Does the seller bear the liability for patent infringement?

Legal analysis: Yes. A seller who sells a patented infringing product without the permission of the patentee shall bear the tort liability.

After the patent right for invention and utility model is granted, no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, use, promise to sell, sell or import its patented product for production and business purposes, or use its patented method and use, promise to sell, sell or import the product directly obtained according to the patented method.

After the design patent is granted, no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, promise to sell, sell or import its patented product for production and business purposes.

Legal basis: People's Republic of China (PRC) Patent Law.

Article 60 The patent administration department in the State Council shall promptly notify the patentee of the decision to grant a compulsory license for exploitation, and register and announce it. The decision to grant compulsory license shall stipulate the scope and time of implementation according to the reasons for compulsory license. When the reasons for compulsory license are eliminated and no longer exist, the administrative department for patent in the State Council shall, at the request of the patentee, make a decision to terminate the compulsory license after examination.

Article 61 A unit or individual that has obtained a compulsory license for exploitation does not enjoy the exclusive right of exploitation, and has no right to allow others to exploit it.