English version. Original in Portuguese
Administrative improbity
Law 8,429/1992, the 2021 reform and the nature of improbity sanctions.
12 Mar 2026
Lecture
Negligence-based liability in improbity: abolition by Law 14,230/2021 and unconstitutionality before the Federal Supreme Court
Lecture on Administrative Improbity · Lecture
25 Sep 2025
27 Aug 2025
Lecture
25 years of administrative sanctioning law: announcement of the inaugural lecture
Seminar The Contemporary Landscape of Administrative Improbity · Opening
27 Aug 2025
Lecture
Administrative sanctioning law, improbity, and the right to understanding in the age of AI
Seminar "The contemporary scenario of administrative improbity", inaugurating the work of the Administrative Sanctioning Law Commission of the OAB/RJ · Lecture
Mar 2025
Oct 2024
20 Aug 2024
Lecture
Reform of the Improbity Law and the prohibition of regression
IV Brasília Congress on Administrative Law · Panel discussion
24 Nov 2023
Lecture
Limitation periods in administrative improbity actions: the main changes brought by Law 14,230/2021
Brazilian Congress on the Administrative Improbity Law · Lecture
Apr 2023
Interview
Fábio Medina Osório addresses the Saudi jewelry case on "O Antagonista"
O Antagonista · video
Apr 2023
Press article
Case may constitute improbity and embezzlement
O Estado de S. Paulo (Estadão)
22 Nov 2022
Lecture
Administrative sanctioning law and the paradigms of the new Improbity Law
1st Bahia Seminar on Administrative Improbity · Lecture
10 Aug 2022
20 Jul 2022
Interview
Fábio Medina Osório in an exclusive interview with Correio Braziliense
Correio Braziliense · text
11 Jul 2022
Lecture
Reflections on Law 8,429/1992 and the constitutional principles of administrative sanctioning law
I Seminar on the Amendments to the Administrative Improbity Law · Lecture
5 Jul 2022
Lecture
Challenges of administrative improbity and Administrative Sanctioning Law
Inaugural lecture of the course on the reform of the Administrative Improbity Law, of the Municipal Attorney General’s Office of Rio de Janeiro · Lecture
5 Jul 2022
Lecture
Challenges of administrative improbity and Administrative Sanctioning Law
Course 'Reform of the Administrative Improbity Law' — Inaugural Lecture · Lecture
29 Jun 2022
Lecture
The constitutional principles of Administrative Sanctioning Law and acts of Administrative Improbity
Seminar Amendments to the Administrative Improbity Law and Constitutional Rights · Panel discussion
29 Jun 2022
2 Jun 2022
Lecture
Retroactivity of Law 14,230/2021 and the sanctioning nature of improbity
Reflections on the 30 years of the Administrative Improbity Law (digital seminar) · Lecture
18 Feb 2022
Feb 2022
Press article
The new Administrative Improbity Law
Migalhas Jurídicas Top Lawyers
2022
Book
Theory of Administrative Improbity: public mismanagement, corruption, inefficiency
6th edition · Thomson Reuters / Revista dos Tribunais
2 Dec 2021
Lecture
Reflections on the new Administrative Improbity Law
Digital lecture "Reflections on the new Administrative Improbity Law" (Center for Studies and Professional Development of the MP-RS) · Lecture
Dec 2021
Lecture
The reform of the Improbity Law: gross error, sanctioning law and agreements
Webconference Reflections on the New Administrative Improbity Law · Panel discussion
29 Nov 2021
Lecture
New Administrative Improbity Law
EMERJ Permanent Forum on Transparency and Administrative Probity livestream on the new Administrative Improbity Law · Lecture
11 Nov 2021
Lecture
Administrative Sanctions under the LGPD
4th Round of Discussions on Digital Compliance and the General Data Protection Law · Lecture
5 Nov 2021
Oct 2021
Jun 2021
Press article
Reform of the Improbity Law creates risk of setbacks
O Estado de S. Paulo (Estadão)
27 May 2021
16 Apr 2021
Lecture
Seminar Administrative Sanctioning Law: New Paradigms (full recording, 9h12)
Seminar Administrative Sanctioning Law: New Paradigms · Opening
