SHORT ANSWER. Please answer the following questions in booklet provided.

$16.$ List the three things that you must establish about an invention in order to get a patent on it$.(3$ marks$)$

$17.$ Compare and contrast trademark and industrial design. $(3$ marks$)$

$18.$ What is the difference between a chattel and a chose in action? $(2$ marks$)$

$19.$ List three interests you can have in real property.. $(3$ marks$)$