The passage is mainly about ______. A: an approach to patents B: the application for patents C: the use of patents D: the access to patents

There are （） types of patents in China.

‎There are （） types of patents in China.‍

Which of the following would be the subject of the text? A: A looming threat to business-method patents. B: Protection for business-method patent holders. C: A legal case regarding business-method patents. D: A prevailing trend against business-method patents. 未知类型：{'label': None, 'content': '', 'isMemberControl': 0, 'type': 181}

There are t（） types of patents in China. A:

Which of the following would be the subject of the text? 未知类型：{'label': 'questionDesc', 'content': '请选出本题正确答案', 'isMemberControl': 0, 'type': 181} A: A looming threat to business-method patents. B: Protection for business-method patent holders. C: A legal case regarding business-method patents. D: A prevailing trend against business-method patents.

中国大学MOOC: Examples of property include bonds, shares, copyrights, and patents.

Which of the following statements is true about patents and copyrights?

Patents,<br/>trademarks and copyrights are all issued by the PTO.( )

Tangible property includes patents, designs, copyrights, and trademarks. （ ）