10. Complete the text with the derivatives of the words on the right.
What is a patent? It is an ... between the government and the inventor. The government agrees that no one but the inventor will be allowed to manufacture, use or sell his ... for a period of time without the inventor's ... . In return, the inventor files his new ... in the patent office so that everyone may benefit from it.
The main principle of giving patents is based on two questions: "Is this thing ...?" and "Is ot new?" ... for the patent must be made by the inventor, who also gives a written ... and ... of the invention. Government patent ...s decide its patentability. Once the patent is given, it becomes the inventor's own property.
Agree
Invent
Permit
Discover
Use
Apply
Desribe, draw
Examine