Supreme Court cuts down Willman after all the most " The piperazine is easy " The patent for invention is invalid

Supreme Court cuts down Willman after all the most " The piperazine is easy " The patent for invention is invalid
Supreme Court cuts down Willman after all the most " The piperazine is easy " The patent for invention is invalid
The ones that have lasted for many years " The piperazine is easy " Invent a case of patent right dispute and is finished recently. On December 23, the Supreme People's Court judges finally " the piperazine is easy " in the north Willman pharmacy Co., Ltd. of Hunan Patents for invention are all invalid. So, one pair of crane's medicine companies does not form patent infringement. It is compound preparation of a kind of antibiotic that the piperazine is easy, Willman Company obtained" the piperazine was easy " in 1997 The patent for invention, later one pair of crane's medicine companies put forward this declaration request with invalid patent for invention to revision trial committee of the patent of State Intellectual Property Bureau, the revision trial committee judges this patent is all invalid. Willman has carried on several judicial processes on the grounds of judging the mistake subsequently, brief the Supreme People's Court has reviewed finally, on the basis of fully putting to the proof, on December 23, the Supreme People's Court judges finally that maintains the judgement of Beijing No 1 Intermediate People's Court, " the piperazine is easy " Patents for invention are all invalid.


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