产品注册有效期为五年。

Product registration is valid for five years.

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商标一经注册，其有效期通常为十年。

Upon registration, a trademark is usually granted for a period of ten years.

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每次续展注册的有效期为十年。

The period of validity for each renewal of registration shall be ten years.

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每次续展注册的有效期为十年。

The period of validity for each renewal of registration shall be ten years.

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