PCT Deadline Calculator

Calculate PCT national phase entry deadlines from priority date

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For PCT fee calculations, please use our comprehensive Official Fee Estimator which includes PCT filing fees, search fees, and examination fees.

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PCT National Phase Deadline Calculator
Enter the earliest priority date of the application
Important References

For specific time limits by country and detailed requirements, please check the official WIPO resources:

WIPO PCT Time Limits by Country PATENTSCOPE - PCT Official Register
This calculator provides general deadlines. Always verify specific requirements for your target countries as some may have different time limits or additional requirements.