IP features at the core of knowledge-driven economies, it boosts innovation and ensures return on investments. Patents are essential to incentivizing innovation by enabling protection and commercialization of technology. From vaccines to advanced computer technologies, patents have been critical for business growth and enabling quality product delivered to consumers. Training in IP, particularly patents, has gained relevance among not just lawyers, but also business executives, artists, government representatives for both business and strategic interests. This book presents a study on basic elements of patent law, to nuanced material and operational aspects on patent practice. It presents a valuable resource for IP lawyers, IP professionals, patent enthusiasts and patent agent trainees in learning legal principles and practical insights of patent law. The book covers answers to past year patent agent examination question papers. The discussion in this book evolves from key features, objectives, legal terms, and amendments of Indian Patent Act, 1970 to conditions of patentability, grant and post-grant procedures. The three cardinal requirements to make an invention patentable – Novelty, Inventive Step and Industrial Application are explained along with exclusions from patentability described in Sections 3 and 4 of Indian Patent Act, 1970.