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NSW Ports seeks to shut down Mayfield's antitrust case in Australia's top court

By Saloni Sinha ( October 1, 2025, 06:36 GMT | Insight) -- In a long-running antitrust fight, New South Wales Ports has launched a cross-appeal in Australia’s top court in response to Mayfield Development’s appeal seeking review of an earlier finding that three port operators in the state of New South Wales enjoyed “derivative” immunity from antitrust laws because of their links to the state government. In the cross-appeal documents seen by MLex and filed in late August in the High Court of Australia, NSW Ports and the state of New South Wales are appealing an earlier Federal Court of Australia decision in awarding it only a portion of legal costs in a case brought by Mayfield Development.In a long-running antitrust fight, New South Wales Ports has launched a cross-appeal in Australia’s top court in response to Mayfield Development’s appeal seeking review of an earlier finding that three port operators in the eastern state of New South Wales enjoyed “derivative” immunity from antitrust laws because of their links to the state government....

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