### Question
Can you define what treaty means?


### Answer
**Treaty** is defined as the following in *35 U.S.C. § 351*:

> the Patent Co- operation Treaty done at Washington, on June 19, 1970

#### Citation:
  - *35 U.S.C. § 351*
  - Heading: **PART IV-PATENT COOPERATION TREATY > CHAPTER 35-DEFINITIONS**