16 Apr 2021
Lecture
A new concept of administrative sanction and the new paradigms of sanctioning law
Seminar Administrative Sanctioning Law: New Paradigms · Opening
19 Mar 2021
Lecture
Concept of Administrative Sanction in Brazilian Law
International Seminar on Administrative Law in Honor of Professor Tomás Ramón Fernández · Lecture
3 Mar 2021
Lecture
Bill to reform the Improbity Law: gross error, article 11, and statute of limitations
Estadão debates the new Improbity Law · Panel discussion
Mar 2021
2 Feb 2021
Lecture
Liability of public lawyers for intent and gross error
III Administrative Law Congress of Rio Grande do Norte: Administrative Law in Panic · Panel discussion
Dec 2020
Press article
Setback in combating improbity
O Estado de S. Paulo (Estadão)
14 Oct 2020
Lecture
Setbacks in the bill to reform the Improbity Law (PL 10,887/2018)
ANDES webinar on the new paradigms of the improbity law and possible legislative changes · Panel discussion
14 Sep 2020
Interview
Willful misconduct or gross error in the Administrative Improbity Law (Lindb)
MOA institutional video response (reply to "Tiago") · video
4 Sep 2020
Lecture
Concept of administrative sanction
AGU School Webinar, Administrative Sanctioning Law (1st panel: Challenges and Perspectives in Administrative Sanctioning Law) · Panel discussion
13 Aug 2020
Lecture
Legal nature of the civil non-prosecution agreement in improbity
7th Meeting of the Permanent Forum on Transparency and Administrative Probity of EMERJ (webinar Challenges of the Civil Non-Prosecution Agreement in Administrative Improbity) · Panel discussion
Jun 2020
Press article
Administrative and corporate improbity: new paradigms
Correio Braziliense
1 Jun 2020
Lecture
Improbity, gross error and MP 966 in the Covid-19 pandemic
Online broadcast of the São Paulo Lawyers’ Institute (IASP): Administrative Improbity, COVID-19 and the Conduct of the Public Manager · Panel discussion
Jun 2020
28 May 2020
Lecture
Public administration and Covid-19: gross error, MP 966, and transparency
Debate (web conference) “Public Administration and Covid-19: Unlawful Acts and Paradigms of Conduct,” of the CEAF of the Public Prosecution Service of Rio Grande do Sul · Panel discussion
4 May 2020
Lecture
Concept of administrative sanction and sanctioning legality in the pandemic
Seminar on Administrative Sanctioning Law in Times of Pandemic (first virtual seminar of the IDASAN/ESA-OAB-PR panel week) · Panel discussion
Apr 2020
10 Mar 2020
21 Nov 2019
Lecture
Administrative sanction, improbity and corruption in administrative sanctioning law
Symposium Controversial Topics in Administrative Sanctioning Law · Lecture
27 Sep 2019
Lecture
Improbity as a blank sanctioning norm: environmental and urban-planning improbity
4th Meeting of the Permanent Forum on Transparency and Administrative Probity · Panel discussion
16 Aug 2019
Lecture
Agreements in the Public Administration
LINDB and Public Administration Symposium (2nd Meeting of the Permanent Forum on Administrative Probity of EMERJ) · Panel discussion
Aug 2019
Press article
Halted works and administrative improbity
Folha de S.Paulo
Nov 2018
Sep 2018
Sep 2018
14 Aug 2018
Aug 2018
Aug 2018
Interview
Fábio Medina Osório interviewed on Rádio Gaúcha on 5/8
Rádio Gaúcha · video
Jul 2018
Press article
Legal opinion: administrative improbity
Journal of the TRF4
Jun 2018
Jun 2018
11 Jun 2018
Lecture
Combating improbity: case law, sanctioning nature and criticism of the reform of the law
Reflexões — TV Justiça program, edition 'Combating Improbity in Brazil' · Panel discussion
8 Jun 2018
Lecture
Current issues on alternative methods of dispute resolution in administrative improbity actions
Seminar Alternative Methods of Dispute Resolution in Administrative Improbity · Lecture
27 Feb 2018
Feb 2018
Press article
Administrative morality and Minister of State
Correio Braziliense
22 Nov 2017
Lecture
