The document provides an overview of trademark litigation law in India. It discusses several key points: 1) Trademarks can be protected in India through registration or as unregistered marks via infringement or passing off lawsuits. 2) Rights in trademarks can be acquired via registration, first adoption and continuous bona fide use, or assignment. 3) Registered trademarks may face cancellation petitions or opposition during registration. Unregistered marks rely on passing off claims. 4) Registration does not preclude passing off claims, as marks can still be challenged on grounds like prior use or registration.