Free tools for Indian patent work
Nine practical tools built on the same provisions this site explains. Each states its assumptions on the page, and none is a substitute for professional verification.
Deadline calculator
Enter a filing or priority date and map out publication, examination, renewal, opposition and restoration windows. Exports to your calendar.
Timeline visualiser
See the whole 20-year lifecycle drawn out, from priority to expiry, with each milestone linked to its provision.
Section 3 exclusion checker
Walk clause by clause through 3(a) to 3(p) and see which exclusions an examiner might raise.
Patentability self-check
An educational questionnaire on novelty, inventive step, industrial application and the exclusions.
Applicant category finder
Which official fee tier applies to you, what evidence you need, and whether expedited examination is open.
Form finder
Tell it what you are trying to do and it names the form, the rule and the section.
Patent status decoder
What the status on your application actually means, and which provision it comes from.
How patent fees work
Applicant categories, e-filing, official versus professional fees — and why we never publish rupee figures.
Act or Rule?
A two-minute test that trains you to tell a section of the Act from a rule of the Rules.