Due process

Medina Osório and interview on the trial of the anti-democratic acts

O Antagonista · video

22 Aug 2025

Administrative sanctioning law and the fundamental right to understand decisions

II Brazilian Congress on Administrative Sanctioning Law (II CBDAS) · Lecture

26 Jun 2025

The reasonable length of proceedings and time as an invisible judge: Reflections from original criminal action 623/DF

Migalhas

12 Jun 2025

The criminalization of free thought

Portal Claudio Dantas

25 Apr 2025

Constitutional principles of disciplinary law in Brazil and their equivalents in the American Convention on Human Rights

journal article · Journal of Administrative Law (FGV)

24 Apr 2025

The right to retirement of judges and members of the Public Prosecution Service and the punitive power of the State

reflection

15 Nov 2024

Grande Stevens case (ECtHR) and its impact on Brazilian justice

II International Congress on Disciplinary Law · Lecture

Oct 2024

The Due Process of Law and Its Influence on Brazilian Law: A Comparative Analysis Based on American Substantive Due Process

The Legal 500

23 Sep 2024

Tax administrative proceedings and fundamental guarantees

GT12 – Administrative Litigation, of the Tax Studies Center (NEF) at FGV Law School SP · Lecture

20 Aug 2024

Reform of the Improbity Law and the prohibition of regression

IV Brasília Congress on Administrative Law · Panel discussion

Aug 2024

Medina Osório addresses legal certainty in TheLegal500

The Legal 500

10 Feb 2024

OAB brings action before the STF to defend and reaffirm the prerogatives of the legal profession against a ban on communication between lawyers

statement

2024

Constitutional principles of disciplinary law in Brazil

II International Congress on Disciplinary Law · Lecture

24 Nov 2023

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

Medina Osório analyzes the legal situation of former minister Anderson Torres

O Antagonista · video

29 Mar 2023

Property Rights, Legal Certainty, and Investments

3rd Brazilian Agribusiness Law Congress (CBDA 2023) · Moderation

16 Mar 2023

Speed of information, public opinion and judicial decisions in the dromosphere

Digital seminar "Democracy, dromocracy and PowerPoint law" · Panel discussion

27 Jan 2023

STF and STJ contradict the understanding of the “Lula Case” on nullity for absolute lack of jurisdiction

Migalhas

Jan 2023

Should Jair Bolsonaro be held criminally liable<br>for the coup attacks? NO

Folha de S.Paulo

Jan 2023

Medina Osório debates the arrest of former minister Anderson Torres

O Antagonista · video

Jan 2023

"There is a contradiction in Moraes's decision," says former Attorney General Fabio Medina Osório

O Antagonista · video

Jan 2023

Fábio Medina Osório points out contradiction in Moraes's decision

O Antagonista · video

22 Nov 2022

Administrative sanctioning law and the paradigms of the new Improbity Law

1st Bahia Seminar on Administrative Improbity · Lecture

10 Aug 2022

STF is expected to resume judgment on retroactivity in the new Administrative Improbity Law.

reflection

11 Jul 2022

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

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

29 Jun 2022

The constitutional principles of Administrative Sanctioning Law and acts of Administrative Improbity

Seminar Amendments to the Administrative Improbity Law and Constitutional Rights · Panel discussion

23 Jun 2022

Administrative sanctioning law, the CVM and retroactivity of the more favorable norm

Debate “Capital Markets and Sanctioning Proceedings at the CVM: Perspectives and Challenges” · Lecture

23 Jun 2022

Capital Markets and sanctioning proceedings at the CVM: perspectives and challenges

Debate “Capital Markets and Sanctioning Proceedings at the CVM: Perspectives and Challenges” · Panel discussion

23 Jun 2022

Administrative sanctioning law and retroactivity of the more favorable norm at the CVM

Lecture-debate “Capital Markets and Sanctioning Proceedings at the CVM: Perspectives and Challenges” · Panel discussion

2 Jun 2022

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

28 Apr 2022

Conviction of Daniel Silveira by the STF and the presidential pardon

Pampa Debates (TV Pampa), 28 April 2022 program · Panel discussion

Feb 2022

The new Administrative Improbity Law

Migalhas Jurídicas Top Lawyers

28 Jan 2022

Open typicality and guarantees in the LGPD sanctioning proceeding

Legal Innovation – Data Protection Day · Panel discussion

24 Jan 2022

Brazilian justice under global assessment

reflection

11 Nov 2021

Administrative Sanctions under the LGPD

4th Round of Discussions on Digital Compliance and the General Data Protection Law · Lecture

