Which of the Following Is a Difference Between a Patent

Multiple Choice

Which of the following is a difference between a patent and a trade secret?

A) A patent grants its holder exclusive monopoly over the product for 20 years, whereas a trade secret does not.
B) A trade secret goes into the public domain after a period of 10 years, but a patent does not.
C) The law protects a trade secret that has been reverse engineered by a competitor but not a patent.
D) Business methods are generally protected by patent laws, but they cannot be protected by trade secret laws.