Answer: B, C, D, E
Patent application rights and patent rights can be transferred, but the transfer of patent application rights or patent rights to foreigners must be approved by the relevant competent authorities of the State Council approve. To transfer patent application rights or patent rights, the transferor and the transferee shall enter into a written contract. It shall be registered and announced by the administrative department of the Patent Ministry of the State Council. The patentee has the right to indicate the patent mark or patent number on its patented product or the packaging of the product. The term of utility model and design patent rights is 10 years. The transfer of patent application rights or patent rights takes effect from the date of registration. Therefore option A is incorrect.