According to Article 57 of the Patent Law, it is an infringement of the patent right to exploit the patent without the permission of the patentee. Specifically, invention and utility model refer to the act of manufacturing, using, selling, promising to sell, importing patented products or directly obtaining products according to patented methods for commercial purposes without the permission of the patentee; Design refers to the act of manufacturing, selling or importing its patented products for commercial purposes or directly obtaining products according to its patented methods.
Where a patent is illegal, it shall bear civil liability, compensate the losses of the patentee and confiscate the illegal income. If there is no illegal income, compensation shall be made within 50,000 yuan. If it constitutes a crime, the public security department will investigate criminal responsibility.