### Question
What does opposition period mean?


### Answer
**Opposition period** has the following meaning in *15 U.S.C. § 1141*:

> the time allowed for filing an opposition in the United States Patent and Trademark Office, including any extension of time granted under section 1063 of this title

#### Citation:
  - *15 U.S.C. § 1141*
  - Heading: **CHAPTER 22-TRADEMARKS > SUBCHAPTER IV-THE MADRID PROTOCOL**

