It’s the oldest law in anglo-american jurisprudence; it’s rarely applied and even more rarely applied successfully.  Here is a swing and miss in Matter of B. (Anonymous), also known as L. (Anonymous)  Motion No: 2016-10028  Slip Opinion No: 2019 NY Slip Op 62045(U)  Decided on February 1, 2019 Appellate Division, Second Department, Motion Decision.

“Motion by Sebastian B. for leave to intervene on an appeal from an order of the Supreme Court, Richmond County, dated August 29, 2016, and pursuant to Judiciary Law § 487 to impose a sanction upon the attorney for the petitioner-respondent for statements made during oral argument of the appeal.

Upon the papers filed in support of the motion and the papers filed in opposition thereto, it is

ORDERED that the motion is denied.”