Karina Fisheries Pty Ltd v Mitson

In the case of Karina Fisheries Pty Ltd v Mitson, the plaintiff, a company involved in the manufacture of lawn mowers, sought relief for the alleged infringement of copyright in drawings of a particular lawn mower drive mechanism. The defendant, an individual, was accused of imitating the plaintiff's design to a considerable extent. The Federal Court was tasked with determining whether the defendant's actions constituted an infringement of copyright in the drawings and whether the plaintiff's employer could be considered the author of the drawings under the relevant legislation.

The court needed to decide several key legal issues, including the nature and degree of difference between the plaintiff's drawings and the defendant's design, which would determine whether the latter constituted a reproduction. The court also needed to determine whether the employer was the author of the drawings under the Copyright Act, and if the sale of the business as part of a Slutzkin scheme constituted an implied assignment of copyright. Additionally, the court needed to consider whether the Slutzkin arrangement evinced an illegal purpose, and whether the defendant's actions constituted a breach of the plaintiff's copyright. The court also needed to consider the relationship between the Copyright Act and the Designs Act 1906, and whether the plaintiff's delay in taking action constituted a bar to relief.

The court found that the defendant's design was substantially similar to the plaintiff's drawings, and that the adoption of the idea or principle behind the plaintiff's design did not constitute infringement of copyright. The court held that the plaintiff's employer could be considered the author of the drawings under the Copyright Act, and that the sale of the business as part of a Slutzkin scheme did not constitute an implied assignment of copyright. The court also found that the Slutzkin arrangement did not evince an illegal purpose, and that the defendant's actions did not constitute a breach of the plaintiff's copyright. The court held that the term "engraving" under the Copyright Act was not limited to two-dimensional works, and that the plaintiff's delay in taking action did not constitute a bar to relief. The court ultimately dismissed the plaintiff's application, finding that the defendant had not infringed the plaintiff's copyright in the drawings.