Whistleblower Gillian Sneddon heard in court

Swansea whistleblower Gillian Sneddon suffered damage because of the "inequality of power" between herself and Milton Orkopoulos, the former Labor government minister she helped jail, the NSW Court of Appeal has heard.

Three appeal court judges are hearing Ms Sneddon's appeal against an earlier supreme court decision that the state of NSW was not liable for the actions of Orkopoulos, her former boss.

Ms Sneddon won a damages claim against Orkopoulos after a court accepted she was bullied and harassed by Orkopoulos after she helped police investigating child sex allegations against him.

Ms Sneddon was Orkopoulos' Swansea electorate secretary.

She also won a damages claim against her nominal employer,the former speaker of the NSW Legislative Assembly.

The court has heard Orkopoulos' failure to defend Ms Sneddon's damages claim against him disadvantaged her in her case against the state.

Ms Sneddon said she was "happy to be here in the interests of justice".

The court has heard the circumstances Ms Sneddon found herself in were almost unique, and that it was a "rather unusual case."

The hearing in Sydney continues.

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