Prior Art Defense in Patent Infringement Disputes
Prior Art (“PA”) defense is one of defenses in patent infringement disputes. It’s claimed by the defendant with regard to plaintiff’s claim of cessation of the infringement, compensation for damages, which aims at affirming the legality of defendant’s act, rather than denying the novelty of the patent or its scope of protection. In short, it functions as a veto of infringement. According to Article 22 of Patent Law (revised vision of 2008), the term “PA” refers to the technologies known to the general public both domestic and foreign prior to the date of application. Thus the judge of PA involves…