PCT International Patent Filing

One application. 150+ countries. File a PCT application to seek worldwide patent protection from India.

The Patent Cooperation Treaty (PCT) allows Indian inventors and companies to seek patent protection in over 150 countries through a single international application. It provides 30–31 months from priority date to decide which countries to enter — giving you time to assess commercial potential before incurring national phase costs.

Key Advantages of PCT

  • Single filing covers 150+ member countries
  • 30 months to decide national/regional entry — crucial commercial planning time
  • International Search Report (ISR) and Written Opinion provide patentability assessment
  • Strengthens position in national phase examinations
  • Centrally managed deadlines through WIPO

PCT Timeline

1

International Filing (Month 0–12)

PCT application filed at Indian Patent Office (receiving office) within 12 months of priority date.

2

International Search (Month 16–18)

International Searching Authority issues Search Report and Written Opinion on patentability.

3

International Publication (Month 18)

Application published by WIPO in the PATENTSCOPE database.

4

National Phase Entry (Month 30–31)

Enter national/regional phase in chosen countries. We manage all national phase filings globally.

Industries we serve

This service is engaged most often by businesses in these sectors. Each link opens the long-form IP playbook for that industry.

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