Patent Act Article 98May 1, 2019

Marking of patent certificate number

The patent certificate number shall be marked on the patented article. If such marking cannot be fixed on the patented article, the patentee may make such marking on the labels or packaging, or make such marking in a distinct way sufficient to draw people’s attention. Where no patent marking is made, evidence shall be produced when claiming damages to prove that the infringer knows or has a reason to know that the said article is under patent protection.

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