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Urgent Update: Indonesia Reinstated Article 4(f) to Disallow Patent Evergreening  - AFFA IPR

-September 18, 2026

On 28 August 2026, Indonesia’s Constitutional Court issued Decision No. 255/PUU-XXIII/2025, reinstating Article 4(f) of the Patent Law and its explanatory provisions, which Law No. 65 of 2024 had previously omitted. The decision restores the exclusion from patentability of new uses of existing or known products, including...

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