(2) It is legal to research the behavior of producing feed, because this behavior belongs to the scope of rational use. According to the law, the exclusive use of relevant patents for scientific research and experiments is not regarded as patent infringement.
(3) Transgenic mice cannot apply for patents, and the law stipulates that animal and plant varieties cannot apply for patents.
(4) Being able to meet the conditions for granting the invention patent right, being novel, creative and practical, and not violating the mandatory provisions of the law.
2.( 1) does not constitute it, because it was previously used, and the same product has been manufactured before the patent application date, the same method has been used or necessary preparations have been made for its manufacture and use, and it continues to be manufactured and used only within the original scope. Obviously factory b is not.
(2) Yes, Factory A enjoys the exclusive right, licensing right, transfer right and marking right, and undertakes the obligation to disclose and pay the annual fee.
(3) Yes, it infringes the exclusive right of implementation of A factory, including the right to manufacture, use and sell. Be liable for compensation.