Search for patents in India and browse IPC (International Patent Classification) classes. Includes links to IPO InPASS, Google Patents, WIPO. Patent filing fees and process guide for India.
Search Indian patents and find the right IPC class
Search Indian Patents at IPO InPASS
The Indian Patent Office (IPO) provides free patent search through InPASS (Indian Patent Advanced Search System). Search by title, abstract, applicant, inventor, IPC class, or application number.
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Term: 20 years from filing date
Protects new inventions or functional improvements. Most common type in India.
Term: 15 years from grant date
Protects ornamental/visual design of a functional item. Filed under Designs Act, 2000.
Term: 15-18 years
Protection for new plant varieties under Protection of Plant Varieties Act, 2001.
The International Patent Classification (IPC) organizes all technology areas into 8 sections. Find the right IPC class for your invention before filing.
| Parameter | Details |
|---|---|
| Filing Authority | Indian Patent Office (IPO) under CGPDTM |
| Governing Law | Patents Act, 1970 (amended 2005) |
| Patent Term | 20 years from filing date |
| Filing Fee (Individual) | Rs 1,600 (e-filing) / Rs 4,000 (physical) |
| Filing Fee (Startup) | Rs 4,000 (e-filing) - 80% rebate available |
| Filing Fee (Others) | Rs 8,000 (e-filing) / Rs 20,000 (physical) |
| Examination Fee | Rs 4,000 (individual) / Rs 20,000 (others) |
| Processing Time | 2-5 years (expedited: 12-18 months) |
| Annual Renewal | From 3rd year onwards, increasing yearly |
| IPO Offices | Delhi, Mumbai, Kolkata, Chennai |
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