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Barbara MARQUES DUARTE, Associate at Kleyr Grasso

Barbara MARQUES DUARTE

Associate

Expertise

Bárbara MARQUES DUARTE is an Associate in the Corporate, Banking and Finance practices group.

Before joining the firm in 2024, she worked as an associate at independent law firms in Portugal for 4 years, particularly in Corporate, M&A, Banking & Finance, and Litigation.

+352 227 330-743

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EDUCATION

Master’s degree in Law and Legal Science – Specialty Criminal Law and Criminal Sciences, University of Lisbon, Portugal, 2022

Law Degree, Catholic University of Lisbon, Portugal, 2016

LANGUAGES

English, Portuguese

MEMBERSHIPS

Luxembourg Bar, admitted in 2024

Portuguese Bar, admitted in 2018

Events

  • BAI Alternative Investor Conference
    FRANKFURT

    BAI Alternative Investor Conference

    Our German Desk team — Mevlüde-Aysun Tokbag, Garry Reuland and Muriel Piquard — will be in Frankfurt to connect with market participants and discuss key developments shaping the alternative investment industry, from…

  • KLEYR GRASSO’s Annual Seminar on Legal, Regulatory and Tax Updates
    KLEYR GRASSO

    KLEYR GRASSO’s Annual Seminar on Legal, Regulatory and Tax Updates

    Don’t miss our Annual Financial Services Seminar! Get ahead of 2026 with key insights on legal, regulatory, and tax developments. Join our experts for practical guidance to anticipate your business needs and…

  • Les conflits d’actionnaires : entre droit, stratégie et justice
    Hôtel DoubleTree by Hilton

    Les conflits d’actionnaires : entre droit, stratégie et justice

    Les conflits entre actionnaires représentent un enjeu majeur pour la stabilité des entreprises. Organisé par MEETINCS SA, cette conférence vous propose d'explorer les moyens de prévenir et de gérer ces situations délicates,…

  • Conférence actualité en droit des affaires : Quelles sont les bonnes pratiques?
    Parc Belair, Luxembourg

    Conférence actualité en droit des affaires : Quelles sont les bonnes pratiques?

    Conférences d’actualité organisée par ABILWAYS Luxembourg : Actualités en droit des affaires. Quelles sont les bonnes pratiques? Le panorama en droit des affaires s’adresse aux professionnels du droit et du chiffre. De…

  • Directive Mobilité au Luxembourg : Nouvelles dynamiques et enjeux
    Sofitel Luxembourg Europe

    Directive Mobilité au Luxembourg : Nouvelles dynamiques et enjeux

    Le comité scientifique de la revue pratique de droit des affaires a l'immense plaisir de vous inviter à une conférence passionnante autour de la très attendue transposition de la directive mobilité au…

  • MULTILAW_2024 Global Conference
    Boston

    MULTILAW_2024 Global Conference

    Multilaw's flagship annual global event will take place in Boston, the capital of Massachusetts and one of the oldest cities in the United States. The Conference is kindly hosted by US member…

Related News

Read the latest related news from our experts or explore our full insights which cover new laws, bills, and ongoing developments.

  • Luxembourg company law: Deferred payment of the share capital of Sàrl and Sàrl-S

    Adopted on 28 April 2026, the long‑awaited reform introduces an optional regime allowing the deferred payment of the minimum share capital of Luxembourg private limited liability companies, applicable to both Sàrl and…

  • Gender balance by 30 June 2026: 33% to achieve… are you ready to explain your position?

    Following our previous briefing note on the Luxembourg Law of 19 December 2025 on gender balance in listed companies, this second publication focuses on an often overlooked aspect.

  • Consistent excellence and client trust reaffirmed in The Legal 500 EMEA 2026 edition
    • EN

    Consistent excellence and client trust reaffirmed in The Legal 500 EMEA 2026 edition

    KLEYR GRASSO is pleased to announce its continued recognition in The Legal 500 Europe, Middle East & Africa 2026, reaffirming the firm’s consistent excellence and the trust placed in it by clients…

  • KLEYR GRASSO reaffirmed as a Leading Law Firm in Luxembourg by Chambers Europe 2026
    • EN

    KLEYR GRASSO reaffirmed as a Leading Law Firm in Luxembourg by Chambers Europe 2026

    KLEYR GRASSO is proud to announce its continued recognition in the Chambers Europe Guide 2026, reaffirming the firm’s position among the leading law firms in Luxembourg.

