[act on ones own;act arbitrarily] 自作主张,独断专行
但是,专利权人于专利权授予之日前即已得知或者应当得知的,自专利权授予之日起计算。
However , where the patentee has already obtained or should have obtained knowledge before the date of the grant of the patent right , the prescription shall be counted from the date of the grant .