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By issuing a patent, the government gives an inventor a monopoly to produce and sell their invention. Refer to your textbook to ascertain which of the following statements concerning patent law in Canada is FALSE. a. One cannot patent a scientific theory or an obvious improvement to another product. b. To obtain a valid patent, the invention must be new and the original work of the inventor. It cannot have been disclosed to the public in Canada or abroad more than 2 years prior to the application. c. To obtain a valid patent, the inventor must disclose sufficient information for others to be able to construct and use the product. Because Pfizer falled to disclose that the active ingredient in Viagra was sildenafil, its patent was invalidated. d. Joint patents can be issued where more than one inventor have worked on the same invention