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如何用英文表达“专利期限”？

The term "patent term" refers to the duration of time during which a patent is valid and protected. It is a crucial aspect of intellectual property law, as it determines how long inventors can enjoy exclusive rights over their inventions. In this article, we will explore various ways to express the concept of "patent term" in English, along with some additional related terms and phrases.

Patent term

This is the most straightforward way to express the concept of "patent term" in English. It is a widely used term in intellectual property law and is easily understood by both professionals and laypeople.

Duration of patent protection

This phrase emphasizes the length of time during which a patent provides protection. It highlights the idea that the patent is not indefinite but has a specific duration.

Term of patent validity

This term is similar to "patent term" and "duration of patent protection." It emphasizes the validity period of the patent, indicating that the protection granted to the inventor is time-limited.

Expiration date of the patent

This phrase focuses on the end of the patent term, emphasizing that the protection will cease at a specific date. It is often used in discussions about the future of the patent or when considering the possibility of third-party use of the invention after the expiration date.

Patent lifespan

This term is a more general way to refer to the duration of a patent. It can be used in both formal and informal contexts and is often used to describe the time period during which the inventor can enjoy exclusive rights over the invention.

Time frame of patent protection

This phrase emphasizes the time period during which the patent provides protection. It is a more formal way to express the concept of "patent term" and is often used in legal documents and official communications.

Duration of exclusivity

This term focuses on the exclusivity aspect of the patent. It highlights the fact that the inventor has the right to exclude others from making, using, selling, or importing the patented invention during the patent term.

Period of patent protection

This phrase is similar to "time frame of patent protection" and emphasizes the duration of the protection provided by the patent. It is a more formal way to express the concept of "patent term."

Length of patent validity

This term is a more general way to refer to the duration of a patent. It emphasizes the time period during which the patent is valid and provides protection to the inventor.

Duration of patent rights

This phrase focuses on the rights granted to the inventor under the patent. It highlights the fact that the inventor has exclusive rights over the invention during the patent term.

Additional related terms and phrases:

Renewal period: The time period during which a patent can be renewed to extend its validity.
Term extension: The process of extending the patent term beyond the original expiration date.
Grace period: A limited time after the expiration date during which the inventor can still enforce their patent rights.
Term of patent application: The duration of time during which an inventor can file a patent application before the invention is considered publicly disclosed.

In conclusion, there are several ways to express the concept of "patent term" in English. The choice of term may depend on the context in which it is used, whether it is in a formal legal document, a scientific paper, or a casual conversation. By understanding these different terms and phrases, you can effectively communicate the duration of patent protection and the rights granted to inventors.