(d) the summary determination of any appeal which appears to the High Court or the Supreme Court, as the case may be, to be frivolous or vexatious or to be brought for the purpose of delay. (As amended by Act No. 16 of 1980) 39. Appeals under this Part, whether from decisions of the Registrar or Time for orders or decisions of the High Court, shall be brought within three appeals months after the date of the decision or order in question, or within such further time as the High Court or Supreme Court may allow upon application by the appellant concerned. 40. When any matter to be decided by the Registrar under this Act References to appears to him to involve a point of law or to be of unusual importance High Court by or complexity, he may, after giving notice to the parties, refer such Registrar matter to the High Court for a decision and shall thereafter, in relation to such matter, act in accordance with the decision of the High Court or any decision substituted therefor on appeal to the Supreme Court. (As amended by Act No. 16 of 1980) 41. In any legal proceeding in which the validity of the registration of a Certification of design is contested and is decided in favour of the registered proprietor validity of the design, the High Court or Supreme Court may certify to that effect and, if it is so certifies, then, in any subsequent legal proceeding in which the validity of the registration comes into question, the registered proprietor of the design, on obtaining a final order or judgment in his favour, shall have his full costs, charges and expenses as between solicitor and client, unless in that subsequent proceeding the High Court or Supreme Court directs that he ought not to have them. (As amended by G.N. No. 187 of 1964 and Act No. 16 of 1980) 42. Any action or legal proceeding relating to the infringement of copyright in a registered design shall be brought in the High Court. (As amended by G.N. No. 187 of 1964) 43. (1) Where any person (whether entitled to or interested in a registered design or an application for registration of a design or not) by circulars, advertisements or otherwise threatens any other person with proceedings for infringement of the copyright in a registered design, any Infringement action to be heard in High Court Remedy for groundless threats of infringement