"A majority of the court dismisses the appeal".
Rosa Curling, from the law firm Leigh Day that helped bring the legal challenge, called the court's ruling "a momentous day for women in Northern Ireland" and said it is now up to British Prime Minister Theresa May to take action to ease the laws.
However, the judges also said the current law violates the European Convention on Human Rights.
Ms Jackman, victor of the 2018 Lawyer of the Year Award at the Eclipse Proclaim Modern Law Awards, led an Article 8 and Article 14 case (A and B v Secretary of State for Health) in defence of women from Northern Ireland seeking NHS-funded abortions in England.
But a majority also ruled that the Northern Ireland Human Rights Commission (NIHRC), which brought the appeal, did not have the power to "institute abstract proceedings of this nature".
Creasy made the stinging comment during a Commons debate on Wednesday on whether Westminster should intervene to make abortion legal in Northern Ireland given the current absence of a devolved government.
"I am relieved to hear the highest court in the land has recognised that Northern Ireland is in breach of human rights for people who find themselves with fatal foetal abnormality and have said that the law needs to be changed, so we will keep going until we get that change".
This article has been adapted from its original source.
Sarah Ewart will be seeking a formal declaration of incompatibility that the UK Supreme Court declined to grant yesterday.
The judges said the case should have been brought by a woman pregnant as a result of a crime or carrying a foetus with a fatal abnormality.
"This must be the final nail in the coffin for Northern Ireland's abortion ban".
"I think there are serious questions to be asked of the Human Rights Commission about the amount of public expenditure which has gone into this case when they ought to have known from the beginning that this was beyond their remit", he said. He added: "We should all approach the matter of abortion with the seriousness and maturity that the discussion deserves".
In June 2017, May's government announced that Northern Irish women would be able to procure free National Health Service abortions in England. "I hope this ruling means that things will change so no more women have to go through what I, and so many others, already have".
"However, the Court has indicated how it would have decided the case if the Commission had standing".
The push for the legalization of abortion in Northern Ireland is not a new campaign, and has gained traction with the overturn of an abortion ban in the Republic of Ireland only weeks ago. "There is a right to life in the whole process of human rights law". Following her death, people took to streets to call for immediate reforms in the country's abortion laws.
"It is so incredibly important to lobby for life at this present point in time because of the stark threat to unborn children here as Northern Ireland faces a great deal of political instability", said Precious Life, a pro-life group in Northern Ireland, in August 2017.