Each slice is used for different things, such as faster internet for phones, special connections for hospitals...