Google said it has filed an antitrust complaint with the European Commission against Microsoft and Nokia, saying the companies are using patents to thwart competition. The complaint focuses on a transfer Nokia, Microsoft made last year of some 2,000 patents and patent applications to Mosaid Technologies, a company known for its patent litigation, said a Google spokesman. The patents relate to industry standards for wireless technology, and Microsoft has pledged it wouldn’t use such patents to block competiton.