We previously discussed patent term compensation for patent office delay (‘Patent Term Adjustment’ or ‘PTA’) when such new system was introduced in the Fourth Amendment of the Chinese Patent Law (2020), as well as in the different versions of the Draft Examination Guidelines released in 2021 and 2022. In this article, we consolidate everything you need to know based on the latest updates regarding PTA in the Implementation Regulations and Examination Guidelines, which were just released in late 2023. Patent Term Adjustment (PTA) Article 42.2 of the Patent Law states that “[w]here a patent right for an invention is granted after the expiration of four years from the filing date and after…
