AEG Live was cleared of liability in October after a five-month trial.
Michael Jackson’s mother Katherine Jackson and his children had claimed the jury was not given proper instructions, but a judge has ruled against a retrial.
The megastar died in 2009 after being given an overdose of powerful anaesthetic propofol by Conrad Murray, which AEG Live had hired as his personal doctor.
The promoter of Michael Jackson’s comeback concerts, This Is It, was sued by the singer’s mother, 83, and three children Prince Michael, Paris and Blanket.
But the company was cleared of negligence by the jury, which concluded that Conrad Murray had been sufficiently qualified for the job.
In court in Los Angeles the Jackson family had argued that the jury was not given the right verdict forms and their instructions were confusing.
“The court finds no jury confusion, based on the admissible evidence,” said Superior Court Judge Yvette Palazuelos.
A statement from AEG Live was released through its lawyer Marvin Putnam.
“We were confident that the court would uphold the jury’s verdict,” he said.
Marvin Putnam added: “This is also fantastic news for the taxpayers of California, who won’t have their hard-earned money wasted retrying plaintiffs’ baseless claims. Enough is enough.”
Lawyers for the Jackson family said they may send their appeal to a higher state court.
“We believe there are numerous ways that we can win on appeal,” said lawyer Kevin Boyle.
Jurors who spoke after October’s verdict said it did not mean they thought Conrad Murray was ethical in his care of Michael Jackson, but that he was fit and competent to serve as the singer’s doctor when he was hired.
Conrad Murray was convicted of involuntary manslaughter in 2011 for Michael Jackson’s death. He was released in October after serving half of his 4-year sentence, under a California state plan to reduce prison overcrowding.
The former doctor’s medical licenses remain suspended or revoked in the US states where he previously practiced medicine.
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