Invention: It means any new process or product involving inventive step and capable of industrial utility.

New invention: It means any invention or technology which has not been anticipated by publication in any document or used in the country or elsewhere in the world before the date of filing of patent application with complete specification, i.e., the subject matter has not fallen in public domain or that it does not form part of the state of the art.

State of art : It applies to the level of development (as of a device, procedure, process, technique, or science) reached at any particular time usually as a result of modern methods. It usually used as synonym for “Prior-art”

Prior art: It means all information that has been made available to the public in any form before a given date that might be relevant to a patent’s claims of originality.

Inventive Step (Non-obviousness): It means a feature of an invention that involves technical advance as compared to the existing knowledge or having economic significance or both and that makes the invention not obvious to a person skilled in the art. Person skilled in the art: This is one kind of hypothetical person to be considered who has the normal skills and knowledge in a particular technical field, without being a genius. He or she mainly serves as a reference for determining, or at least evaluating, whether an invention involves an inventive step or not.