Patent applications filed in India in the various medical device sub-sectors in India. Patent applications filed in India in the various medical device sub-sectors in India. Maximum patent filings were observed in the field of medical delivery and collection devices, followed by patenting activity in the field of diagnostic and surgical instruments. Suchita Markan, and Yogmaya Verma BMJ Innov 2017;3:167-175 Copyright © BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved.