City trader sues UBS for $400m after rate-rigging conviction quashed
A complaint filed in a US court said the Mr Hayes was seeking $400m (£300m) in damages. UBS declined to comment on the case.
In July, Mr Hayes had his conviction overturned by the UK Supreme Court after it was ruled unfair. He had been jailed in 2015 for manipulating interest rates used for loans between banks.
Tom Hayes launched a legal claim for malicious prosecution against the Swiss banking giant, claiming he was the bank's "hand-picked scapegoat" in one of the biggest scandals of the 2008 financial crisis.
A former trader who ha
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