Company A, the patentee of the patent in question, filed an infringement lawsuit against Company B (including three affiliated entities) in 2007 (the Prior Action). In May 2013, the court of first instance found infringement, ordered Company B to cease th

The Supreme People's Court has issued rulings in two cases concerning applications for reconsideration of preliminary injunctions in patent infringement disputes, clarifying an important legal standard: When a court, after trial, issues both a first-insta

The Supreme People's Court has issued a final judgment in a dispute over infringement of an invention patent, providing important guidance on how to determine the scope of protection for claims that are formally dependent but substantively independent. Th

The Supreme People's Court issued a ruling on a jurisdictional dispute in a lawsuit seeking confirmation of non-infringement. The Court stated that when a patent holder sends a warning letter that does not clearly identify which patent is being infringed

In an infringement case, the Supreme People's Court established: For a method patent directed to the use of a device, an accused infringer who assembles and tests that device is highly likely to have practiced the patented method during those activities.

The Supreme People's Court has issued a final judgment in an administrative dispute over the invalidation proceedings against a utility model patent. The Court held that the dispute patent identified a technical problem that would not have been easily dis

The Supreme People's Court has concluded an administrative dispute involving a utility model patent. In its ruling, the Court clarified: If the closest prior art lacks an inherent connection to the technical problem that the invention seeks to address, or

In a recent administrative appeal ruling, the Supreme People's Court clarified that when assessing inventiveness, all technical features and their coordination relationship must be considered as a whole, rather than comparing each individual feature in is

The Supreme People's Court issues a final judgment in a dispute over infringement of a pesticide patent [Factual Background] This case involves a dispute over the infringement of an invention patent for a pesticide. The patentee, Company A, had obtained p

T he China National Intellectual Property Administration (CNIPA) has selected ten typical cases of patent administrative protection from 2025. 1. Patent Infringement Dispute Involving a Clutch Device, Shanghai This case involved the interpretation of offe