Designs Act, 1993 (Act No. 195 of 1993)

The registration of a design shall not be invalid by reason only of the fact that the design was disclosed, used or known prior to the release date if the proprietor proves that such knowledge was acquired, or such disclosure or use was made, without his knowledge or consent, and that the knowledge acquired or the matter disclosed or used was derived or obtained from him, and that he applied for and obtained protection for his design with all reasonable diligence after learning of the disclosure, use or knowledge.