Sogou Baidu patent battle latest progress: Sogou and keep a key patent

According to Li Junhui, a researcher at IPR Research Center of China University of Political Science and Law, a few days ago, on the request for invalidation of patent initiated by Baidu against input-patent held by Sogou, the Patent Reexamination Board of the State Intellectual Property Office (hereinafter referred to as the 'Patent Reexamination Board ') reviewed the decision of' maintaining a patent valid 'for the second time on one of the patent infringement cases,' A system and method for updating Chinese thesaurus'.

It is reported that this is already the second sogou to get invalidated by the review of the trial and the 'maintain effective' decision.For Sogou, which means that the relevant patent infringement case, the probability of a substantial increase in the odds of winning, Corresponding to Baidu, the same patent for sogou launched the second round of patent invalidation idea came to nothing.

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 patent cases, there have been 17 with the validity of the patent review, of which 6 patents were maintained valid, 5 patents were partially invalid, 6 were sentenced to be null and void .