Legal nature of improbity and requirements for the accusatory action
Seminar 25 Years – Administrative Improbity Law · Lecture
8 Mar 2017
23 Feb 2017
Press article
Privileged forum in improbity actions
Folha de S.Paulo
2017
Apr 2016
Interview
CBN Diário 16 04
CBN Diário (Florianópolis) · video
Mar 2016
Interview
Portal iMirante: “Many companies will be dissolved or will face heavy fines,” says lawyer
Portal iMirante (São Luís/MA) · text
2016
Lecture
Improbity and anti-corruption: networked action, agreements and substantive just cause
Seminar of the São Paulo Association of the Public Prosecution Service (APMP) · Lecture
Dec 2015
Press article
Improbity, impeachment and the Supreme Court
Folha de S.Paulo
30 Nov 2015
23 Nov 2015
Interview
Medina Osório was interviewed by CBN BH on 23/11
CBN BH / Rádio Globo Minas · audio
13 Nov 2015
Interview
Fábio Medina Osório was interviewed by Rádio Justiça on 13/11
Rádio Justiça · audio
20 Oct 2015
Interview
Fábio Medina Osório recorded a testimonial for the program “A Voz do Cidadão”, on 20/10
program 'A Voz do Cidadão' · video
30 Jun 2015
Interview
Interview of Fábio Medina Osório on Rádio CBN Maceió 30 06 2015
CBN Maceió · audio
30 Jun 2015
Jun 2015
Interview
Interview of Fábio Medina Osório on Rádio CBN Maceió 30 06 2015
CBN Maceió · video
6 Jun 2015
Interview
Watch the interview given by Medina Osório to Gazeta do Povo (PR), published on 6/6
Gazeta do Povo (PR) · text
May 2015
Interview
Medina Osório, for “A Gazeta do Iguaçu”: “The noose is tightening on corrupt managers”
A Gazeta do Iguaçu · text
12 Aug 2014
Lecture
Admission of the improbity action: evidence, just cause and abuse of power
Seminar "Administrative Improbity: Controversial Aspects" · Lecture
21 Jul 2014
Interview
Stalled public works that grow ever more expensive
Correio Braziliense · text
25 Jun 2014
31 May 2014
2014
2014
Academic article
Concept of Administrative Improbity
conference paper ·
30 Dec 2013
Interview
Fábio Medina Osório discussed Corporate Improbity on CBN in João Pessoa
CBN João Pessoa · audio
21 Nov 2013
Interview
Interview of Fábio Medina Osório with CBN Recife
CBN Recife · audio
23 Sep 2013
Lecture
Theory of Administrative Improbity: the impact of poor public management on contemporary societies and the importance of the ethics of responsibility
Lecture Cycle Rio de Janeiro in Evidence · Lecture
6 Sep 2013
Lecture
Fighting corruption, slow courts, and strengthening institutions
Brasil em Debate (Rádio e TV Câmara program), 6 September 2013 edition · Panel discussion
May 2013
Press article
Transgressions and infractions
Zero Hora (Outra Opinião column, inferred from the series pattern)
Apr 2013
Press article
The Clean Record Law and the Role of Municipal Councils
Zero Hora (Outra Opinião column, inferred from the series pattern)
Mar 2013
Press article
Administrative Probity
Zero Hora (Outra Opinião column, inferred from the series pattern)
Mar 2013
Press article
Environmental Improbity
Zero Hora (Outra Opinião column, inferred from the series pattern)
2013
Lecture
The trivialization of the improbity action and the manager’s right to err
Reflection on the Administrative Improbity Law · Lecture
May 2012
Lecture
Concept and Typology of Acts of Improbity
Course on Administrative Improbity and Public Agents · Lecture
2012
Academic article
The Principle of Culpability and Administrative Improbity under Law 8,429/92
book chapter · Studies on Administrative Improbity
25 Mar 2011
Lecture
Administrative improbity — Compact version of the classes
Saber Direito, TV Justiça — course Administrative Improbity, compact version of the classes · Class, short version (Saber Direito)
25 Mar 2011
Lecture
Public civil action, sanctioning civil action for acts of administrative improbity
Saber Direito, TV Justiça — course Administrative Improbity, class 5 · Class (Saber Direito)
22 Mar 2011
Lecture
The legal regime of administrative improbity
