### Question
What is the definition of patent?


### Answer
The definition of **patent** is as follows in *35 U.S.C. § 156*:

> a patent issued by the United States Patent and Trademark Office

#### Citation:
  - *35 U.S.C. § 156*
  - Heading: **PART II-PATENTABILITY OF INVENTIONS AND GRANT OF PATENTS > CHAPTER 14-ISSUE OF PATENT**

