What are the sources of trademark laws?

       What are the sources of trademark laws?

1. The national statues i.e., the Trade Marks Act, 1999 and rules made there under .
2. International multilateral convention.
3. National bilateral treaty.
4. Regional treaty.
5. Decision of the courts.
6. Office practice reduced in Manuals and guidelines and rulings of the Courts
7. Decision of Intellectual Property Appellate Board.