On the Avoidance of Invention Patent

Hello, don't worry about this situation. According to Article 11 of the Patent Law, 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 shall not manufacture, use, promise to sell, sell or import its patented product for the purpose of production and operation, except as otherwise provided in this Law. In other words, importing patented products produced abroad is also infringement, and you can find importers to protect your rights. In view of your specific situation, you have no patent right abroad (country B), so you can't prohibit manufacturer A from producing patented products in country B; However, if you have a patent right in China, your patent right will be infringed if the products produced by manufacturer A in country B are imported into China. At this time, the defendant is not a foreign manufacturer A, but an importer in China. It can be seen that a domestic person or manufacturer can't evade the domestic patent right by entrusting foreign countries to produce patented products and then selling them in China.