Here are the key dates in his case:
May 5 2018: British academic Matthew Hedges is reportedly taken into custody at Dubai airport after travelling to the UAE to interview sources about the country’s foreign policy and security strategy.
October 10: A court in Abu Dhabi hears Mr Hedges’ case, but adjourns for another hearing on October 24.
October 11: Mr Hedges’ wife, Daniela Tejada, calls on UAE officials to “admit that they’ve made a mistake” and to release her husband. Ms Tejada says she has not been told what exactly her husband has been accused of, but she does not rule out the prospect of him being accused of spying.
October 11: Foreign Secretary Jeremy Hunt personally raises Mr Hedges’ case with his UAE counterpart amid concerns over his mental health and well-being.
October 15: Ms Tejada sees reports that her husband will go on trial for spying and says he is a man of principle with an “impeccable track record”.
October 19: Mr Hedges is said to be after spending more than five months in solitary confinement. In a joint statement, Durham and Exeter Universities say they are “deeply concerned” about Mr Hedges’ welfare.
October 25: Mr Hedges denies spying for the UK Government when he appears at the Federal Court of Appeal in Abu Dhabi. Ms Tejada says the Foreign Office has been lobbying for Mr Hedges’ welfare, but her requests to meet the Foreign Secretary have not been granted.
November 21: Mr Hedges is sentenced to life imprisonment in a five-minute hearing at an Abu Dhabi court. Prime Minister Theresa May says she is “deeply disappointed and concerned” about the case, while Mr Hunt urges the UAE to reconsider the sentence.
November 22: Ms Tejada says she has won assurances that the Government is “now standing up for one of its citizens” after a meeting with Mr Hunt. Prior to the meeting, she had condemned the Foreign Office over its handling of the case.