An outline of the relevant law and practical steps to take when defending a patent infringement claim in China. This Note looks at risk assessments and pre-action considerations necessary to protect a company against an infringement action, such as a preliminary injunction, evidence preservation orders and asset preservation orders. It considers invalidation proceedings, challenging defective service and court jurisdiction. The Note details the steps a practitioner should take to prepare a defence, including a list of possible defences, and the types of evidence that are admissible in court. The Note includes a checklist for practitioners to use to ensure they have followed all necessary steps when defending proceedings.