Lectures:
Ovvadias regularly lectures at national and international conferences. His most recent lectures include:
“The Criminal Dimension of internal investigations and whistleblowing, Strategic use of internal investigations by legal entities”, Educational Seminar conducted on December 16-18th, 2024 in cooperation with Nomiki Vivliothiki.
“Defence in the Extradition procedure, in the European Arrest Warrant and in the European Investigation Order”, lecture in the framework of the 6th meeting of Training Penal Law Seminars, March 30th, 2021, (organized by the Hellenic Criminal Bar Association).
“The enhanced role of the Prosecutor and the upgraded preliminary examination under the new Code of Criminal Procedure”, Ancient Olympia, 27-28.09.2019, (conference organized by the Athens Bar Association).
“The rule of specialty in evidence exchange law through judicial assistance”, Athens, 15-16.03.2019, (8th conference organized by the Hellenic Criminal Bar Association).
“Τhe pathogenesis of tax criminal law in the example of tax deductive identification and the indirect determination of taxable item”, Lecture in the conference “Topical Issues of Tax Law”, organized by the Union of Greek Legal e-themis, on 16 and 17 December 2016 in Athens.
“Bribery and money laundering. Legal issues in the coherence between the two crimes”, lecture in the 6th conference of the Hellenic Criminal Bar Association with the subject “The penal treatment of bribery: Possibilities and limits”, Athens, 31.05 – 01.06.2013.
Comments on the draft law of the Ministry of Justice “for a fair trial and the encounter of the denial of justice”, lecture in the framework of a conference organized by the Hellenic Criminal Bar Association in the Athens Bar Association in 11.01.2012. Issues developed: (i) personal appearance before the Judicial Councils, (ii) One-member Penal Court of Appeal, and (iii) Deferrals provided in article 349 of the Code of Penal Procedure”.
“Aspects of the expansionary effect of the criminal legal remedies”, lecture in the conference organized by the Hellenic Association of Legal Procedure Specialists, Athens Bar Association, 01.12.2009.
“The role and the responsibility of the financial credit system, Money laundering”, 4th Conference organized by the Hellenic Criminal Bar Association in Thessaloniki on “Money laundering- “Clean” or free society?”, 03-05.11.2006.
“Main interrogation- Invalidity and their projections”, lecture provided to the Bar Association of Chalkida, 08.06.2005.
Lectures organized by the Athens Bar Association addressed to young lawyers on the following issues: Cybercrime, years 2002, 2003, 2004, Provisional Detention year 2003, Crimes related to property (fraud, embezzlement) year 2004.
“Provisional (interim) detention – practical application issues”. Conference organized by the Hellenic Criminal Bar Association, in Heraklion, on “Provisional (interim) detention in the Code of Criminal Procedure”, Crete, 05-06.11.2004.
“Contemporary forms of fraud on banking transactions”, Conference organized by the National Bank of Greece, 2003.
Publications
Overview of the Greek legal framework in relation to bribery and corruption, (Bribery and Corruption), with Vasileios Petropoulos and Ilias Spyropoulos, contribution in the annual renewed edition, with the aim of updating and enriching developments in current legislation, 9th ed., (2022, pages 89-98), 10th ed., (2023, pages 115-124), 11th ed., (2024, pages 134-143) and 12th ed., (2025, pages 71-79), Global Legal Insights (GLI), Global Legal Group.
Conduct of Internal Investigations in Greece (with Vasileios Petropoulos and Ilias Spyropoulos), Chambers and Partners, 2023 and 2024.
General introduction to Anti-money Laundering in Greece, focusing on practical implications and commercial impacts (with Vasileios Petropoulos, Ilias Spyropoulos and Emmanouil Apostolakis), Lexology 2024, https://www.lexology.com/library/detail.aspx?g=58e5992a-26d3-4350-9a0f-8fc61bd64ac5.
“Greece: Overview of the areas of compliance and internal investigations, Legal framework”, contribution to the European Investigations Guide, published by Hogan Lovells annually, aiming to provide the expertise input in the Greek jurisdiction, (ed. 2018, p.100-106, ed. 2021, p. 117-124, ed.2022 p. 123-130 and ed. 2024, p. 140-148, (with Vasileios Petropoulos).
Internal corporate investigations in Greece, article published in the Financier Worldwide Magazine, September 2023 (with Anastasios Andrianesis of Hogan Lovells International and Vasileios Petropoulos).
