1. R120/2001-2, Eli Lilly & Company, Appeal Relating to Community Trade mark application no: 1452853. (2004).
2. AakerD. (2004). Brand portfolio strategy (1st ed.). Simon & Schuster.
3. Non-traditional trade marks: New dimension of trade marks law.;V. K.Ahuja;European Intellectual Property Review,2010
4. AhujaV. K. (2013). Law relating to intellectual property rights (2nd ed.). Lexis Nexis Butterworths.
5. AIPPI. (2014). Report Q181. AIPPI.