The patent relates to injection devices notably to automatic or semi-automatic pen-type injectors where a rotary drive shaft driven by a torsion spring used for insulin injection.
Brief outline of the case
The opponent appealed the rejection of the opposition.
A late-filed alleged public prior use of an insulin injection pen named GensuPen labelled as D18 was submitted in reaction to the preliminary opinion of the OD was admitted in the opposition proceedings as prima facie relevant,