The European Court of Justice (ECJ) ruled in July 2018 that onerous EU regulations for GMOs should also be applied to gene edited crops. The ECJ noted that older technologies to generate mutants, such as chemicals or radiation, were exempt from the 2001 GMO directive, but all other mutated crops should be regarded as GMOs. Since gene editing does not involve foreign DNA, most plant scientists had expected it to escape GMO regulations.

‘We didn’t expect the ruling to be so black and white and prescriptive,’ says Johnathan Napier, a crop scientist at Rothamsted Research. ‘If you introduce a mutant plant using chemical mutagenesis, you will likely introduce thousands if not millions of mutations. That is not a GMO. But if you introduce one mutation by gene editing, then that is a GMO.’

What is genetic modification? Video: The Royal Society

The ECJ ruling will have strong reverberations in academe and industry. The European Seed Association described the ruling as a watershed moment. ‘It is now likely that much of the potential benefits of these innovative methods will be lost for Europe – with significant economic and environmental consequences,’ said secretary general Garlich von Essen.

In 2012, BASF moved its plant research operations to North Carolina, US, because of European regulations. ‘If I was a company developing gene editing technologies, I’d think of moving out of Europe,’ says Napier.

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‘The EU is shooting itself in the foot. Its ag economy has been declining since 2005 and it has moved from net self-sufficiency to requiring imports of major staples,’ says Maurice Moloney, CEO of the Global Institute for Food Security in Saskatchewan, Canada. ‘Paradoxically, it still imports massive quantities of GM soya beans and other crops to feed livestock.’