SpicyIP and SiNApSE have blogged the recent judgement of madras high court on deadline to enter into national phase.
“….The application for extension is required to be made within the period prescribed. Therefore, proviso would come into operation for the purpose of calculating period of one month. On true interpretation of rule 138, it is held that application for extension is to be filed within one month after expiry of prescribed time under rule 20….”
Interestingly in a recent Draft Patents (3rd Amendment) Rules, 2010, Rule 138 is amended as “in sub rule (1), for the word, figures and letter “rule 24-B”, the words, brackets, figures and letter “sub rule (4) of rule 20, rule 24-B” shall be substituted ”
As per this new draft patent rule, time limit provided in rule 20 (4) is non-extendable.
Judgement is available Here