China National Heavy Duty Truck withdraws request for invalidation of Weichai Power Patent


Weichai Power received the Notice of Closing of Invalid Declaration issued by the Patent Reexamination Board of the State Intellectual Property Office of the People's Republic of China. The notice stated that on November 13th, China National Heavy Duty Truck submitted to the National Patent Reexamination Board a ZL200320121039.6 (diesel engine oil and gas separator), ZL200320121422.1 (diesel crankshaft front oil seal system), and ZL200520124550.0 (with diesel engine crankshaft oil sealer) announced and recalled by Weichai Power. Spiral grooved crankshaft flanges) and ZL200520125023.1 (first camshaft bushings for diesel engines) written claims such as invalidation requests. Weichai Power stated in response to the withdrawal request from China National Heavy Duty Truck that according to the provisions of Article 71 of the "Implementation Rules of the Patent Law of the People's Republic of China", CNHTC applied to the Patent Reexamination Board of the State to terminate the case of invalidation of the said patent right by the company. The company has the above patent rights legally and effectively.

China National Heavy Duty Truck submitted a request to the Patent Reexamination Board of the State Patent Office to declare the invalid application of Weichai Power Patent on November 6, 2007. Just a few days before that, Weichai Power accused China National Heavy Duty Truck of infringing its own diesel patent rights, which coincided with the fact that Sinotruk had just passed the Hong Kong listing hearing. Although the subsequent listing of Sinotruk proceeded smoothly, the sudden fire of Weichai Power at the time caused many people to stop the listing of China National Heavy Duty Truck Group.
View related topics: China National Heavy Duty Truck Breaks Monthly Sales Record for National Heavy Truck Industry


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