When imposing sanctions under the courts inherent powers, the court must first consider not the actual disruptive effect in the proceedings, but the intent of the offending party; a single filing offers sufficient grounds for sanctions.
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.