Manage your PCT Application
How to manage your PCT application
Before international publication
After receiving the international search report
- Amend claims (Art. 19 amendments)
- Make a demand for international preliminary examination (optional) | Form [PDF]
- Amend claims, description, drawings (Art. 34 amendments)
- Guidance on how to file amendments
- Request supplementary international search (optional) | Form [PDF]
Any time during the international phase
- Change applicant, agent or inventor data (Rule 92bis request) | online request (via ePCT)
- Appoint an agent or common representative | Model power of attorney forms
- PCT Time Limit Calculator
The PCT international phase - common questions
Use the links below to access answers to common questions about the PCT international phase.
- Representation by agents and common representatives
- Correspondence to the applicant
- Death of applicant or inventor
- Applicant unavailable or unwilling to sign the international application or other documents
- Rectification of obvious mistakes
- Computation of time limits
- Irregularities in the mail service