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Gonçalo Guerra Tavares

Gonçalo Guerra Tavares


CMS Rui Pena & Arnaut
Rua Castilho 50
1250-071 Lisbon
Languages Spanish, English, Portuguese

Gonçalo Guerra Tavares has been developing his activity mainly within the area of Administrative Law, focusing on public procurement, construction and infrastructures projects, urbanism, administrative litigation and arbitration.

He is a lawyer at CMS Rui Pena & Arnaut since 2004 and Partner in charge of Public Law since 2011.

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"Gonçalo Guerra Tavares is described by peers as "a great lawyer." He is well respected for his work in administrative law, especially in matters concerning infrastructure and construction, and he regularly advises on contentious proceedings"

Chambers & Partners - 2018

"The ‘excellent’ Gonçalo Guerra Tavares and Mónica Carneiro Pacheco are the key contacts"

Legal 500 - 2018


  • Gonçalo Guerra Tavares has a law degree from the Law Faculty of the Catholic University Portugal.
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  • Registered at the Portuguese Bar Association since 1996.
  • In 2006 he received the title of Specialised Lawyer in Administrative Law from the Bar Association.
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  • Published books
  • TAVARES, Gonçalo Guerra - Comentário ao Código dos Contratos Públicos, Almedina, 2019.
  • TAVARES, Gonçalo Guerra - Reflexos da Insolvência na Contratação Pública, in Estudos em Homenagem a Mário Esteves de Oliveira, Almedina, 2017, (co-author with Jorge Pacão)
  • TAVARES, Gonçalo Guerra  - Código dos Contratos Públicos – Volume II – Regime Substantivo dos Contratos Administrativos, Comentado, Almedina, 2011 (co-author with Nuno Dente).
  • TAVARES, Gonçalo Guerra  - Código dos Contratos Públicos, Volume I, – Regime da Contratação Pública, Comentado, Almedina, 2009 (co-author with Nuno Dente).
  • TAVARES, Gonçalo Guerra  - Código dos Contratos Públicos – Âmbito da sua Aplicação, Almedina, 2008 (co-author with Nuno Dente).
  • Articles
  • TAVARES, Gonçalo Guerra - A revisão do regime dos impedimentos do CCP à luz da Directiva 2014/24/UE, in Comentários à Revisão do Código dos Contratos Públicos, com coordenação de Carla Amado Gomes/Ricardo Pedro/Tiago Serrão/Marco Caldeira, AAFDL Editora, 2019, pp. 743 a 772 (co-author with António Magalhães e Menezes).
  • TAVARES, Gonçalo Guerra - A arbitragem administrativa em matéria de formação de contratos públicos, in Estudos em Homenagem a Rui Pena, Almedina, 2019, pp. 313 a 328 (co-author with António Magalhães e Menezes) 
  • TAVARES, Gonçalo Guerra  - The international Comparative Legal Guide to: Public Procurement 2011, Portugal Chapter, Global Legal Group, 2011, páginas 164 a 169.
  • TAVARES, Gonçalo Guerra  - The international Comparative Legal Guide to: Public Procurement 2010, Global Legal Group, 2010, Portugal Chapter, páginas 194 a 199.
  • TAVARES, Gonçalo Guerra - As Competências das Comissões dos Concursos de Empreitadas de Obras Públicas e de Aquisição de Bens Móveis e Serviços”, Direito e Justiça, Revista da Faculdade de Direito da Universidade Católica Portuguesa, Vol XIX, Tomo I, 2005, páginas 165-180.
  • Co-author work
  • TAVARES, Gonçalo Guerra - Código de Processo nos Tribunais Administrativos Anotado, Vol. I, Almedina, 2004, by Mário Esteves de Oliveira/Rodrigo Esteves de Oliveira;
