12 If no marking about the patent certificate number is fixed on the patent product, which of thefollowing legal effects is provided by Taiwan Patent Act when the patent without marking isinfringed upon?
(A) The marking about the patent certificate number has nothing to do with the remedy.
(B) The patentee is not entitled to any remedy on the ground that the patent without marking isinvalid.
(C) The patentee is not entitled to any remedy on the ground that the patent without marking nevershows any public notice to the third parties.
(D) To seek damages, the patentee should prove that the infringer knows or has a reason to knowthe infringed product protected by the patent.