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Katy Perry wins appeal in trade mark fight with Aussie designer
The Full Court has overturned a finding that singer Katy Perry infringed an Australian fashion designer's 'Katie Perry' mark, finding the designer knew of the pop star when she registered the mark.
Second judge has rosier view of claims in class action over $85M development
The judge overseeing a class action over the $85 million sale of a Sydney development has expressed a more favourable view of the plaintiffs’ claims than a judge who denied them an interim injunction.
Pharmacor says AstraZeneca’s Brilinta patent should not have been extended
As it fends off a suit by AstraZeneca seeking to block the sale of a cheaper version of Brilinta, generics maker Pharmacor claims a patent for the heart attack drug should not have been extended.
Clyde & Co sued by insurers over indemnity advice
Clyde & Co has been hit with a lawsuit by insurers who say they were wrongly advised to indemnify a builder in a legal dispute. 
Top silk to join NSW Supreme Court
A top barrister known for work in commercial disputes and class actions has joined the bench of the NSW Supreme Court. 
AI pathology invention just administrative tool, not patentable: IP Australia
AI tech company Paige can't patent a tool to provide quality control for analysis of pathology images, with IP Australia finding the invention is merely an “administrative scheme” to automate the role of human pathologists. 
Child removal class actions launched against NSW, WA
Two class actions have been filed alleging racial discrimination by New South Wales and Western Australia over the placement of children in state care.
Zoetis loses appeal over pig vaccine patents
US animal drug manufacturer Zoetis has lost its challenge a ruling that chucked out three of its patents for a single-dose vaccine to protect pigs from enzootic pneumonia.
CBA slams class actions’ ‘misguided’ theory on appeal
CBA has attacked two failed class actions' "misguided" appeal, arguing that requiring companies to disclose incomplete information to shareholders would distort the market.
Judgment in CBA class actions could affect insider trading cases, Full Court told
The Full Court has heard that a judge's finding on materiality in two failed shareholder class actions against CBA could have “troubling” repercussions for insider trading cases and must be overturned.