Dr. Mauricio Flank Ejchel
- International Child Abduction Hague Convention 1980
- Child Custody & International Relocation
- High-Net-Worth Divorce
- Marital Agreements
- Cross-Border Asset Disputes
Dr. Mauricio Ejchel is an international family lawyer based in São Paulo, Brazil, with over three decades of specialized practice. He holds a Law Degree from the Pontifical Catholic University of São Paulo (PUC-SP) and a postgraduate specialization in International Relations. Admitted to the Brazilian Bar Association in 1995, he founded MF Ejchel International Family Law in 1996, establishing the firm as a recognized reference for cross-border family litigation in Latin America.
His practice focuses on high-stakes international divorce, complex asset division, child custody, and relocation. He is widely recognized for his expertise in 1980 Hague Convention child abduction proceedings, having represented clients in some of the most significant and sensitive cross-border disputes litigated within the Brazilian jurisdiction. His role as a legal expert extends to the public sphere, where he frequently provides legal analysis for major television networks and international publications on the development of private international law.
A career defined by technical precision and international authority, his work encompasses litigation before Brazilian courts and regular participation as an expert on Brazilian law in foreign proceedings. His practice integrates strategic counseling and international mediation, offering a sophisticated operational bridge between different legal systems.
His standing has also been reflected in Chambers Global Practice Guides. He contributed to the Child Relocation 2025–2026 Brazil guide, and his work has been associated with international recognition in the field of family law. This acknowledgement by one of the world’s leading legal directories reinforces his position as a trusted reference in cross-border family matters involving Brazil.
He is the author of Manual on Child Abduction: Under the 1980 Hague Convention on the Civil Aspects of International Child Abduction (ISBN 978-65-01-99410-9). This open-access work serves as a structured professional reference for practitioners, members of the judiciary, institutions, and researchers dealing with the complexities of international child abduction.
Dr. Mauricio Flank Ejchel
- International Child Abduction Hague Convention 1980
- Child Custody and International Relocation
- High-Net-Worth Divorce
- Marital Agreements
- Cross-Border Asset Disputes
Dr. Mauricio Ejchel is an international family lawyer based in São Paulo, Brazil, with over three decades of specialized practice. He holds a Law Degree from the Pontifical Catholic University of São Paulo (PUC-SP) and a postgraduate specialization in International Relations. Admitted to the Brazilian Bar Association in 1995, he founded MF Ejchel International Family Law in 1996, establishing the firm as a recognized reference for cross-border family litigation in Latin America.
His practice focuses on high-stakes international divorce, complex asset division, child custody, and relocation. He is widely recognized for his expertise in 1980 Hague Convention child abduction proceedings, having represented clients in some of the most significant and sensitive cross-border disputes litigated within the Brazilian jurisdiction. His role as a legal expert extends to the public sphere, where he frequently provides legal analysis for major television networks and international publications on the development of private international law.
A career defined by technical precision and international authority, his work encompasses litigation before Brazilian courts and regular participation as an expert on Brazilian law in foreign proceedings. His practice integrates strategic counseling and international mediation, offering a sophisticated operational bridge between different legal systems.
His standing has also been reflected in Chambers Global Practice Guides. He contributed to the Child Relocation 2025–2026 Brazil guide, and his work has been associated with international recognition in the field of family law. This acknowledgement by one of the world’s leading legal directories reinforces his position as a trusted reference in cross-border family matters involving Brazil.
He is the author of Manual on Child Abduction: Under the 1980 Hague Convention on the Civil Aspects of International Child Abduction (ISBN 978-65-01-99410-9). This open-access work serves as a structured professional reference for practitioners, members of the judiciary, institutions, and researchers dealing with the complexities of international child abduction.
Sports Gazette — Jean Case
Globo TV - Nicolas Maduro
CNN Brasil — International Affairs
Record TV — Hague Child Abduction
Podcast On Air — Global Law
Balanço Geral — International Case
Record News — International Law
International Treaties — Legal Commentary
Sunday Special — Argentina (2)
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Knowledge Center
Legal Articles · 1980 Hague Convention of Child Abduction
Journal Article
My Child Has Been Abducted to Brazil: Overview of the 1980 Hague Convention
Abstract: Introductory overview of wrongful removal and retention, habitual residence, return proceedings, and the role of Central Authorities in Brazil under the 1980 Convention.
