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TCW, DoubleLine Spar Over Trade-Secret Royalties After Trial

TCW Group Inc.’s expert witness said the asset-management firm is owed $81.7 million in “reasonable royalties” by DoubleLine Capital LP after a jury’s finding in September that DoubleLine misappropriated TCW’s trade secrets.

The use of TCW’s trade secrets, including portfolio management systems, would have allowed DoubleLine to avoid risks and delays getting its business operating, Brad Cornell, the witness, told California Superior Court Judge Carl J. West in Los Angeles today.