Judgment_paragraph 129 · 'Klaipėdos regiono atliekų tvarkymo centras' v UAB (C-927/19)

129However, in the context of a review of a decision taken by a contracting authority in relation to a public procurement procedure, the adversarial principle does not mean that the parties are entitled to unlimited and absolute access to all of the information relating to the procurement procedure concerned which has been filed with the body responsible for the review (see, to that effect, judgment of 14 February 2008, Varec, C‑450/06, EU:C:2008:91, paragraph 51). On the contrary, as noted, in essence, in paragraph 121 above in relation to the obligations incumbent on contracting authorities in that regard, the obligation to provide the unsuccessful tenderer with sufficient information to safeguard its right to an effective remedy must be weighed against the right of other economic operators to protection of their confidential information and their trade secrets.