### Question
What is the definition of registered mark?


### Answer
The definition of **registered mark** is as follows in *15 U.S.C. § 1127*:

> a mark registered in the United States Patent and Trademark Office under this chapter or under the Act of March 3, 1881, or the Act of February 20, 1905, or the Act of March 19, 1920

#### Citation:
  - *15 U.S.C. § 1127*
  - Heading: **CHAPTER 22-TRADEMARKS > SUBCHAPTER III-GENERAL PROVISIONS**

