Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Not written by a barrister. The name was thought up by a second-year American law student sitting in a coffeehouse in Manhattan. Neither an authoritative statement of the law nor legal advice. Don't rely. Quick work.
Ninth Circuit: Rodney Green, Sr. v. Mercy Housing Inc.
Plaintiff bringing suit under the statute should not be assessed fees or costs unless the court makes a specific finding that the claim was frivolous, unreasonable, or groundless.