The Crown Prosecution Service (CPS) has ruled there will be no further review into the death of 13-month-old Poppi Worthington.
The Cumbrian toddler died after falling ill at her home in Barrow in 2012.
Cumbria's Senior Coroner David Roberts ruled earlier this year that Poppi had been sexually assaulted by her father, Paul Worthington, prior to her death.
But the inquest found failings by Cumbria Police in the initial investigation meant there was insufficient evidence to charge Mr Worthington, who has always denied any wrongdoing.
The CPS said, "No new evidence emerged which was capable of affecting the decisions not to prosecute."
The mother of Poppi Worthington is "extremely disappointed" the latest inquest was "not enough" to prompt a further review of the case by the Crown Prosecution Service, her lawyer has said.
Cumbria Police said they respect the decision: