Opinion of Advocate General Szpunar delivered on 2 February 2016 Opinion of Advocate General Szpunar delivered on 2 February 2016.#Banco Primus SA v Jesús Gutiérrez García.#Request for a preliminary ruling from the Juzgado de Primera Instancia.#Reference for a preliminary ruling — Directive 93/13/EEC — Contracts concluded between sellers or suppliers and consumers — Unfair terms — Mortgage loan agreements — Mortgage enforcement proceedings — Limitation period — Function of the national courts — Res judicata.#Case C-421/14.