Hilton Hotels Corporation acknowledged receipt of a federal grand jury subpoena "requesting documents relating to Hilton's employment of former employees of Starwood Hotels and Resorts Worldwide, Inc. and materials which Hilton returned to Starwood in February of 2009

," according to a press statement. On April 16, Starwood filed a civil complaint alleging that former employees Ross Klein and Amar Lalvani and Hilton unlawfully obtained and used Starwood information to launch luxury and lifestyle brand Denizen. Hilton announced that Klein, Lalvani and the Denizen team are on paid administrative leave pending Hilton's review of the situation. Hilton also said it has temporarily suspended development of the Denizen Hotels brand.