Court of Justice 29 May 2013, C‑140/12 (Pensionsversicherungsanstalt v Peter Brey.)

OPINION OF ADVOCATE GENERAL WAHL delivered on 29 May 2013 ( 1 ) Case C‑140/12 Peter Brey v Pensionsversicherungsanstalt (Request for a preliminary ruling from the Oberster Gerichtshof (Austria)) ‛Citizenship of the Union — Freedom of movement for persons — Article 7(1)(b) of Directive 2004/38/EC — Right of residence for a period longer than three months on the territory of another Member State —