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António Payan Martins


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

António focuses his practice in the Banking and Finance area, where he has a vast experience in corporate and acquisition finance, leveraged & mezzanine finance, infrastructure and project finance and structured products. He has also a large experience in special situations, restructuring deals, turnarounds and transactions involving distressed assets and non performing loans.

António is also a specialist in regulation and antitrust matters in the finance sector and since 2010 he heads the EU & Competition group of the firm, with a strong practice focused in antitrust, horizontal agreements, vertical restraints, distribution and consumer products.

António has also built in the last years a strong expertise and experience in advising banks, multilateral institutions and companies in complex transactions in Portuguese Speaking Countries in Africa and East Timor, in particular in infrastructure projects and financings and investments projects.

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António Payan Martins is experienced in acquisition and project financings as well as structured finance. He has further expertise in restructurings and NPL transactions.

Chambers and Partners 2019

António Payan Martins advises important financial institutions as well as corporate groups. He assists with loan portfolio transactions, debt restructuring and financial services regulation and interviewees state: "He is good at managing clients' expectations and always tries to reach an agreement in a constructive way."

Chambers and Partners 2019

Relevant experience

  • Associate with PLMJ between 1995-1999 (A.M. Pereira, Sáragga Leal, Oliveira Martins, Júdice & Associados), with one year secondment with the European Investment Bank (Luxembourg), legal advisor to the Board of Banco Espírito Santo (1999-2002), Managing Associate at Linklaters (Portugal) between 2003 and 2007, Partner of CMS Rui Pena & Arnaut since 2007.
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  • António Payan Martins is Master’s in Business Law by the Universidade Católica Portuguesa Lisbon School of Law with a thesis in competition history and theory.
  • António Payan Martins was junior professor at the Universidade Católica Portuguesa Lisbon School of Law from 1995 to 2003 and since then he is guest professor lecturing in Banking & Finance Law and EU & Competition Law matters.
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