Patents are divided into: invention patents, utility model patents and design patents. The term of the invention patent right is 20 years, the utility model is 10 year, and the design is 15 year.
Copyright is also divided into two types: the author of the work is a citizen, and the protection period is 65438+February 3150 years after the author's death; If the author of the work is a legal person or other organization, the protection period is 65438+February 3 1 in the 50th year after the author first published it.
The protection period of a trademark is 10 year, and it can be used again after its expiration 10 year, which can be renewed cyclically.
Milan trademark patent office answered the teacher's question, hoping to help you!