There three types of patent in China, Patent for Invention, Patent for Utility Models and Patent for .

Which tools can be used to search patent? A: Espacenet patent search B: WIPO Patentscope C: CNIPA patent search and analysis D: USPTO patent search

What is one of the characteristics of a patent?

“patent”是“专利”的意思。

How many years would a patent be protected?

Choose the answer(s) that best describe(s) the differences between patented technology and know-how. A: Know-how is protected by keeping it confidential while patent is disclosed as per law B: Patent has a clear period of legal protection in certain regions whereas know-how hasn't been applied for patent and is not protected by law C: Scope of know-how is wider than that of patent D: All of the three above

According to dialogue 2 in the video clip，we can learn that _______. A: the buyer wants to buy the know-how instead of the right to use the patent B: the buyer thinks the know-how is better than the patent C: the know-how tells one all the details of how to manufacture the equipment D: the price of the know-how is twice that of the patent

It's generally accepted that the first systematic patent law was developed in Venice.

what are non-current assets? A: patent B: cash C: factory buildings D: inventory

Once a patent expires， an invention becomes common property and can then be freely used by anyone。（ ）