A Case Study on Relations between Estoppel Doctrine and All Technical Feature Doctrine

The case in brief Someone by the name Xie is the patentee of the patent ZL 01802972.8 for the invention of a process for automatic and invisible dialing to report loss of cell phone.In June 2004,Xie sued in the Beijing No.1 Intermediate People's Court against an infringement of the patent,arguing that the Haier Xinge 3100 cell phone having its intelligent anti-theft function infringed said patent right in suit.