宣告无效
4.To declare that something never exist or that something never have legal effect
5.Article 47. Any patent right which has been declared invalid shall be deemed to be non-existent from the beginning.
8.(2) continuing to affix patent marking on the products that are made or sold after the patent right concerned has been declared invalid;
9.The retrospective as well as prospective invalidation of a marriage, as for nonconsummation, effected by means of a declaration stating that the marriage was never valid.
10.(3) raising disagreement, asking for the announcement of a patent right cancellation and other related affairs;


