Introduction To Patent Law In Vietnam - Main Issues Of Patent Law - Duration Of A Patent

Duration of a patent for invention

A patent for invention shall expire 20 years after the filing date.

Note - Under the old patent regulations, a patent for invention shall expire 15 years after the filing date, or the priority date of the application if the Paris Convention priority is claimed.

Duration of a patent for utility solution

A patent for utility solution shall expire 10 years after the filing date.

Note - Under the old patent regulations, a patent for utility solution shall expire six (6) years after the filing date, or the priority date of the application if the Paris Convention priority is claimed.

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