Data protection case law Court of Justice

Traffic data

1 pending referral

Referral C-470/21 (La Quadrature du Net and Others () and lutte contre la contrefaçon), 30 Jul 2021)


13 preliminary rulings

Judgment of 20 Sep 2022, C-793/19 (SpaceNet)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights of the European Union must be interpreted as meaning that:


it precludes national legislative measures which provide, on a preventative basis, for the purposes of combating serious crime and preventing serious threats to public security, for the general and indiscriminate retention of traffic and location data;


it does not preclude legislative measures that:

–   allow, for the purposes of safeguarding national security, recourse to an instruction requiring providers of electronic communications services to retain, generally and indiscriminately, traffic and location data in situations where the Member State concerned is confronted with a serious threat to national security that is shown to be genuine and present or foreseeable, where the decision imposing such an instruction is subject to effective review, either by a court or by an independent administrative body whose decision is binding, the aim of that review being to verify that one of those situations exists and that the conditions and safeguards which must be laid down are observed, and where that instruction may be given only for a period that is limited in time to what is strictly necessary, but which may be extended if that threat persists;

–   provide, for the purposes of safeguarding national security, combating serious crime and preventing serious threats to public security, for the targeted retention of traffic and location data which is limited, on the basis of objective and non-discriminatory factors, according to the categories of persons concerned or using a geographical criterion, for a period that is limited in time to what is strictly necessary, but which may be extended;–   provide, for the purposes of safeguarding national security, combating serious crime and preventing serious threats to public security, for the general and indiscriminate retention of IP addresses assigned to the source of an internet connection for a period that is limited in time to what is strictly necessary;

–   provide, for the purposes of safeguarding national security, combating crime and safeguarding public security, for the general and indiscriminate retention of data relating to the civil identity of users of electronic communications systems;–   allow, for the purposes of combating serious crime and, a fortiori, safeguarding national security, recourse to an instruction requiring providers of electronic communications services, by means of a decision of the competent authority that is subject to effective judicial review, to undertake, for a specified period of time, the expedited retention of traffic and location data in the possession of those service providers,



provided that those measures ensure, by means of clear and precise rules, that the retention of data at issue is subject to compliance with the applicable substantive and procedural conditions and that the persons concerned have effective safeguards against the risks of abuse.

of 20 Sep 2022, C-339/20 (VD)

European Union law must be interpreted as precluding a national court from restricting the temporal effects of a declaration of invalidity which it is required to make, under national law, with respect to provisions of national law which, first, require operators providing electronic communications services to retain generally and indiscriminately traffic data and, second, allow such data to be submitted to the competent financial authority, without prior authorisation from a court or independent administrative authority, owing to the incompatibility of those provisions with Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of the Charter of Fundamental Rights of the European Union. The admissibility of evidence obtained pursuant to provisions of national law that are incompatible with EU law is, in accordance with the principle of procedural autonomy of the Member States, a matter for national law, subject to compliance, inter alia, with the principles of equivalence and effectiveness.

Judgment of 5 Apr 2022, C-140/20 (Commissioner of the Garda Síochána and Others)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights of the European Union, must be interpreted as precluding legislative measures which, as a preventive measure for the purposes of combating serious crime and preventing serious threats to public security, provide for the general and indiscriminate retention of traffic and location data. However, that Article 15(1), read in the light of Articles 7, 8, 11 and 52(1) of the Charter of Fundamental Rights, does not preclude legislative measures that provide, for the purposes of safeguarding national security, combating serious crime and preventing serious threats to public security, for

–   the targeted retention of traffic and location data which is limited, on the basis of objective and non-discriminatory factors, according to the categories of persons concerned or using a geographical criterion, for a period that is limited in time to what is strictly necessary, but which may be extended;

–   the general and indiscriminate retention of IP addresses assigned to the source of an internet connection for a period that is limited in time to what is strictly necessary;

–   the general and indiscriminate retention of data relating to the civil identity of users of electronic communications systems; and

–   recourse to an instruction requiring providers of electronic communications services, by means of a decision of the competent authority that is subject to effective judicial review, to undertake, for a specified period of time, the expedited retention of traffic and location data in the possession of those service providers,

provided that those measures ensure, by means of clear and precise rules, that the retention of data at issue is subject to compliance with the applicable substantive and procedural conditions and that the persons concerned have effective safeguards against the risks of abuse.

EU law must be interpreted as precluding a national court from limiting the temporal effects of a declaration of invalidity which it is bound to make, under national law, with respect to national legislation imposing on providers of electronic communications services the general and indiscriminate retention of traffic and location data, owing to the incompatibility of that legislation with Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of the Charter of Fundamental Rights. The admissibility of evidence obtained by means of such retention is, in accordance with the principle of procedural autonomy of the Member States, a matter for national law, subject to compliance, inter alia, with the principles of equivalence and effectiveness.

