Ok so news articles reporting directly on court cases and or other events are nonsense. This will be the standard applied to you now.
The case is Trump v Vance.
Case number is - Case 1:19-cv-08694
You can hear the oral arguments of the case including the exacts words spoken by Trump's lawyer ( William Consovoy ) mentioned in the article here on this link below:
Trump v. Vance Oral Argument The U.S. Second Circuit Court of Appeals heard oral argument in Trump v. Vance, a case concerning whether an accounting firm must comply with the Manhattan district attorney’s subpoena for certain financial records, including President Trump’s tax returns. The three-judge panel engaged with the attorneys on both sides on a number of legal issues.