Ref: ME-IFL-HC-OVERVIEW
Journal Article
Core Hague Conventions and Related Instruments
Abstract: Systematic mapping of the Hague treaty network and its intersections with return proceedings, judicial cooperation, and cross-border family protection.
Ref: ME-IFL-HC-CORE
Journal Article
HCCH Guide to Good Practice Part VI: Article 13(1)(b)
Abstract: Doctrinal analysis of Part VI, focusing on grave risk, domestic violence contexts, undertakings, protective measures, and decision-making structure.
Ref: ME-IFL-HC-GGP6
Journal Article
Impact of Domestic Violence on Article 13 of the 1980 Hague Convention
Abstract: Analytical overview of domestic violence allegations under Article 13(1)(b), evidentiary thresholds, protective measures, and Brazilian judicial practice.
Ref: ME-IFL-HC-DV13
Journal Article
Precautionary Injunctions in International Child Abduction Cases in Brazil
Abstract: Urgent relief in Hague proceedings, including travel restraints, passport retention, interim custody, and coordination with Central Authority measures.
Ref: ME-IFL-HC-INJ
Journal Article
Brazil’s New Era in Child Abduction Cases
Abstract: Structural changes in Brazilian handling of return proceedings, emerging standards, procedural consistency, and strategic implications for applicants and respondents.
Ref: ME-IFL-HC-NEWERA
Journal Article
US–Brazil Alliance on International Child Abduction
Abstract: Institutional cooperation vectors between the United States and Brazil, diplomatic coordination, Central Authority practices, and practical implications for return proceedings.
Ref: ME-IFL-HC-USBR
Journal Article
Reevaluating Domestic Violence in Child Abduction Cases
Abstract: Reassessment of domestic violence allegations within return litigation, including fact patterns, evidentiary reliability, judicial reasoning, and proportionality in protective orders.
Ref: ME-IFL-HC-DVRE
Journal Article
Statistics on Child Abduction and the Hague Convention
Abstract: Data oriented view of international child abduction dynamics, return rates, timing variables, and strategic insights derived from statistical patterns relevant to Brazil related cases.
Ref: ME-IFL-HC-STATS
Legal Articles · International Family Law
Journal Article
Marriage and Divorce in Brazil
Abstract: Core rules, jurisdiction, documentation, and procedural pathways for foreigners and Brazilians in cross-border marriage and divorce contexts.
Ref: ME-IFL-FAM-MD
Journal Article
Fundamentals of Brazilian Marriage and Divorce
Abstract: Foundational concepts, civil registry mechanics, property regimes, and procedural milestones commonly relevant to international couples.
Ref: ME-IFL-FAM-FUND
Journal Article
Filing for Divorce from a Brazilian Partner
Abstract: Practical roadmap for cross-border divorce filing, service of process, documentary requirements, and strategic considerations for foreign parties.
Ref: ME-IFL-FAM-FILE
Journal Article
Divorce, Custody, and Child Support in Brazil
Abstract: Integrated overview of divorce-linked parenting disputes, custody models, child support baselines, and enforcement routes for international families.
Ref: ME-IFL-FAM-DCS
Journal Article
Child Custody in Brazil
Abstract: Brazilian custody structures, parenting plans, relocation sensitivity, and practical enforcement of custody and visitation orders in international contexts.
Ref: ME-IFL-FAM-CUST
Journal Article
Prenuptial Agreement in Brazil
Abstract: Choice of regime, formalities, cross-border enforceability, and risk mitigation for couples with international assets or multinational residence patterns.
Ref: ME-IFL-FAM-PRENUP
Journal Article
How to Marry in Brazil
Abstract: Procedural pathway for marriage in Brazil, documentation, civil registry requirements, consular formalities, and practical steps for foreign nationals.
Ref: ME-IFL-FAM-MARRY
Journal Article
How to Request Child Support to Another Country
Abstract: Cross border child support mechanisms, procedural channels, evidence package organization, and enforcement options for international applicants.
