52 Design No 83/0645 is for a boat hull, which is the same as the hull of the boat represented in Design No 83/0647. Design No 83/0646 is for a window structure for a boat, which is the same as the window structure represented in Design No 83/0647. It is conceded that the registration of Design No 83/0645, in respect of a boat hull, was properly cancel¬ led on the ground that the Design was not new or original at the effective date. In my opinion the registration was also liable to cancellation on grounds (b) and (c). Butt, not Schultz, was the author of the design and hence the pro¬ prietor within the definition in s. 1(1) of the Act. Schultz's declaration that he was the proprietor was to his......