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The founder of UK software company Autonomy came forward for arrest in connection extradition proceedings initiated by the United States for conspiracy and fraud.
Mike Lynch sold Autonomy to the American computer giant Hewlett Packard (HP) for 8.4 billion dollars in 2011.
But he faces allegations that he fraudulently inflated the vatheir Autonomy before the sale.
Lawyers for Dr Lynch have said he "strongly rejects all allegations ".
Chris Movillo and Reid Weingarten said Dr Lynch was "determined to continue to fight these accusations ".
They said Wednesday's decision to submit arrest was a "formality" and he had been released on £ 10million bail by Westminster Magistrates' Court. The full hearing of the case will begin later this year.
Dr Lynch faced civil charges at the High Court in London, where HP was able toresult in damages for the case. But separately, the US Department of Justice (DoJ) is pursuing criminal charges against him.
"The US Department of Justice should not have initiated extradition proceedings prior to judgment. of the English High Court, "lawyers for Dr Lynch said in a statement.
image copyright image caption HP sues Dr Lynch
They added: "Since HP first raised these allegations over seven years ago, Dr. Lynch has firmly denied them and has worked hard to answer correctly and set the record straight.
"Dr Lynch has now responded to HP's claims in the appropriate forum, the High Court in London, where he attended court every day of the 10-month trial.
"He neither hid nor hesitated to defend his conduct. Having patiently and diligently defended the case in England for several years, he awaits the judgment of the civil lawsuit. "
'Artificially inflated '
The UK's Serious Fraud Office investigated the case in 2013, before dropping the case. 'case two years later due to "insufficient evidence ".
Autonomy was founded by Mr. Lynch in 1996. It developed software that could extract useful information from structured data sources such as telephone calls.ques, emails, or videos, then do things like suggest answers to a call center operator or monitor TV channels for words or topics.
Before Being acquired by HP, the company was headquartered in San Francisco and Cambridge in the UK.
In 2010, approximately 68% of Autonomy's reported income came from the United States and elsewhere in the Americas.
HP and U.S. prosecutors allege that Mr. Lynch and other former Autonomy executives artificially inflated the software company's revenue and revenue between 2009 and 2011, causing HP to pay too much for the company.
But Mr Lynch argued that HP used the allegations to cover up its own mismanagement of Autonomy after the 2011 deal.