Perry and Go Marine Group Pty Ltd (Compensation)

This matter concerned an appeal by the applicant, Perry, against a decision of the Tribunal which affirmed earlier decisions that his employment had not materially contributed to his current left knee condition. The respondent was Go Marine Group Pty Ltd. The dispute centred on whether the applicant's employment had caused or aggravated a pre-existing condition to a material degree, thereby entitling him to compensation.

The primary legal issue before Deputy J Sosso P was to determine whether the applicant's employment contributed in a "material degree" to his current left knee condition, specifically osteoarthritis. This required the court to assess the causal link between the applicant's work activities and the aggravation of his pre-existing knee pathology, considering factors such as a previous injury and obesity.

The court's reasoning was heavily influenced by the medical evidence presented by both parties, particularly the reports of Dr Steadman and Dr Dane Andersen. Deputy J Sosso P applied the interpretation of "material degree" as an "evaluative threshold" requiring a substantial or considerable contribution, rather than a de minimis one. The court found that the weight of the medical evidence did not establish that the applicant's employment had materially contributed to his current left knee condition, despite acknowledging the applicant's submissions regarding a workplace injury in May 2010 and subsequent aggravation in November 2010.

Ultimately, the court concluded that the applicant's employment had not materially contributed to his current left knee condition. Accordingly, the reviewable decisions were affirmed.