5 Things to Keep in Mind When Patenting an Invention in India In today’s competitive world, every invention deserves patent protection. But before you patent

Not every invention qualifies for patent protection in India. The Patents Act, 1970 sets out specific exclusions under Sections 3 and 4 covering pharmaceuticals, software, biological materials, and atomic energy. This guide explains every exclusion category, the landmark cases that shaped their interpretation, and how to draft applications that navigate them.

Every Indian patent must be renewed annually from the third year after filing using Form 4 — and the IPO sends no reminders. This guide covers the complete fee schedule by applicant category (Natural Person, Startup, Small Entity, Large Entity), the 6-month grace period, and the Section 60 restoration process for lapsed patents.