Ref: ME-IFL-FAM-CSX
Journal Article
International Marriage Law in Brazil
Abstract: Conflict of laws issues affecting marriage validity, domicile and nationality factors, documentation, and practical risk management for cross border couples.
Ref: ME-IFL-FAM-IML
International Cases – Media Coverage
Detenção de Adolescentes Brasileiras nos EUA
Reportagem sobre detenção de adolescentes brasileiras nos Estados Unidos e debate preventivo de medidas judiciais e diplomáticas.
Globo – Entrevista com Mauricio Ejchel
Análise jurídica de alta repercussão em veículo nacional sobre temas de mobilidade internacional, cooperação e direito de família.
Ronaldinho e Ordem de Retenção de Passaporte
Notícia sobre ordem de retenção de passaporte e implicações jurídicas para atletas em mobilidade internacional.
Recorde de Brasileiros Deportados dos EUA
Reportagem sobre cifras recordes de deportação de brasileiros dos Estados Unidos e reflexos sociais e legais.
Migração e Disputas Internacionais de Guarda
Notícia sobre crescimento de casos de disputas de guarda envolvendo famílias internacionais em contexto migratório.
Enlèvement de son fils au Brésil
Reportage canadense sobre o sequestro internacional de um filho no Brasil e os complexos procedimentos legais de repatriação e cooperação judicial.
International Child Abduction (YouTube #1)
Vídeo explicativo sobre sequestro internacional de crianças, retornos sob a Convenção de Haia de 1980 e estratégias de execução de ordens de retorno.
International Child Abduction (YouTube #2)
Outro vídeo da mesma playlist com insights sobre medidas legais em casos transfronteiriços de retenção de crianças e cooperação judicial internacional.
Child Abduction & Relocation Post
Publicação no LinkedIn abordando sequestro e relocação de crianças com perspectiva prática e exemplos de situações reais de deslocamento internacional.
International Child Abduction – Media Interview
Interview addressing international child abduction cases and cross-border legal mechanisms under the Hague Convention.
Cross-Border Family Dispute – Expert Commentary
Discussion on international family disputes and legal responses involving multiple jurisdictions.
MPF Requests Return of Sisters Taken to Ireland
News report on a Hague Convention case involving the return of Brazilian children taken to Ireland.
International Criminal Case – Media Analysis
Media coverage addressing international criminal accusations and jurisdictional issues involving Brazil.
Transnational Legal Dispute – Television Coverage
Television segment discussing international legal disputes with Brazilian jurisdictional implications.
International Case Commentary
Expert legal commentary on cross-border disputes and international litigation involving Brazilian parties.
Extended Legal Analysis – International Case
Long-form discussion on complex international legal proceedings and judicial cooperation.
Argentine Citizen Accused of Rape Hiding in Brazil
Investigative report on extradition, criminal jurisdiction, and international cooperation.
International Family Case – Media Interview
Media appearance discussing international family law disputes and cross-border implications.
Cross-Border Legal Conflict – Television Segment
Discussion of international legal conflicts and the Brazilian legal response.
International Legal Case – Dailymotion Feature
Media feature addressing international legal disputes with Brazilian jurisdictional elements.
Family of Brazilian Arrested in Turkey Seeks Help
Report on international detention, diplomatic assistance, and consular protection.
Legal Articles · Português
Artigo Doutrinário
Sequestro Internacional de Crianças no Brasil
Resumo: Análise técnica da aplicação da Convenção da Haia de 1980 no Brasil, incluindo residência habitual, retenção ilícita, cooperação internacional e atuação da Autoridade Central.
Ref: ME-IFL-PT-HC-001
Artigo Doutrinário
Como se Defender em Casos de Sequestro Internacional de Crianças
Resumo: Estratégias defensivas à luz do artigo 13 da Convenção da Haia, análise probatória, alegações de risco grave e parâmetros adotados pelo Judiciário brasileiro.
Ref: ME-IFL-PT-HC-002
Artigo Doutrinário
Carta Rogatória no Direito Internacional Privado Brasileiro
Resumo: Estudo prático e conceitual sobre cartas rogatórias, cooperação jurídica internacional, competência do STJ e limites de execução no Brasil.
