European Union leaders have resolved a row that was holding up the launch of a single patent scheme over which the bloc had been fighting for decades, EU President Herman Van Rompuy said Friday, according to dpa. "We reached today a final agreement on the EU patent," Van Rompuy wrote on Twitter while a summit was still ongoing. The last stumbling bloc had been a row between France, Germany and Britain on the seat of the court that will rule on the EU patent scheme. It was not immediately clear how the issue was resolved, but earlier diplomats suggested that the bulk of the institution would be set up in Paris, with some functions delegated to offices in London and Munich.