Chen Xiaofan of Liu Shen & Associates explains the significance of China’s change of heart on business method innovations. 11th November is an importa…
Sufficient disclosure of an invention is required under the Patent Law of China. According to Article 26, Clause 3 of the law, “the description shall set forth the inventio…
Under the provision of Article 33 of the Patent Law of China, an applicant may amend his or its application for a patent, but the amendment to the application fo…
Trade Secret Protection in China A trade secret is defined as technical information and operational information which is unknown to the public, which may bring econo…
Under the doctrine of estoppel (DOE), a patentee may not recapture in patent litigation what was abandoned through either amendment or observation during prosecution…
When drafting claims of a patent application for an invention, functional technical features are often inevitable or irreplaceable, especially when the invention is …
