Q. The validity time period of a patent in India is how many years?
Red Book
Red Book

[A] 5 years

[B] 10 years

[C] 20 years

[D] 30 years

Answer: C
Notes:

The term of every patent in India is twenty years from the date of filing the patent application, irrespective of whether it is filled with provisional or complete specification. However, in case of applications filed under the Patent Cooperative Treaty (PCT), the term of twenty years begins from the priority date.

Source: Factly

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