The court held that this 'user multivariate library' case, the Sogou input method can be described as a patent 'in the storage of AB such a word at the same time will store the relationship between the words A, B'. "Baidu input The solution to the law is that 'AB' is stored as a whole word and there is no relationship between them. '' These are two completely different technical solutions that give different candidate words as they type in the same phonetic string Baidu input method infringement is not established.
Sogou Baidu both the relevant patent debate began in 2015, the year in October, Sogou prosecution of Baidu input patent infringement law, involving a total of 17 patents, claim a total amount of 260 million yuan, of which patent for ' A method and system for inputting a word or a figure into an application program '(Patent No. 200610127154.2), which even reaches the' high price 'of 100 million yuan.
In the face of Sogou's lawsuit of sky-high price, Baidu filed a patent invalidation request with the Patent Reexamination Board of State Intellectual Property Office by the end of 2015.
So far, Sogou v. Baidu input patent infringement patents involved, there have been 17 with the validity of the patent review, of which 7 have been judged to be all invalid, 4 were judged to be partially invalid.According to China's " Patent 47, the invalidated patent shall be regarded as not existing from the very beginning, that is to say, the patent shall not be regarded as 'patent' after its invalidation, and its patent right shall be regarded as the right from the very beginning That does not exist, but also lost the basis for the claim, so Sogou has gradually been forced to withdraw one of the nine lawsuits, and Baidu patent litigation experienced a "nine-game losing streak."
The verdict Sogou lost again, but also makes Sogou Baidu's "ten-game losing streak," created a record of legal disputes consecutive loss of the same company.