Every application for patent is published after 18 months from the date of its filing or priority date whichever is earlier. However, following applications are not published.

1. Application in which secrecy direction is imposed
2. Application which has been abandoned u/s 9(1) and
3. Application which has been withdrawn 3 months prior to 18 months

The publication of every application includes the particulars of the date of application, number of application, name and address of the applicant and the abstract.