Respuesta :
Answer: Trade secret.
Explanation:
Mary and Joe have to make their special oil a trade secret in order for other competing companies not to gain access to it. A trade secret is a product formed from internal intellectual innovation of members of a company, known only by few of it's staff, that gives a company comparative advantage over it's competitors.
Answer:
It is Patent (C)
Explanation:
If someone has been able to develop a special product or process that generally provides a new way of doing something, there is a need to protect such from others who may want to steal the ideas.
Patent is the exclusive right granted to an inventor by the government . It is granted by government after the owner has filed an application and all the relevant technical information has been disclosed to the public in a patent application.
Patent convey to the owner exclusive rights to claimed the invention, process, product e.t.c for a given period of time.