CBS and a special committee of its board of directors on May 14 sued controlling owner National Amusements. Redstone had pressed for a deal in 2016, but CBS contends in its lawsuit that those negotiations came to a halt as soon as CBS insisted the combined company would operate outside of Redstone's control for at least five years. It's unclear how far these talks had progressed, with some characterizing the conversations as early stage.
The company is seeking a temporary restraining order "to prevent Ms. Redstone and National Amusements from attempting to replace the board or modify the company's governance documents before any board action taken at the special board meeting becomes effective".
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It is the second ruling from sport's highest court that has weighed heavily on Peru's first World Cup appearance in 36 years. Guerrero, who has denied wrongdoing throughout, had also appealed to CAS to request the ban be annulled altogether.
Indeed, CBS shareholders appear to be more content without the weight of a relaunched Viacom to worry about.
National Amusements may view a combined media property, whose assets include a top broadcast network, a film studio and multiple cable outlets, as positioned to fetch a higher price from a potential acquirer.
Lawyers for CBS reveal in the filing that the board of directors plans to hold an emergency meeting on Thursday to discuss ways to dilute National Amusement's voting power moving forward.
CBS has filed a lawsuit against its biggest shareholder, who is pushing to merge the United States broadcaster with Paramount film studio-owner Viacom. "In that case, we could see more interest among pipes/platform companies in acquiring meaningful legacy brands".
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That, however, includes the assets of his wife, Nancy Shevell , who is the heiress to a huge trucking business. And pop rocker Robbie Williams also enjoyed a £ 15m bump up the list bringing his total worth to £165m.
News of the lawsuit sent CBS shares up almost 3 percent and Viacom shares down more than 6 percent.
Mid-Monday morning trading of CBS stock was up 1.2% to $53.23; Viacom was down 7% to $28.15.
In a statement, NAI said it had no intention of forcing a deal that did not have the support of both companies.
Shari Redstone, acting on behalf of her father, effectively controls both firms through National Amusements' special voting shares.
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The BBC said this could be the first test of "heavier-than-air aircraft on another planet". The autonomous helicopter needs it because of the low atmospheric density on Mars.
Redstone wants the two companies to combine, and this is the second time in two years that she has tried to make a merger happen.