Saber Direito, TV Justiça — course Administrative Improbity, class 2 · Class (Saber Direito)
Mar 2011
Lecture
Trajectory: from the exchange program in the USA to the Public Prosecution Service and private practice
Saber Direito Debate, TV Justiça — Administrative Improbity · Debate (Saber Direito Debate)
Mar 2011
Lecture
Concept of improbity
Saber Direito, TV Justiça — course Administrative Improbity, class 1 · Class (Saber Direito)
Mar 2011
Lecture
Theory of punishment in the scope of administrative improbity
Saber Direito, TV Justiça — course Administrative Improbity, class 4 · Class (Saber Direito)
Mar 2011
Lecture
Theory of typicality in the protection of administrative probity
Saber Direito, TV Justiça — course Administrative Improbity, class 3 · Class (Saber Direito)
Mar 2011
Lecture
Questions from internet users on the Administrative Improbity Law
Saber Direito Answers, TV Justiça — Administrative Improbity · Q&A (Saber Direito Responde)
23 Jan 2011
Interview
Interview: Fábio Medina Osório, specialist in Administrative Law
Consultor Jurídico (Conjur) · text
2008
Academic article
Fábio Medina Osório published, in 2008, the article “Improbity of Overseers”
journal article · IOB Journal of Administrative Law
2005
Academic article
Procedural Obstacles to Combating Administrative Improbity
book chapter · Reverse Side of Law Collection
2003
Academic article
The duty of administrative probity and the protection of the environment
book chapter · Environmental Law from the Perspective of the Judiciary and the Public Prosecution Service
2003
Academic article
The failure of the duty of administrative probity: a legal reflection within the framework of the General Code of Conduct of Brazilian public agents
thesis · Complutense University of Madrid (Law School, Department of Administrative Law)
2002
Academic article
A reflection on negligent improbity
journal article · Journal of the Public Prosecution Service of Rio Grande do Sul: New Phase
2000
Academic article
The use of the administrative machinery and the private purposes of public agents
journal article · Journal of the Public Prosecution Service of Rio Grande do Sul
2000
Academic article
Administrative sanctioning law and criminal law: what are the limits of the State's ius puniendi in repressing acts of administrative improbity?
journal article · Ibero-American Journal of Criminal Sciences
1999
Academic article
Corruption and mismanagement of the “res publica”: the problem of administrative improbity and its treatment in Brazilian administrative sanctioning law
journal article · Journal of Public Administration
1999
Academic article
The principle of constitutional proportionality
journal article · Quarterly Journal of Public Law
1999
Academic article
The sanctions of Federal Law No. 8,429 of 1992 for acts of administrative improbity
journal article · Revista do Foro
1998
Book
Administrative Improbity: Observations on Law 8,429/92
2nd edition · Síntese (Editora Síntese Ltda.)
1998
Academic article
The Principle of Administrative Morality and the Duty of Probity of Public Agents and Private Parties
dissertation · Federal University of Rio Grande do Sul (UFRGS), Master's in Public Law
1997
Lecture
Concept of administrative improbity: legality, morality and the subjective element
Seminar on Administrative Improbity · Lecture
1997
Academic article
Observations on the improbity of public agents in light of Federal Law No. 8,429 of 1992
journal article · Revista dos Tribunais
1997
Academic article
Observations on the subjects of the act of administrative improbity under Law 8.429/92
journal article · Revista dos Tribunais
1997
Academic article
Administrative improbity arising from illegal and immoral public spending: practical aspects of Federal Law No. 8.429 of 1992
journal article · Journal of the Association of Judges of Rio Grande do Sul (AJURIS)
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