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European Patent Convention (EPC 1973)

 
 

Rule 83

Calculation of time limits

Art. 120



(1) Periods shall be laid down in terms of full years, months, weeks or days.


(2) Computation shall start on the day following the day on which the relevant event occurred, the event being either a procedural step or the expiry of another period. Where the procedural step is a notification, the event considered shall be the receipt of the document notified, unless otherwise provided.


(3) When a period is expressed as one year or a certain number of years, it shall expire in the relevant subsequent year in the month having the same name and on the day having the same number as the month and the day on which the said event occurred, provided that if the relevant subsequent month has no day with the same number the period shall expire on the last day of that month.


(4)116 When a period is expressed as one month or a certain number of months, it shall expire in the relevant subsequent month on the day which has the same number as the day on which the said event occurred, provided that if the relevant subsequent month has no day with the same number the period shall expire on the last day of that month.


(5) When a period is expressed as one week or a certain number of weeks, it shall expire in the relevant subsequent week on the day having the same name as the day on which the said event occurred.



116 See Legal advice No. 5/93 rev. (Annex II).

Cross-reference list
R. 83 R. 131