Newcastle United's would-be director Amanda Staveley has lost her court battle with Barclays.

The businesswoman was part of a Middle East consortium that wanted to buy Newcastle from Mike Ashley last year.

In a separate case, where victory could have potentially enhanced Newcastle's fortunes, Ms Staveley had claimed that Barclays owed her and her private equity firm PCP Capital Partners up to £600million in damages.

But she has emerged with nothing from the case.

Ms Staveley, 47, claimed that senior executives agreed to provide an unsecured £2billion loan to Qatari investors and that it was concealed from PCP Capital Partners.

Yet the bank disputed the allegations and have had the claim dismissed, Barclays said in a statement: "We welcome the court's decision to dismiss PCP's claim in its entirety and award it no damages."

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Staveley, in her own statement, said: "In spite of Barclays’ efforts to question my character and credentials, the Court has recognised my abilities as a businesswoman and the truth of my account of events.

"The judgment confirms what I have said from the outset and repeated in my evidence; a senior executive at Barclays repeatedly lied to me when seeking private investment in the bank during the 2008 financial crisis.

"The evidence at trial was clear and unequivocal; PCP was an investor in the transaction and played an integral role in the capital raising, which ultimately prevented the bank from being nationalized. I will be taking advice on appealing the Judge’s decision not to award damages."

Richard East, a senior partner said: "Despite Barclays’ attempts to besmirch Ms Staveley’s character during 6 days of no-holds-barred cross examination, this judgment makes clear that Ms Staveley was a reliable and honest witness and that by contrast, Barclays was dishonest in its dealings with PCP and misled Ms Staveley as to the true nature of its deal with Qatar.

"It is disappointing that, despite the Judge finding that Ms Staveley was a tough, persistent, clever and able negotiator, that he found ultimately that she could not have completed the deal which she had put in place and hence no loss was suffered. This is a surprising outcome.

"We hope that the regulators will have a close look at this judgment and the conclusions the judge reaches on the behaviour of senior personnel within Barclays."