The six-month time limit in s 71(2)(a)-(c) for filing an extension of term application is a 'relevant act' amenable to extension under s 223(2), even though filing during the patent term is a prescribed action excluded from s 223(2). An erroneous belief about the correct basis for an extension of term application can constitute a relevant 'error or omission'.
The full text is available to signed-in members, including the 261 later cases that cite this judgment.
3 of the 261 citing cases carry a classified treatment. How each court treated it is available to signed-in members.