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Chengdu Sino-strong v CNIPA: shifting criteria for inventive...July 28 2025Chengdu Sino-strong v CNIPA: shifting criteria for inventiveness assessments of polymorph patents?On April 30 2025, the Beijing Intellectual Property Court (BIPC) released its annual report on exemplary intellectual property cases of 2024, among which there is a noteworthy case concerning the vali...July 28 2025 -
China: Assessing inventive step for pharmaceutical combinati...June 30 2025China: Assessing inventive step for pharmaceutical combination formulationsA ‘combination formulation’ refers to a pharmaceutical formulation containing two or more active ingredients. Leveraging synergistic effects, a combination formulation often exhibits better efficacy...June 30 2025 -
Patent Litigation in China in 2025Mar 12 2025Patent Litigation in China in 2025Throughout 2024, China’s patent litigation remained active. The IP Tribunal of the Supreme People’s Court (SPC) has issued decisions providing further guidance on damages calculation in the SEP/FRAN...Mar 12 2025 -
Weighing ‘reasonable expectation of success’ in drug paten...Nov 13 2024Weighing ‘reasonable expectation of success’ in drug patent inventiveness assessments in ChinaOn August 13 2024, the Re-examination and Invalidation Department (previously known as the Patent Re-examination Board) of the CNIPA published the Compilation of Synopses of Exemplary Patent Re-examin...Nov 13 2024 -
CNIPA’s new tweak over inventiveness assessments of co-solv...Oct 15 2024CNIPA’s new tweak over inventiveness assessments of co-solvent compound crystalsWu Xiaohui, October 15, 2024, first published by MIPWu Xiaohui of Wanhuida Intellectual Property explains why a recent decision on inventiveness assessments of co-solvent compound crystals heralds a s...Oct 15 2024 -
China’s Supreme Court offers guidance on admissibility of s...Sept 02 2024China’s Supreme Court offers guidance on admissibility of supplementary experimental dataIn April 2024, China’s Supreme People's Court (SPC), acting as court of appeal, sided with the Beijing Intellectual Property Court (BIPC) in affirming the inventiveness of an enzalutamide compound pa...Sept 02 2024 -
Supreme People’s Court deals blow to Sanofi in patent inval...Aug 28 2024Supreme People’s Court deals blow to Sanofi in patent invalidity rulingsIn May 2024, China Judgements Online – the official online database of court judgments – published three Supreme People’s Court decisions (in which it was acting as a court of appeal) in three para...Aug 28 2024 -
How to patent targeted therapy pharmaceuticals in ChinaAug 07 2024How to patent targeted therapy pharmaceuticals in ChinaMiranda Xie, 7 August 2024, first published by IAMPrecis: The CNIPA’s examination practice when it comes to targeted therapy drugs is tightening, with examiners increasingly inclined to reject claims...Aug 07 2024 -
What applicants need to know about partial design examinatio...July 25 2024What applicants need to know about partial design examination in ChinaLi Han, first published by WTR• Although design patent applications are not subject to substantive examination, partial design applicants could still meet objections• A design patent application must ...July 25 2024 -
Patenting AI-driven drug compound screening inventions in Ch...July 05 2024Patenting AI-driven drug compound screening inventions in ChinaThe integration of AI in drug discovery, particularly in the screening of drug compounds, ushers in seismic change to the pharmaceutical industry. AI technologies, especially machine learning and deep...July 05 2024 -
China’s SPC offers guidance on identifying technical proble...May 23 2024China’s SPC offers guidance on identifying technical problems actually solved in inventiveness assessmentsThe non-obviousness of a claimed invention to persons skilled in the art hinges on whether the prior art provides motivation for applying the distinguishing features of the invention to the closest pr...May 23 2024 -
CNIPA clarifies examination rule over an inventiveness asses...Apr 08 2024CNIPA clarifies examination rule over an inventiveness assessment step (2024)Since non-obviousness of the invention is benchmarked against the closest prior art and the technical problem actually solved by the invention, should the technical problem be defined in an overly bro...Apr 08 2024