Clare Locke Sues Ex-Client Kytch Over Move to Breakaway Firm (1)

Clare Locke is suing technology company Kytch Inc. for at least $7 million that the law firm claims it’s owed by its former client.

Kytch turned to Clare Locke to handle a wide range of defamation and trade secrets litigation, ringing up millions of dollars in fees and expenses in four different courts, the firm said in a civil complaint filed Thursday. It also wants a piece of any contingency fees that emerge from Kytch’s ongoing $900 million lawsuit against McDonald’s Corp. and another related action.

Kytch co-founder Jeremy O’Sullivan, who also serves as the startup’s chief executive officer, ...