Case C-175/15: Judgment of the Court (Sixth Chamber) of 17 March 2016 (request for a preliminary ruling from the Înalta Curte de Casație și Justiție — Romania) — Taser International Inc. v SC Gate 4 Business SRL, Cristian Mircea Anastasiu (Reference for a preliminary ruling — Area of freedom, security and justice — Judicial cooperation in civil matters — Regulation (EC) No 44/2001 — Contracts imposing an obligation on a Romanian undertaking to assign trade marks to an undertaking with its seat in a third country — Refusal — Clause conferring jurisdiction on a third country — Defendant entering an appearance before the Romanian courts without raising an objection — Applicable rules on jurisdiction)