Publications · October 2025

IP news and practical perspectives on patents and trademarks.

6 articles

IP News

Patent Examination and Grant Statistics of the IP5 Offices

According to the 2023 IP5 Statistics Report jointly issued by the world's five major intellectual property offices (IP5), a comparison of China's invention patent grant rate and examination time with the other four patent offices reveals that China's patent examination speed ranks second fastest among the IP5, trailing only Japan while surpassing South Korea and Europe.

Read article ↗

Patent Insights · Practical Q&A

Foreign Evidence of Prior Public Use in Invalidation Proceedings

I would like to file an invalidation request against a certain patent, relying on evidence of prior public use to argue that the patent lacks novelty. However, the evidence of prior public use is not from China, but from the United States and Europe. Would such evidence obtained outside China be disqualified or disregarded by the Chinese examiner?

Read article ↗

Let’s discuss your IP needs.

Email our team