Law School of the National and Kapodistrian University of Athens

Associate Professor of Civil Law

Contact details

47 Akadimias str., 10672 Athens | Email: kkaragiannis[at]law.uoa[dot]gr | Tel: +302152159523



PhD in Civil Law – National and Kapodistrian University of Athens (2001, grade unanimous excellent), Postgraduate degree in Civil Law (1997, grade excellent), Law Degree (1993).


Since 2017 Ass. Professor of Law, since 2008, Lecturer of Law at the Law School of the Kapodistrian University of Athens, teaching “Banking law”, “Methodology of law and interpretation of contacts”, “Specific legal issues of tort liability” and “Energy law – contractual relationships in electricity and gas production, supply and trade”, in the Postgraduate Program of Athens Law School and “General principles of Law”, “Contracts and Torts”, “Advanced Topics of Civil Law” and “Intellectual Property Law” to the Law School Undergraduates.

Professional Career and Experience:

Konstantin Karagiannis has been practicing law as an attorney since 1995, has been senior associate in a major Athens law firm from 2002 – 2008, was co-founder and partner of a medium sized law firmfrom 2008 - 2017. Since 2017 he is the founder and managing partner of KC Law Firm, a highly specialized law firm providing services in civil and commercial law, energy law, banking transactions and international and domestic arbitrations (ICC, LCIA, GCPC) and litigations.


Konstantin Karagiannis is the author of three books, co-author of one book, contributor of two commentaries (collective works) on civil law and has published 17 articles.  


  • The problem of simulation (sham contracts) in Private Law, Ant. N. Sakkoulas Publishers, Athens 2002, p. 703 (Dissertation, Civil Law).
  • Claim for damages in case of illegal use of a person’s image, Ant. N. Sakkoulas Publishers, Athens 2007, p. 166 (Dissertation, Civil Law).
  • Law of Banking Transactions, P. Sakkoulas, 2019, p. 537, together with Prof. G. D. Kallimopoulos and Ass. Prof. Z. Tsolakidis.


  • Civil Law issues in the application of the legislation for the rescue of credit institutions, Chrimatopistotiko Dikaio – Financial Law 2015, p. 351.
  • Tort Liability of credit institutions allowing the use of cheque by non-credible persons, Civil Law Review 2014, p. 443
  • Data protection and credit scoring by financial institutions, Chrimatopistotiko Dikaio – Financial Law 2010, p. 311
  • Comment on First Instance Court of Athens D. no 961/2007, protection of Consumers of financial services, Chrimatopistotiko Dikaio – Financial Law 2008, p. 123 seq. The arguments in this comment were fully accepted by the Supreme Court (Areios Pagos) in its landmark decision 652/2010.
  • Set-off of a bank’s debt arising from a deposit contract with a depositor’s debt arising from a credit contract upon securitization of a bank’s claim, Chrimatopistotiko Dikaio – Financial Law 2008, p. 311 seq.
  • Law evasion as a problem of methodology of law, in Hellenic Newspaper for Jurists – Efimeris Ellinon Nomikon (legal magazine) 1997, p. 205-239, (Dissertation, Methodology of Law, Civil Law).
  • Lifting of the “all or nothing principle” in the restitution of damages, in cases of alternative legal behavior, Honorary Volume for Professor Stathopoulos, 2010.


  • Supreme Court admitted lawyer - member of the Athens Bar since 1995.
  • Member of the Greek Society of Civil Law Experts since 2001; Speaker in the Conferences of 2010 and 2015.
  • Member of the Greek Society of Banking and Capital Markets Law since it was founded in 2006.
  • Arbitrator in the list of Arbitrators of the Institution of Arbitration of the Regulatory Authority of Energy and in the list of Arbitrators of the Institution for Arbitration of the German-Greek Chamber of Commerce.