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What have we learned from week one of Mike Lynch’s US fraud trial?
<span>Mike Lynch arrives at federal court in San Francisco on 18 March 2024.</span><span>Photograph: Loren Elliott/Bloomberg via Getty Images</span>
Mike Lynch arrives at federal court in San Francisco on 18 March 2024.Photograph: Loren Elliott/Bloomberg via Getty Images

At the height of his career, Mike Lynch – once the UK’s leading tech entrepreneur, hailed as “Britain’s Bill Gates” – sold his software firm to a Silicon Valley giant in an $11bn (£8.6bn) deal. Last Monday, more than a dozen years later, that deal became the centrepiece of a trial in San Francisco.

Lynch has been charged with 16 counts of wire fraud, securities fraud and conspiracy by the US authorities, who claim that Hewlett-Packard’s troubled acquisition of Lynch’s Autonomy was built on lies. If convicted, he faces up to 25 years in jail. He has pleaded not guilty.

Related: From riches to ankle bracelet: UK tech tycoon Mike Lynch’s stunning fall

The trial will be intensely focused on what did, and did not, take place in 2011, the year HP bought Autonomy. Over the coming weeks, jurors will hear from dozens of witnesses in a windowless, wood-panelled courtroom just up the road from the San Francisco skyscraper Autonomy once occupied.

The man once lauded as “Britain’s Bill Gates” spent the first week of the trial quietly listening as federal prosecutors picked over his former empire. Occasionally he turned to his laptop, twiddled with his pen or shared a word with his lawyers. Even more occasionally, he smiled.

1. It’s 2011 all over again

David Cameron was still in No 10, Barack Obama was in the White House, and cinemagoers were flocking to the climactic Harry Potter film.

Lynch has long argued the takeover was undone by HP’s mismanagement of Autonomy after its completion but, significantly, the judge, Charles Breyer, has insisted the trial’s focus should not include the aftermath of the deal.

The challenges the passage of time has created are evident. Explaining financial transactions and complex discussions from well over a decade ago to a jury coming to this case fresh will be no mean feat. For example:

“I can’t give you a specific date for certain,” the first witness, the former Autonomy employee Ganesh Vaidyanathan, remarked on Tuesday when asked about the specific timing of a conversation in 2010.

2. A simple foundation

So prosecutors began by highlighting a single meeting.

In early 2011, Lynch flew to the US and “spun a fabulous tale of corporate success” in a meeting with HP executives at the company’s HQ in Palo Alto, the assistant US attorney Adam Reeves told the court. Desperate to diversify from hardware into software, HP “ate it up”, according to Reeves, who said the meeting had been “the scene of an $11bn fraud”. Through a “variety of accounting tricks” and deals that “made no sense, unless you were trying to falsely inflate your revenue”, the government alleges Autonomy constructed “an elaborate, multilayered, multiyear fraud”.