Twitter separately faces other suits over claims of unpaid bills, and the new case will add to mounting legal woes. U.S.-based advisory firm Innisfree M&A Incorporated sued Twitter last week in ...

The lawsuit targeted Wachtell, Lipton, Rosen & Katz, a well-known Wall Street law firm, for “unjust enrichment” related to Mr. Musk’s $44 billion purchase of Twitter.