When quizzed if the ECJ would play a role in Brexit negotiation, the body’s president Koen Lenaerts said: “Yes it is.
“It probably will, one day or another, end up on the docket of the Court – not because of the Court, but because of parties bringing the case.”
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He went on to suggest the ECJ could even amend any trade deals between Britain and the EU after the UK leaves the grasps of the Brussels bloc.
The Belgian’s claims are likely to frustrate Theresa May, who promised to “take back control of our laws” in her landmark Brexit speech last month.
She said: “Leaving the European Union will mean that our laws will be made in Westminster, Edinburgh, Cardiff and Belfast.
The European Court of Justice, based in Luxembourg, is the EU's highest court
“And those laws will be interpreted by judges not in Luxembourg but in courts across this country.”
Lenaerts went on to deny that his court had made any attempts to bolster EU powers, saying: “We are not pro-Union, we are not against Union.
Theresa May's 12 point Brexit plan Mon, January 16, 2017
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Continued cooperation with the EU to tackle terrorism and international crime.
“We are pro-law. The law is made by the political process.
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“I have never ever, even in the most sensitive cases, felt any form of pressure, influence. Nothing. Not before, during or after.”
Mr Lenaerts became the president of the European Court of Justice in 2015
In a small victory for Brexiteers, Lenaerts, who has been involved with the ECJ for 28 years, insisted the court would rule only on legal arguments, rather than politics.
He said the ECJ acted in “splendid isolation”, away from Brussels or influential capitals across Europe.
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