Convicted triple-murderer Erin Patterson's appeal against her convictions will be heard over two days in August in Victoria's highest court.
Patterson was found guilty last year of murdering her former in-laws Don and Gail Patterson, along with Gail's sister Heather Wilkinson, after serving them a beef Wellington lunch laced with deadly death cap mushrooms at her home in regional Victoria.
She was also convicted of attempting to murder Heather's husband, Ian Wilkinson, who survived after spending weeks in hospital.
The 50-year-old was sentenced to life in prison, with a non-parole period of 33 years.
Grounds for appeal
Court documents show Patterson will challenge her convictions on seven grounds, arguing there was a "substantial miscarriage of justice" during her trial.
Among the issues raised are claims her cross-examination was "unfair and oppressive", concerns over some evidence presented to the jury, and alleged irregularities during the jury's sequestration.
Patterson has consistently maintained her innocence, claiming the deaths were the result of an accidental poisoning.
The appeal is scheduled to be heard in the Victorian Court of Appeal on August 19 and 20.
In a separate action, prosecutors have also appealed her sentence, arguing the punishment imposed by the court was inadequate.
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