This book provides guidelines relating to the procedure of filing patents applications in India. The book takes care of amendments that have been brought out in the Patents Act from time to time including new provisions of the law viz. The Patents Act, 1970 as amended by the Patents (Amendment) Act of 1999, the Patents Amendment Act 2002, and further, by the Patents (Amendment) Ordinance 2004 Act 2005. The main purpose is to create awareness amongst the faculty members and researchers about patents system in India and to provide user friendly guidelines for obtaining and maintaining patents under the existing Patents law. It is expected that this manual will be of significant help to people involved in innovation and invention activities towards protecting their intellectual property rights arising as an outcome of their efforts.