Read the three legal provisions of intellectual property: patents, trademarks, and works. You must understand them, grasp the division of objects and rights, the time and period of application and rights generation, etc., and do exam questions and surveys over the years. are always just the key points. The simple answer examples are listed in 1.2.3...and the first sentence of each item is the key word. The handwriting must be clear, otherwise the examiner will not look for key words throughout the article. This is very, very important.