Intellectual Ventures LLC and its lawyers got a rap on the knuckles from a Manhattan federal judge, who warned the giant patent plaintiff to stop playing games in litigation. But the judge declined to dismiss the patent infringement case it’s pursuing against JP Morgan Chase & Co., as the bank requested.

JPMorgan had complained that Intellectual Ventures’ pleadings were too vague in explaining how some of the bank’s security features allegedly infringed its patent, and asked the court to impose “terminating sanctions” against the patent holder for repeatedly refusing to clarify these documents. In his ruling Monday, Manhattan federal district judge Alvin Hellerstein noted that the bank’s motion was “the latest in a long, tedious series of discovery disputes.”