Ref: ME-IFL-PT-COOP-001
Artigo Doutrinário
Instrução Normativa nº 29/2020 e Mobilidade Internacional
Resumo: Impactos da IN 29/2020 sobre residência, vistos, regularização migratória e efeitos jurídicos para estrangeiros no Brasil.
Ref: ME-IFL-PT-MIG-001
Artigo Doutrinário
Casamento e Divórcio no Brasil
Resumo: Regras estruturais do casamento e do divórcio no Brasil envolvendo estrangeiros, regimes de bens, jurisdição e efeitos internacionais.
Ref: ME-IFL-PT-FAM-001
Artigo Doutrinário
A Carreira em Direito Internacional
Resumo: Reflexões sobre a formação, atuação prática e desafios contemporâneos do advogado internacional no contexto brasileiro.
Ref: ME-IFL-PT-ACAD-001
Artigo Doutrinário
Sequestro Internacional de Crianças no Brasil: Perspectiva Internacional
Resumo: Estrutura operacional da Convenção da Haia de 1980 no Brasil, com foco em cooperação, rito de retorno, prova e respostas defensivas usuais.
Ref: ME-IFL-PT-HC-003
Artigo Doutrinário
Carta Rogatória: Parte 2
Resumo: Continuação prática sobre processamento, requisitos, tradução juramentada, apostilamento e fluxos de cooperação judicial internacional perante autoridades brasileiras.
Ref: ME-IFL-PT-COOP-002
Artigo Doutrinário
Pacto Antenupcial no Brasil
Resumo: Formalidades, escolha de regime de bens, efeitos perante terceiros e pontos críticos de validade e executividade em contextos internacionais.
Ref: ME-IFL-PT-FAM-002
Artigo Doutrinário
Golpe do Clube de Férias
Resumo: Caracterização jurídica de práticas abusivas em contratos de turismo, padrões de fraude, provas úteis e medidas administrativas e judiciais no Brasil.
Ref: ME-IFL-PT-CIV-001
Artigo Doutrinário
Profissão Advogado Internacional
Resumo: Elementos estruturais da prática internacional, formação de prova transnacional, rotinas de cooperação e padrões de atendimento em casos multijurisdicionais.
Ref: ME-IFL-PT-ACAD-002
Artigo Doutrinário
Tratado de Schengen
Resumo: Exposição técnica do regime Schengen, impactos em mobilidade, fronteiras internas, vistos, recusa de entrada e consequências práticas para brasileiros.
Ref: ME-IFL-PT-MIG-002
Artigo Doutrinário
Lei do Retorno
Resumo: Visão jurídico institucional do instituto, requisitos, efeitos migratórios e documentação, com contextualização histórico normativa.
Ref: ME-IFL-PT-MIG-003
Artigo Doutrinário
Carreira em Direito Internacional: Fundamentos
Resumo: Conjunto de competências, postura técnica, estratégias de atuação, relação com autoridades, e posicionamento profissional em ambiente global.
Ref: ME-IFL-PT-ACAD-003
Artigo Doutrinário
Instrução Normativa 29/2020: Aplicação Prática
Resumo: Requisitos, procedimentos e efeitos para regularização documental, com impactos diretos em famílias internacionais e mobilidade transfronteiriça.
Ref: ME-IFL-PT-MIG-004
Artigo Doutrinário
Carta Rogatória: Checklist de Requisitos
Resumo: Checklist técnico de peças, autenticação, apostilamento, tradução, competência e fluxos, com foco em previsibilidade e redução de indeferimentos.
Ref: ME-IFL-PT-COOP-003
Artigo Doutrinário
Golpe do Clube de Férias: Prova e Medidas
Resumo: Organização probatória, comunicações formais, reclamações administrativas, estratégias processuais e parâmetros de tutela de urgência em fraudes turísticas.
Ref: ME-IFL-PT-CIV-002
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Barra Funda, ZIP: 01139-000 – São Paulo, Brazil
Brazilian Bar Association, São Paulo Section (OAB/SP), Reg. # 3317.
Barra Funda, ZIP: 01139-000 – São Paulo, Brazil
Brazilian Bar Association, São Paulo Section (OAB/SP), Reg. # 3317.
