Data Extra Commercium

Václav Janeček, Gianclaudio Malgieri

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

Abstract

Commerce in some data is, and should be, limited by the law (data extra commercium) because some data embody values and interests (in particular, human dignity) that may be detrimentally affected by trade. In this article, drawing on the Roman law principles regarding res extra commercium, we investigate the example of personal data as regulated under the EU Charter and the GDPR. We observe that transactions in personal data are not forbidden but subject to what we call a dynamically limited alienability rule. This rule is based on two dynamic variables: the nature of data and the legal basis for commercially trading such data (at primary or secondary level). Accordingly, in order to deal with such dynamism and the uncertainty it poses, we propose a general two-stage reasonableness test that should help legal practitioners, judges and law-makers in considering when trade in data is illicit and who (if anyone) shall be held responsible for this mischief. Finally, we show how the two-stage test and the limited alienability rule can advance European contract law and help enforce legal principles of data extra commercium in automated and autonomous data trading systems.
Original languageEnglish
Title of host publicationData as Counter-Performance—Contract Law 2.0?
EditorsSebastian Lohsse, Reiner Schulze, Dirk Staudenmayer
PublisherNomos Publishers
EditionMünster Colloquia on EU Law and the Digital Economy
Publication statusPublished - 2020

Research Groups and Themes

  • Centre for Private and Commercial law
  • Centre for Global Law and Innovation

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