Judgment of 2 Mar 2021, C-746/18 (Prokuratuur)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights of the European Union, must be interpreted as precluding national legislation that permits public authorities to have access to a set of traffic or location data, that are liable to provide information regarding the communications made by a user of a means of electronic communication or regarding the location of the terminal equipment which he or she uses and to allow precise conclusions to be drawn concerning his or her private life, for the purposes of the prevention, investigation, detection and prosecution of criminal offences, without such access being confined to procedures and proceedings to combat serious crime or prevent serious threats to public security, and that is so regardless of the length of the period in respect of which access to those data is sought and the quantity or nature of the data available in respect of such a period.

Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights, must be interpreted as precluding national legislation that confers upon the public prosecutor’s office, whose task is to direct the criminal pre-trial procedure and to bring, where appropriate, the public prosecution in subsequent proceedings, the power to authorise access of a public authority to traffic and location data for the purposes of a criminal investigation.

Judgment of 6 Oct 2020, C-511/18 (La Quadrature du Net and others)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights of the European Union, must be interpreted as precluding legislative measures which, for the purposes laid down in Article 15(1), provide, as a preventive measure, for the general and indiscriminate retention of traffic and location data. By contrast, Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights, does not preclude legislative measures that:–   allow, for the purposes of safeguarding national security, recourse to an instruction requiring providers of electronic communications services to retain, generally and indiscriminately, traffic and location data in situations where the Member State concerned is confronted with a serious threat to national security that is shown to be genuine and present or foreseeable, where the decision imposing such an instruction is subject to effective review, either by a court or by an independent administrative body whose decision is binding, the aim of that review being to verify that one of those situations exists and that the conditions and safeguards which must be laid down are observed, and where that instruction may be given only for a period that is limited in time to what is strictly necessary, but which may be extended if that threat persists;–   provide, for the purposes of safeguarding national security, combating serious crime and preventing serious threats to public security, for the targeted retention of traffic and location data which is limited, on the basis of objective and non-discriminatory factors, according to the categories of persons concerned or using a geographical criterion, for a period that is limited in time to what is strictly necessary, but which may be extended;–   provide, for the purposes of safeguarding national security, combating serious crime and preventing serious threats to public security, for the general and indiscriminate retention of IP addresses assigned to the source of an Internet connection for a period that is limited in time to what is strictly necessary;–   provide, for the purposes of safeguarding national security, combating crime and safeguarding public security, for the general and indiscriminate retention of data relating to the civil identity of users of electronic communications systems;–   allow, for the purposes of combating serious crime and, a fortiori, safeguarding national security, recourse to an instruction requiring providers of electronic communications services, by means of a decision of the competent authority that is subject to effective judicial review, to undertake, for a specified period of time, the expedited retention of traffic and location data in the possession of those service providers,provided that those measures ensure, by means of clear and precise rules, that the retention of data at issue is subject to compliance with the applicable substantive and procedural conditions and that the persons concerned have effective safeguards against the risks of abuse.

Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights, must be interpreted as not precluding national rules which requires providers of electronic communications services to have recourse, first, to the automated analysis and real-time collection, inter alia, of traffic and location data and, second, to the real-time collection of technical data concerning the location of the terminal equipment used, where:–   recourse to automated analysis is limited to situations in which a Member State is facing a serious threat to national security which is shown to be genuine and present or foreseeable, and where recourse to such analysis may be the subject of an effective review, either by a court or by an independent administrative body whose decision is binding, the aim of that review being to verify that a situation justifying that measure exists and that the conditions and safeguards that must be laid down are observed; and where–   recourse to the real-time collection of traffic and location data is limited to persons in respect of whom there is a valid reason to suspect that they are involved in one way or another in terrorist activities and is subject to a prior review carried out either by a court or by an independent administrative body whose decision is binding in order to ensure that such real-time collection is authorised only within the limits of what is strictly necessary. In cases of duly justified urgency, the review must take place within a short time.

of 6 Oct 2020, C-623/17 (Privacy International)

Article 1(3), Article 3 and Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Article 4(2) TEU, must be interpreted as meaning that national legislation enabling a State authority to require providers of electronic communications services to forward traffic data and location data to the security and intelligence agencies for the purpose of safeguarding national security falls within the scope of that directive.

Judgment of 2 Oct 2018, C-207/16 (Ministerio Fiscal)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7 and 8 of the Charter of Fundamental Rights of the European Union, must be interpreted as meaning that the access of public authorities to data for the purpose of identifying the owners of SIM cards activated with a stolen mobile telephone, such as the surnames, forenames and, if need be, addresses of the owners, entails interference with their fundamental rights, enshrined in those articles of the Charter of Fundamental Rights, which is not sufficiently serious to entail that access being limited, in the area of prevention, investigation, detection and prosecution of criminal offences, to the objective of fighting serious crime.