“Key developments related to anti-corruption legislation and investigations in Greece”, Publication in Anti-Corruption from 2020-2023, contribution in the annual renewed edition, with the aim of updating and enriching developments in current legislation, Global interview panel led by Miller & Chevallier Chartered, Lexology – Getting the Deal Through, (with Vasileios Petropoulos and Ilias Spyropoulos).
The ever-increasing application of internal investigations in businesses and their contribution to the quality and speed of the administration of criminal justice in Greece, published in Nova Criminalia, issue 17, pages 6-8, February 2023.
Anti-corruption, Greece: Trends and Developments (with Vasileios Petropoulos and Ilias Spyropoulos), Chambers: Global Practice Guides, 2022, 2021, 2020 and 2019.
Article published in “The Washington Times”, on July 7th, 2021. The article was included in a Business and Investment Report for The Washington Times, a special edition aiming to celebrate the historical milestone of the bicentennial since the Greek Revolution of 1821.
“The rule of specialty in evidence exchange law through judicial assistance”, published in the book in honor of Professor Ioannis Giannidis, (2020).
“When excessive prosecutions may cause, in some cases, the adoption of excessive legislation, opinion in response of the example of the complaint submitted by the victim for fraud in the banking sector”, published in Nova Criminalia, issue 11, pages 4-5, November 2020.
Overview of the Greek legal framework in relation to bribery and corruption, Bribery and Corruption, Global Legal Insights (GLI), 6th ed, pages 85-91, (year 2019), 7th ed, pages 92-101, (year 2020), 8th edition (year 2021), Greece, (with Vasileios Petropoulos), Global Legal Group.
“Τhe pathogenesis of tax criminal law in the example of tax deductive identification and the indirect determination of taxable item”, Penal Chronicles, 2017, page 236, (the text is an enriched version of the lecture in the conference “Topical Issues of Tax Law”, organized by the Union of Greek Legal e-themis on 16th and 17th December 2016 in Athens).
“Bribery and money laundering. Legal issues in the coherence between the two crimes”, (the text is an enriched version of the lecture in the 6th conference of the Hellenic Criminal Bar Association with the subject “The penal treatment of bribery: Possibilities and limits”, Athens, 31.05 – 01.06.2013), Published by the Hellenic Criminal Bar Association, editor Nomiki Vivliothiki 2013, pages 271-289.
Comments on the draft law of the Ministry of Justice on the “fair trial and the treatment of cases of denial”, Penal Chronicles, 2012, page 148.
“Stock exchange offences”, published in “Financial Crimes II, Special Crimes”, pages 207-236, under the supervision of Nestoras Kourakis, published by Antonis Sakkoulas 2007.
“Stock exchange and money laundering”, published in “Financial Crimes II, Special Crimes”, pages 208-273, under the supervision of Nestoras Kourakis, published by Antonis Sakkoulas 2007.
“The role and the responsibility of the financial credit system, Money laundering”, published by the Hellenic Criminal Bar Association under the title “Money Laundering, “Clean” or Free Society?”, pages 379-408, editor Antonis Sakkoulas 2007.
“Provisional (interim) detention in the Code of Criminal Procedure”, The lectures of the conference organized by the Criminal Bar Association, in Heraklion, Crete, 05-06.11.2004 were subsequently published by the Criminal Bar Association.
“Contemporary forms of (electronic) fraud on banking transactions”, Penal Chronicles, 2003, pages 487-494.
“Unexpected reaction of an issue related to legal deceive and ambiguity of the writ of summons on a case of “pink” lines. Thoughts in relation to the decision of the Supreme Court of Appeals number 1055/1998″, Penal Chronicles, 1998, pages 839-843.
“Provisional detention on real (actual) concourse of crimes under the new legal frame of Law 2408/1996”, Penal Chronicles 1996, pages 1194-1204.
“Enlargement of the exceptions of the principle of legality when penal prosecution is exercised intending to the decongestion of penal justice”, Penal Chronicles 1995, pages 1083-1102.
“Is the abettor responsible for intentional homicide in the case of arson?”, Penal Chronicles 1995, pages 251-256.
“Russian Roulette: conscious negligence or eventual fraud?”, Penal Chronicles 1994, pages 1195-1199.
Comments on the decision of the Supreme Court of Appeals No 1613/1993, published on Penal Chronicles 1994, pages 45-49.
“Die Zurechnung von Folgeschäden im Strafrecht”, (“Inconviction of the subsequent results (repercussion) in Penal Law)”, PhD Thesis, University of Bonn, Germany, published 1992.