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Describe what you are trying to do and this finds the Patent Office form, the stage it belongs to and the rule that prescribes it.
| Form | What it is for | When it is used | |
|---|---|---|---|
| Form 1 | Application for the grant of a patent | Filing | Details |
| Form 2 | Provisional or complete specification | Filing | Details |
| Form 3 | Statement and undertaking about corresponding foreign applications | Filing / during prosecution | Details |
| Form 4 | Request for an extension of time or condonation of delay | Any stage | Details |
| Form 5 | Declaration as to inventorship | Filing (with a complete specification) | Details |
| Form 6 | Claim or request regarding a change in the applicant | During prosecution | Details |
| Form 7 | Notice of post-grant opposition | After grant (within one year of publication of grant) | Details |
| Form 7A | Representation for pre-grant opposition | After publication, before grant | Details |
| Form 8 | Request or claim regarding the mention of an inventor | During prosecution or after grant | Details |
| Form 9 | Request for early publication | After filing | Details |
| Form 13 | Application for amendment of an application, specification or document | Any stage | Details |
| Form 14 | Notice of opposition to an amendment, restoration, surrender or compulsory licence | Contested proceedings | Details |
| Form 15 | Application for restoration of a lapsed patent | Within 18 months of cessation | Details |
| Form 16 | Application to register title or an interest in a patent | After grant | Details |
| Form 17 | Application for a compulsory licence | Three years after grant | Details |
| Form 18 | Request for examination | Within the period fixed by Rule 24B | Details |
| Form 18A | Request for expedited examination | Eligible applicants only | Details |
| Form 19 | Application for revocation of a patent for non-working | Two years after the first compulsory licence | Details |
| Form 22 | Application for registration as a patent agent | Patent agents | Details |
| Form 25 | Request for permission to apply for a patent outside India | Before filing abroad | Details |
| Form 26 | Authorisation of a patent agent | Any stage | Details |
| Form 27 | Statement regarding the working of a patented invention in India | After grant, at the prescribed interval | Details |
| Form 28 | Evidence to claim the status of a startup or small entity | With the first fee payment | Details |
| Form 29 | Request for withdrawal of an application | Before grant | Details |
| Form 30 | Request or application for which no other form is prescribed | Any stage | Details |
Not the complete Second Schedule. This lists the forms in everyday use. Forms are amended from time to time and some steps use a form we have deliberately left out rather than name it wrongly. Always download the current version from the official IP India forms page before filing.