Judgment of 21 Dec 2016, C-203/15 (Tele2 Sverige)

Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications), as amended by Directive 2009/136/EC of the European Parliament and of the Council of 25 November 2009, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights of the European Union, must be interpreted as precluding national legislation which, for the purpose of fighting crime, provides for general and indiscriminate retention of all traffic and location data of all subscribers and registered users relating to all means of electronic communication.

Article 15(1) of Directive 2002/58, as amended by Directive 2009/136, read in the light of Articles 7, 8 and 11 and Article 52(1) of the Charter of Fundamental Rights, must be interpreted as precluding national legislation governing the protection and security of traffic and location data and, in particular, access of the competent national authorities to the retained data, where the objective pursued by that access, in the context of fighting crime, is not restricted solely to fighting serious crime, where access is not subject to prior review by a court or an independent administrative authority, and where there is no requirement that the data concerned should be retained within the European Union.

Judgment of 8 Apr 2014, C-293/12 (Digital Rights Ireland and Seitlinger and Others)

Directive 2006/24/EC of the European Parliament and of the Council of 15 March 2006 on the retention of data generated or processed in connection with the provision of publicly available electronic communications services or of public communications networks and amending Directive 2002/58/EC is invalid.

Judgment of 22 Nov 2012, C-119/12 (Probst)

Article 6(2) and (5) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications) must be interpreted as authorising a provider of public communications networks and of publicly-accessible electronic communications services to pass traffic data to the assignee of its claims for payment in respect of the supply of telecommunications services for the purpose of recovery of those claims, and as authorising that assignee to process those data on condition, first, that the latter acts under the authority of the service provider as regards the processing of those data and, second, that that assignee confines itself to processing the traffic data necessary for the purposes of recovering the claims assigned.Irrespective of the classification of the contract of assignment, the assignee is deemed to act under the authority of the service provider, within the meaning of Article 6(5) of Directive 2002/58, where, for the processing of traffic data, it acts exclusively on the instructions and under the control of that provider. In particular, the contract concluded between them must contain provisions capable of guaranteeing the lawful processing, by the assignee, of the traffic data and of enabling the service provider to ensure, at all times, that that assignee is complying with those provisions.

Judgment of 19 Feb 2009, C-557/07 (LSG-Gesellschaft zur Wahrnehmung von Leistungsschutzrechten)

Community law – in particular, Article 8(3) of Directive 2004/48/EC of the European Parliament and of the Council of 29 April 2004 on the enforcement of intellectual property rights, read in conjunction with Article 15(1) of Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications) – does not preclude Member States from imposing an obligation to disclose to private third parties personal data relating to Internet traffic in order to enable them to bring civil proceedings for copyright infringements. Community law nevertheless requires Member States to ensure that, when transposing into national law Directive 2000/31/EC of the European Parliament and of the Council of 8 June 2000 on certain legal aspects of information society services, in particular electronic commerce, in the Internal Market (‘Directive on electronic commerce’), Directive 2001/29/EC of the European Parliament and of the Council of 22 May 2001 on the harmonisation of certain aspects of copyright and related rights in the information society, and Directives 2002/58 and 2004/48, they rely on an interpretation of those directives which allows a fair balance to be struck between the various fundamental rights involved. Moreover, when applying the measures transposing those directives, the authorities and courts of Member States must not only interpret their national law in a manner consistent with those directives but must also make sure that they do not rely on an interpretation of those directives which would conflict with those fundamental rights or with the other general principles of Community law, such as the principle of proportionality.

Judgment of 29 Jan 2008, C-275/06 (Promusicae)

Directive 2000/31/EC of the European Parliament and of the Council of 8 June 2000 on certain legal aspects of information society services, in particular electronic commerce, in the Internal Market (‘Directive on electronic commerce’), Directive 2001/29/EC of the European Parliament and of the Council of 22 May 2001 on the harmonisation of certain aspects of copyright and related rights in the information society, Directive 2004/48/EC of the European Parliament and of the Council of 29 April 2004 on the enforcement of intellectual property rights, and Directive 2002/58/EC of the European Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications) do not require the Member States to lay down, in a situation such as that in the main proceedings, an obligation to communicate personal data in order to ensure effective protection of copyright in the context of civil proceedings. However, Community law requires that, when transposing those directives, the Member States take care to rely on an interpretation of them which allows a fair balance to be struck between the various fundamental rights protected by the Community legal order. Further, when implementing the measures transposing those directives, the authorities and courts of the Member States must not only interpret their national law in a manner consistent with those directives but also make sure that they do not rely on an interpretation of them which would be in conflict with those fundamental rights or with the other general principles of Community law, such as the principle of proportionality.


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