Pre-nuptial agreements were effectively legalised in Britain today after the Supreme Court ruled against the husband of a £100m heiress.
Nicolas Granatino was trying to reverse an Appeal Court decision to slash his divorce settlement with Katrin Radmacher from more than £5m to £1m.
But today the Supreme Court ruled in favour of his German-born ex-wife, in a landmark case seen by lawyers as the ultimate test of pre-nups in English law, the Daily Mail reports.
The court's decision will mean "more couples will marry for love not money", Katrin Radmacher's solicitor Simon Bruce said.
He added: "Overall we are likely to see more stability in relationships. Couples who marry with a pre-nup will want to be together and will understand their rights and responsibilities."
Granatino's barrister Nicholas Mostyn QC had told the nine justices headed by Lord Phillips at a hearing in March that the Court of Appeal ruling was not only unfair, it was impermissible because it amounted to a court legislating over pre-nuptial agreements which are not recognised in English law.
He said when Mrs Justice Baron decided the case in the High Court in 2008, she said the prenuptial agreement signed by the parties in 1998 was 'manifestly unfair'.
The husband had no separate legal advice, there was no financial disclosure by the wife and it left him with no money on divorce even if he was in serious difficulties.
The High Court judge had said the pre-nuptial agreement was void but was not irrelevant and its existence had reduced her award to the husband.
This was £4.735m, plus money to buy a home in Germany to care for their two children, and periodical payments of £35,000 a year for each child.
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