Nokia has said it does not expect to close the sale of its phone business to Microsoft until April, as talks with Asian regulators drag on, fuelling speculation it may have to make technology patent concessions to get the deal done, Reuters has reported. Google and Samsung Electronics have asked Chinese regulators to ensure the €5.4bn deal between would not lead to higher licensing fees. “(The delay) is a bad sign. They have been discussing with authorities for quite a while already, and they still need more time,” Nordea Markets analyst Sami Sarkamies said. “The biggest risk is in the upside of their patents. It looks like Nokia will have to make bigger concessions to push the deal through,” he said.