1. 

Actions for annulment — Actionable measures — Concept — Measures producing binding legal effects — Letter from the Commission to the applicant interpreting the scope of the commitments entered into by a third undertaking in order to render a concentration compatible with the internal market — Not included

(Art. 263, fourth para. TFEU)

(see paras 30, 35, 36, 39)

2. 

Actions for annulment — Actionable measures — Concept — Measures producing binding legal effects — Letter from an institution

(Art. 263 TFEU)

(see para. 40)

3. 

Concentrations between undertakings — Examination by the Commission — Commitments of the undertakings concerned capable of rendering the notified operation compatible with the internal market — Entitlement of third parties to lodge a complaint with the Commission for breach of the commitments — Absence

(Council Regulation No 139/2004; Commission Regulations No 773/2004, Art. 7 and No 802/2004)

(see paras 42, 43)

4. 

Actions for annulment — Admissibility criteria — Actionable measure — Absence — Inadmissibility — Infringement of the right to effective judicial protection — Absence

(Art. 19 TEU; Arts 263, fourth para. and 267 TFEU; Charter of Fundamental Rights of the European Union, Art. 47)

(see paras 46-49)

5. 

Concentrations between undertakings — Examination by the Commission — Commitments of the undertakings concerned capable of rendering the notified operation compatible with the internal market — Criteria

(Council Regulation No 139/2004, Arts 2(2), 6(2) and 8(2))

(see paras 50-54)

6. 

Actions for annulment — Time limits — Mandatory — Point from which time starts to run — Date on which the measure at issue was published — Concept — Decision published in full on an institution’s internet site and in summary form in the Official Journal of the European Union — Included

(Art. 263, sixth para. TFEU)

(see paras 61-63)

7. 

Judicial proceedings — Time limit for instituting proceedings — Claim barred by lapse of time — Excusable error — Concept

(see paras 70, 75)

1. 

Dismisses the action;

2. 

Declares that there is no need to rule on the applications to intervene lodged by Telefónica Deutschland Holding AG and Drillisch AG;

3. 

Orders Mass Response Service GmbH to bear its own costs and to pay those incurred by the European Commission;

4. 

Orders Telefónica Deutschland Holding to bear its own costs relating to the application to intervene;

5. 

Orders Drillisch to bear its own costs relating to the application to intervene.