Catchwords:

PATENTS – construction – whether the primary judge failed to construe the claim in the context of the specification as a whole – meaning of “formed from sheet material” – infringement – meaning of “sheet” – construction and infringement grounds of appeal dismissed

PATENTS – award of additional damages – exercise of discretion under s 122(1A) of the Patents Act 1990 (Cth) – threshold for “flagrant” infringement – existence of a reasonably arguable defence to infringement – requirement to consider all other relevant matters contemplated by s 122(1A) – appeal allowed in part