HP has batted away suggestions from the former management of Autonomy - its software unit caught up in an accounting maelstrom - that they did nothing wrong, and challenged them to make their claims under threat of perjury.
The company on Thursday released a statement saying that it hopes former Autonomy boss Mike Lynch and other departed executives of the company will agree to go under oath and answer questions about autonomy practices in a courtroom setting.
"While Lynch is eager for a debate, we believe the legal process is the correct method in which to bring out the facts and take action on behalf of our shareholders," HP said in its statement.
"In that setting, we look forward to hearing Lynch and other former Autonomy employees answer questions under penalty of perjury."
The company's statement was relatively reserved, suggesting that the HP has less interest in a war of words than a formal inquiry and resolution to the matter.
The HP release comes just hours after Lynch issued an open letter to the company. In the letter, Lynch claimed he had still not been fully appraised of the allegations that were being levelled at his former firm.
Last week, HP disclosed it was writing down $8.8bn over its acquisition of Autonomy, claiming it had been misled about its worth.
Lynch accused HP of withholding the reasoning and figures behind many of its claims, including the billions of dollars it has attributed to mismanagement at Autonomy.
He insisted HP is trying to scapegoat Autonomy for its own financial missteps.
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