Theano Karanikioti


Theano practices in the area of EU competition law, with a focus on issues arising in the telecommunications, media and high-tech industries. She also advises clients on regulatory initiatives affecting digital markets. Before joining Geradin Partners, Theano worked in Greece as a GDPR Consultant, and in Cyprus as a trainee lawyer at the EU Law Department of the Law Office of the Republic of Cyprus.


  • O2 in relation to the EC’s investigation over network sharing agreements in the Czech Republic.
  • European Publishers Council over a variety of competition law and regulatory matters. 
  • News Corp on various competition law and regulatory matters.
  • Coalition for App Fairness (CAF) as outside antitrust counsel.
  • Several app developers in filing a complaint with the UK Competition and Markets Authority (CMA) over Apple’s App Store practices. The CMA has launched in response an investigation into Apple.
  • IAB France, MMA France, SRI and UDECAM in filing a complaint with the French Autorité de la concurrence over Apple’s introduction of the App Tracking Transparency framework. 
  • over regulatory initiatives affecting digital markets in the EU and the UK.
  • A large media group in filing a complaint with the European Commission against the state aid granted to a public service broadcaster. 


  • LL.M. (Hons), University of Cambridge, Wolfson College (Jennings Prize in Law) (2018)
  • LL.B. (Hons), Maastricht University (2016)


  • Limassol (2017)
  • Brussels (2019)


  • Damien Geradin, Dimitrios Katsifis & Theano Karanikioti, “Google as a de facto privacy regulator: analysing the Privacy Sandbox from an antitrust perspective” (2021), European Competition Journal, DOI: 10.1080/17441056.2021.1930450
  • Damien Geradin, Theano Karanikioti & Dimitrios Katsifis, “GDPR Myopia: how a well-intended regulation ended up favouring large online platforms – the case of ad tech” (2020), European Competition Journal, DOI: 10.1080/17441056.2020.1848059
  • Damien Geradin & Theano Karanikioti, “Network sharing and EU competition law in the 5G era: A case of policy mismatch” (2020), available on SSRN:


Greek, English, French

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