Agatha Christie Limited vs Registrar Of Trade Marks. In this case, Agatha Christie Limited filed a trademark application for the mark, "And Then There Were None." The Registrar rejected the application, and the Agatha Christie Limited appealed. The Delhi High Court came to the conclusion that there was no ground based on which the mark could have been rejected under the Trademarks Act, 1999, as the mark was not descriptive and because no similar marks were existing on the Register.…