Is the 31-month deadline for entering the Regional phase an absolute deadline? Can this deadline be extended? Under which motifs?

In Russia: According to Art. 1396(1) of the Civil Code, if the deadline for the national phase entry is missed, it can be restored provided that the applicant explains the reason. The Civil Code makes no provision regarding the deadline for the restoration. According to the Regulations under the PCT (Rule 49(6) of the Regulations), if the deadline for the National entry was missed unintentionally, the applicant’s rights can be reinstated within a year from the missed deadline subject to payment of the restoration fee.

In Eurasia: According to the Regulations under the PCT (Rule 49(6) of the Regulations), if the due date for the Regional entry was missed unintentionally, the applicant’s rights can be reinstated within a year from the missed due date subject to payment of the restoration fee.