Claudio Pieroni

Claudio Pieroni


+ 55 11 3150-7601

Pieroni is specialist in labor law and procedure, with extensive experience in the provision of legal preventive and responsive assistance and in the analysis and management of risks, overall the ones related to judicial and administrative disputes. His practice is focused on matters related to the Ministry of Public Labor Prosecution and the Ministry of Labor and Employment, with emphasis on strategies of collective repercussion to the companies. He has previous experience in areas of knowledge such as gas, retail, services, electronics, banks, financial market, and construction companies.


Brazilian Bar Association

Recent acknowledgments

Recommended by Lacca Approved, in Labour and employment, edition 2019.
Classified among the most admires lawyers by Análise Advocaciam 2017 edition, in Labor, Automotive and Parts and Insurance.
Recommended by The Legal 500, edition 2017, in
Labour and employment.
Recommended by Chambers Latin America in Labour and employment, edition 2018.
Recommended by Latin Lawyer 250, 2018 edition, in Labour and employment.



Pontifícia Universidade Católica of São Paulo, Brazil, masters in Labor Law, 2017.
Universidade Presbiteriana Mackenzie, Brazil, Postgraduate course in Labor Law and Procedure, 2009.
Universidade Presbiteriana Mackenzie, Brazil, Bachelor of Laws, 2007.

Recent publications

Even without the consent of the trade union, the Superior Labor Court (TST) approved requests...[+]
Federal Decree No. 9,571/2018 has been drawing the attention of companies by assuming effective...[+]
The Superior Labor Court (TST) granted relief to an appeal filed by a company seeking to recognize...[+]
Article 507-A of the Consolidated Labor Laws (CLT), included by the Labor Reform (Law No. 13,467/2017),...[+]
Among the changes introduced by Law No. 13,467/2017 (the Labor Reform), the introduction of...[+]
Law No. 9,656/98 assures ex-employees dismissed without cause or for retirement the right to...[+]
Since Embraer's well-known mass lay-off case (Case No. 309-2009-000-15-00-4), collective disputes...[+]