5 Nov 2021

Limitation under the new Administrative Improbity Law: retroactive effects

Conjur

Nov 2021

Retroactivity of the new administrative improbity law

Migalhas

24 Jun 2021

Administrative sanctioning law in the area of public security

Technical Meeting – Public Security: Challenge in the 21st Century · Lecture

17 Jun 2021

Participation in a webinar on litigiousness in Brazilian courts, causes and consequences

Webinar Papo com Juristas — Litigiousness in Brazilian Courts: Causes and Consequences · Panel discussion

Apr 2021

The abuses of Car Wash

Correio Braziliense

18 Mar 2021

Seminar

International Seminar on Administrative Law in Honor of Professor Tomás Ramón Fernández

IIEDE ·

Feb 2021

Liability of public attorneys

Migalhas

2 Feb 2021

Liability of public lawyers for intent and gross error

III Administrative Law Congress of Rio Grande do Norte: Administrative Law in Panic · Panel discussion

17 Dec 2020

Guiding principles of arbitration and legal certainty

Seminar Arbitration and Legal Certainty (webinar) · Panel discussion

17 Dec 2020

Arbitration and the Judiciary

Seminar on Arbitration and Legal Certainty · Lecture

26 Nov 2020

Due process and administrative sanctioning law

International Seminar on Administrative Sanctioning Law in Comparative Perspective (Panel I) · Panel discussion

26 Nov 2020

Seminar

International Seminar on Administrative Sanctioning Law in Comparative Perspective

IIEDE ·

23 Oct 2020

International Digital Seminar on Administrative Law in Honor of Full Professor Juan Carlos Cassagne (full recording, 8h15)

International Digital Seminar on Administrative Law in Honor of Professor Juan Carlos Cassagne: Law in the Face of the Pandemic, Limits and Responsibilities of the State · Moderation

14 Sep 2020

Administrative Sanctioning Law and fundamental guarantees (European influence)

MOA institutional video response (reply to "Tiago") · video

Sep 2020

The STF and due process

Correio Braziliense

5 Aug 2020

Webinar National Council of the Public Prosecution Service and Sanctioning Administrative Proceedings

Webinar National Council of the Public Prosecution Service and Sanctioning Administrative Proceedings · Moderation

5 Aug 2020

Webinar National Council of the Public Prosecution Service and Sanctioning Administrative Proceedings

Webinar “National Council of the Public Prosecution Service and Sanctioning Administrative Proceedings” · Moderation

4 May 2020

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

10 Apr 2020

Aspects of the administration’s sanctioning action in times of crisis

Seminar series Market and Development (webinar) · Lecture

Nov 2019

Does Abuse of Authority cause concern?

Zero Hora

Sep 2019

Fábio Medina Osório analyzed the Abuse of Authority Law in an interview with “O Popular”, of Goiânia (GO)

O Popular (Goiânia) · text

Aug 2019

Fábio Medina Osório was interviewed by Correio Braziliense and issued a warning about the use of unlawful evidence by the Judiciary

Correio Braziliense · text

Jul 2019

Unlawful evidence cannot underpin investigations or proceedings

Correio Braziliense

Jun 2019

Fábio Medina Osório, for “O Globo”: Public Prosecution Service and criminal procedure

O Globo

Jun 2019

O Tempo: Former Attorney General says Moro's bias or Lula's acquittal is ‘impossible’

O Tempo · text

Jun 2019

Fábio Medina Osório, for “O Antagonista”: “The Federal Supreme Court may produce a legal monstrosity”

O Antagonista · text

Apr 2019

Fábio Medina Osório, to “O Antagonista”: “Unacceptable for a magistrate or member of the Public Prosecution Service to display a businessman's life”

O Antagonista

Feb 2019

A Mixture of Scandals

Folha de S.Paulo

Dec 2018

Presumption of innocence is questionable

Correio Braziliense

Jun 2018

The STF and the acquittal of Gleisi Hoffmann

Folha de S.Paulo

15 Jun 2018

Political corruption

XXIII Gramado International Law Conference · Lecture

15 Jun 2018

Political corruption

XXIII International Law Conference · Lecture

Mar 2018

Fábio Medina Osório analyzed the problem of collective search and seizure warrants in an interview with Rádio Justiça

Rádio Justiça · audio

Feb 2018

A collective warrant is necessary

O Globo

Feb 2018

“Applying in dubio pro societate in criminal actions is a step backward,” says Fábio Medina Osório

Jornal do Comércio (Porto Alegre) · text

May 2017

Is the first instance really better?

