Generally speaking, the patent law and the detailed rules for the implementation of the patent law are similar in that they are both normative documents to adjust the legal relationship of patents; The difference is that 1) is formulated by different organs, while the patent law is formulated by the National People's Congress and the State Council. 2) The patent law is higher with different effects, and the implementation rules can only be formulated within the framework of the patent law and cannot be exceeded; 3) The content is different, the patent law is more principled and the implementation rules are more specific.
As for interpretation, interpretations made by different organs have different effects.