  • TAVARES, Gonçalo Guerra  - Concursos e Outros Procedimentos de Adjudicação Administrativa, Das Fontes às Garantias, Almedina, 1998, by Mário Esteves de Oliveira/Rodrigo Esteves de Oliveira.
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29 May 2020
Meet the Law | New Rules on Dead­lines and Pro­ced­ur­al Mat­ters
From June 3, 2020, new rules will come in­to force re­gard­ing the dead­lines and steps to be taken in pro­ceed­ings and pro­ced­ur­al mat­ters be­fore ju­di­cial courts, ad­min­is­trat­ive and tax courts, the Con­sti­tu­tion­al...
21 December 2020
CMS Ex­pert Guide to on­line gambling law and reg­u­la­tion in Europe
The gambling in­dustry is con­stantly in a state of change. Check out this Ex­pert Guide to see the gambling leg­al land­scape and who to con­tact for any gambling reg­u­lat­ory con­cerns.Al­though this re­source...
24 October 2016
Meet the Law | An­gola Up­date - Pub­lic Pro­cure­ment Re­forms
After more than five years since the pub­lic­a­tion of Law No. 20/10, of Septem­ber 7, the Na­tion­al As­sembly of An­gola ap­proved an im­port­ant amend­ment to the Pub­lic Pro­cure­ment Act - now de­nom­in­ated "Lei...
10 April 2020
Im­pact of COV­ID-19 on Pub­lic Pro­cure­ment
The COV­ID-19 crisis is hav­ing a ser­i­ous im­pact on the eco­nomy and busi­nesses. In these cir­cum­stances, pub­lic pro­cure­ment can be of even great­er im­port­ance than usu­al and vari­ous ques­tions arise, such...
10 October 2019
CMS Ex­pert Guide to pub­lic pro­cure­ment reg­u­la­tion and law
In­tro­duc­tion Pub­lic pro­cure­ment is a power­ful tool for gov­ern­ments try­ing to cre­ate dy­nam­ic, in­nov­at­ive and sus­tain­able mar­kets, eco­nom­ies and so­ci­et­ies. Ac­cord­ing to the European Com­mis­sion, “every...
07 April 2020
Meet the Law | Amend­ments and cla­ri­fic­a­tions to Law No. 1-A/2020
Ques­tions and An­swers on re­cent amend­ments and cla­ri­fic­a­tions to Law No. 1-A/2020 and De­cree-Law No. 10-A/2020, with re­spect to some meas­ures taken in the con­text of Ad­min­is­trat­ive Lit­ig­a­tion and Pub­lic...
November 2019
CMS Pub­lic Pro­cure­ment Tool­box of Rem­ed­ies
Pub­lic pro­cure­ment is the largest single glob­al mar­ket­place, ac­count­ing for around one-fifth of world­wide GDP. In this in­creas­ingly in­ter­na­tion­al mar­ket­place, com­pan­ies need to have con­fid­ence that pub­lic...
November 2019
E-pub­lic pro­cure­ment
On 18 Oc­to­ber 2018 ob­lig­at­ory e-pro­cure­ment rules entered in­to force in many EU mem­ber states. The CMS Pub­lic Pro­cure­ment Group has the pleas­ure of shar­ing key in­form­a­tion re­gard­ing mul­tiple jur­is­dic­tions.   Pub­lic...
CMS Pub­lic Pro­cure­ment Guide
In this CMS guide to pub­lic pro­cure­ment we set out the key rules, thresholds, and pro­ced­ures for con­tract­ing au­thor­it­ies and sup­pli­ers, in­dic­ate wheth­er it is man­dat­ory or vol­un­tary to use e-pro­cure­ment...
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Meet The Law | Pub­lic Law
Amend­ing Dir­ect­ives 2004/17/EC,2004/18/EC and 2009/81/EC of the European Par­lia­ment and Coun­cil re­gard­ing the ap­plic­a­tion of thresholds in the con­text of pro­ced­ures for the award of pub­lic con­tracts.Please...
Meet The Law | Pub­lic Law
After more than six years from the ef­fect­ive date of the Law no. 53/2006, of Decem­ber 7, which es­tab­lished the com­mon sys­tem of mo­bil­ity between ser­vices of of­ficers and em­ploy­ees of pub­lic ad­min­is­tra­tion...