Fred has invented a vehicle propelled by a hybrid of pedal power and electricity. This being so ingenuous, he has decided to apply for a patent. select the best answer

a. Patent law is indistinguishable from copyright law in that it protects the idea and theory behind the invention as well as the invention itself.

b. The only way to create patent is to register the invention with the patent office.

c. The Patent Act does not require the inventor to disclose information about how the object works.

d. An invention may be patented if it has unique qualities. It does not matter that it may have been in use by others.