Which of the following is false with regard to industrial design?
a. A person who creates a unique shape of a manufactured article can protect his design by registering it under the industrial design act.
b. A creator's unique design of a manufactured article, e.g. a chair, is protected at the time of creation and no formal registration is required.
c. Industrial design protection lasts for up to 10 years.
d. The design of a manufactured article such as a sofa is not protected by copyright.
e. Industrial design protection is based on Federal legislation.