Folha de S.Paulo

17 Apr 2017

Plea bargains may cover up the shady interests of informants

reflection

2017

On the (in)applicability of special forum by reason of office in administrative improbity actions

journal article · JusVi

May 2016

Seriousness of impeachable offenses justifies Dilma's impeachment

Conjur

Apr 2016

There is sufficient evidence of impeachable offenses by Dilma

Migalhas

7 Apr 2016

Portal Jota: Promising government posts to avoid impeachment may constitute a crime, says Fabio Medina Osório

JOTA · text

28 Jan 2016

Lawyers and Car Wash

O Globo

16 Dec 2015

To Rádio Sputnik, Medina Osório commented on the impeachment procedure on 16/12

Rádio Sputnik · audio

20 Oct 2015

Fábio Medina Osório recorded a testimonial for the program “A Voz do Cidadão”, on 20/10

program 'A Voz do Cidadão' · video

Jul 2015

Fábio Medina Osório interviewed by Rádio Justiça on 09 07 2015

Rádio Justiça · video

12 Aug 2014

Admission of the improbity action: evidence, just cause and abuse of power

Seminar "Administrative Improbity: Controversial Aspects" · Lecture

Apr 2014

The Importance of Punitive Due Process

Tribuna do Advogado (OAB-RJ)

Oct 2013

The New Access to Justice

Zero Hora (Outra Opinião column, inferred from the series pattern)

2 Oct 2013

Regulation and Legal Certainty: incoherence and other administrative pathologies

II International Congress on State Law · Lecture

Sep 2013

Regulatory Totalitarianism, the Example of Anvisa

Zero Hora (Outra Opinião column, inferred from the series pattern)

2 Aug 2013

Guarantees of those administered at CADE and limits of delegalization in sanctioning law

Seminar Regulatory Due Process at CADE – The New Competition Law in Debate · Panel discussion

2 Aug 2013

Punitive due process and the rights of those administered at Cade

Seminar Regulatory Due Process at CADE – The New Competition Law in Debate · Lecture

2 Aug 2013

Seminar

Regulatory Due Process at CADE – The New Competition Defense Law Under Debate

IIEDE · Rio de Janeiro (RJ)

Jun 2013

Lawsuits and moral damages

Zero Hora (Outra Opinião column, inferred from the series pattern)

May 2013

Transgressions and infractions

Zero Hora (Outra Opinião column, inferred from the series pattern)

2013

The trivialization of the improbity action and the manager’s right to err

Reflection on the Administrative Improbity Law · Lecture

Dec 2012

There are crimes that do not warrant pretrial detention

Zero Hora (Outra Opinião column, inferred from the series pattern)

Nov 2012

Chair of the first panel on infractions and sanctions in regulated public services

III Seminar on Offenses and Sanctions in Regulated Public Services · Moderation

May 2012

Concept and Typology of Acts of Improbity

Course on Administrative Improbity and Public Agents · Lecture

2012

The Principle of Culpability and Administrative Improbity under Law 8,429/92

book chapter · Studies on Administrative Improbity

25 Mar 2011

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

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

The legal regime of administrative improbity

Saber Direito, TV Justiça — course Administrative Improbity, class 2 · Class (Saber Direito)

Mar 2011

Questions from internet users on the Administrative Improbity Law

Saber Direito Answers, TV Justiça — Administrative Improbity · Q&A (Saber Direito Responde)

2006

Fundamental Rights – Studies in honor of Professor Ricardo Lobo Torres

book chapter · Fundamental Rights – Studies in Honor of Professor Ricardo Lobo Torres

2005

Procedural Obstacles to Combating Administrative Improbity

book chapter · Reverse Side of Law Collection

2000

Fábio Medina Osório: “The constitutional principle of the statement of reasons for administrative acts: an examination of its practical applicability to cases of merit-based promotion and transfer of members of the Public Prosecution Service and the judiciary within their respective careers.”

journal article · Revista dos Tribunais

1999

The principle of constitutional proportionality

journal article · Quarterly Journal of Public Law

1999

Observations regarding the constitutional principle of culpability in administrative sanctioning law

journal article · Journal of the Public Prosecution Service of the State of Bahia

1999

Observations regarding the constitutional principle of culpability in administrative sanctioning law

book chapter · Public Law in Times of Crisis

1997

Proceeding to remove an elected mandate and the provisional removal of a mayor from office by decision of the City Council

journal article · Quarterly Journal of Public Law

1995