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Drafting the best background section of patent applications

Author: By Yali Shao and Ziqing Wu, Liu Shen & Associates

How much disclosure is appropriate for the background section of a patent application? This question is difficult to answer, especially when it applies to a multinational application as different countries have different regulations regarding t...

Green light for business method patents

Author: Chen Xiaofan

Chen Xiaofan of Liu Shen & Associates explains the significance of China’s change of heart on business method innovations. 11th November is an important date to online consumers in China. The socalled “Singles Day”, initially a made-...

Sufficient Disclosure Issue in China

Author: Xinhua Wang & Bo Zhang

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 invention or the utility model in a manner sufficiently clear and complete so as to...

Influence of Amendments Under Article 33 for Stability of Patent Rights

Author: Ran Zhai & Yu Cao

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 for a patent for invention or utility model may not go beyond the scope of disclos...

Trade Secret and Patent Protection in China

Author: Yuhua Qu & Guifen Yi, Liu

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 economic benefits to the owner of rights, which has practical applicability and for...