(Reuters) - A California judge on Friday ruled that Viacom
Allan Mayer, a spokesman for lawyers representing ex-girlfriend Manuela Herzer, said the ruling came in a court hearing in Los Angeles.
Investors in Viacom are closely following the dispute, which has raised concerns about whether Redstone is capable of continuing as executive chairman of Viacom and CBS Corp
Questions about Redstone's health were heightened in November after Herzer filed a lawsuit that raised doubts about the billionaire's competence.
The judge rejected a request by Herzer's lawyers to depose Redstone, according to Gabrielle Vidal, an attorney for Redstone. "We are gratified that the Court continues to reject Ms. Herzer's increasingly desperate and disingenuous attempts to depose Mr. Redstone," Loeb said in a statement.
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Herzer had been chosen by Redstone to make healthcare decisions for him in case he was not able to, her lawsuit said, until Redstone executed a new agreement on Oct. 16 to remove her in favour of Viacom Chief Executive Philippe Dauman. Herzer argues the mogul was mentally incompetent when he made the move.
Redstone's lawyers say he is competent and that Herzer is pursuing a "personal financial agenda."
(Reporting by Dan Levine and Lisa Richwine)