Even after the Second Circuit upheld a preliminary injunction against Nielsen in the companies’ antitrust dispute, enforcement is being held up, sending both sides back before the judge who granted it. In December, Southern District of New York Judge Jeannette Vargas granted Cumulus a preliminary injunction in its antitrust complaint against Nielsen, and the Second Circuit upheld that injunction in full on July 13, rejecting the ratings company’s request for a stay in the process. Earlier this month, Cumulus said Nielsen had yet to comply with the injunction. The company separately argues the underlying enforcement motion is moot, pointing to a standalone Nationwide pricing offer it says it sent Cumulus on July 31. Nielsen told the court Cumulus indicated it would respond to the pricing offer by August 10.