  • Mediation: understanding conflict to better resolve it

    Rédigé par Pierre-Alexandre DEGEHET, Partner. This first article forms part of a series of publications dedicated to mediation.

  • Shareholders’ rights in listed companies

    Are you a minority shareholder in a listed company, wondering how far your rights truly extend when a takeover bid is recommended by the company’s governing bodies?

  • Global recognition in Corporate M&A and in Investment Funds

    Global recognition in Corporate M&A and in Investment Funds

    KLEYR GRASSO is proud to announce its ranking in the Chambers and Partners Global Guide 2026, recognising the firm’s strong capabilities in both Corporate M&A and Investment Funds.

  • LBR/RCS new service: declaration of information relating to corporate income tax

    LRB/RCS new service: declaration of information relating to corporate income tax (articles 72decies et seq. of the RCS Law of 19 December 2002, as amended by the law of 15 August 2023)…

  • AI Act _ Presentation

    Authored by Pierre-Alexandre Degehet, Partner

  • Law of 19 December 2025 establishing a quantitative objective for gender balance among directors of listed companies

    Authored by Pierre-Alexandre Degehet, Partner

  • Towards deferred payment of the minimum share capital of SARL

    Bill No. 8669 (the Bill 8669), which aims to allow for the deferred payment of the share capital of the société à responsabilité limitée (private limited liability companies) (SARL), has just been…

  • High-level roadmap to T+1 securities settlement in the UE

    Origin of the T+3 Historically, financial markets operated with a T+3 settlement cycle, meaning that the delivery of securities and the payment occurred three business days after the transaction date (T).

  • KLEYR GRASSO strengthens key practice areas with the addition of eight new lawyers
    • EN

    KLEYR GRASSO strengthens key practice areas with the addition of eight new lawyers

    As part of our continued growth and strategic development, and in response to the increasing demand from our clients, we are pleased to announce the arrival of eight new lawyers to our…

  • KLEYR GRASSO Recognized with Top-Tier Ranking in Legal500 EMEA 2025 for Luxembourg!
    • EN

    KLEYR GRASSO Recognized with Top-Tier Ranking in Legal500 EMEA 2025 for Luxembourg!

    KLEYR GRASSO has once again secured a Top-Tier ranking in the prestigious Legal500 EMEA 2025 for Luxembourg. This recognition underscores our firm’s dedication to excellence, client success, and legal expertise across our…

  • LNIN – NEW RCSL FILING REQUIREMENTS – END OF FREE SERVICE

    The LBR recently announced the end date of the transition period, which has been set for 1st June 2025.

    • EN

    Chambers Europe 2025 – A Renewed Recognition of Our Excellence

    KLEYR GRASSO is proud to be recognized once again by Chambers and Partners in its 2025 Europe guide for its exceptional legal expertise. Our ongoing position among the top law firms in…

  • Global Recognition, Local Excellence – KLEYR GRASSO, Ranked by Chambers & Partners Global 2025!
    • EN

    Global Recognition, Local Excellence – KLEYR GRASSO, Ranked by Chambers & Partners Global 2025!

    KLEYR GRASSO is proud to be ranked in the Chambers Global Guide 2025 for our expertise in Corporate & M&A, Investment Funds, and our German Desk. This recognition underscores our strong international…

  • Amendment to the law on non-profit associations and foundations

    The Luxembourg legislator has just adopted a new law dated 4 December 2024 (the “Amending Law”) amending Articles 7 and 77 of the law of 7 August 2023 on non-profit associations and…

  • Adjustment of size criteria for micro, small, medium and large companies or groups

    In the context of the transposition of Commission Delegated Directive (EU) 2023/2775 of 17 October 2023 amending Directive 2013/34/EU of the European Parliament and of the Council as regards the adjustment of…

  • LNIN – New RCSL filing requirements

    Please find herewith some new rules of paramount importance, which will apply for all individuals registered or to be registered within the file of an entity listed with the Luxembourg Register of…

    • EN

    KLEYR GRASSO proudly assists IVS Partecipazioni in the IVS Group delisting tender offer by Lavazza Group

    KLEYR GRASSO proudly assists IVS Partecipazioni in the IVS Group delisting tender offer by Lavazza Group.

    • EN

    KLEYR GRASSO announces major promotions effective January 1, 2024

    KLEYR GRASSO is pleased to announce the promotion of ten outstanding individuals within its ranks. Effective January 1, 2024, the promotions mark a significant step in the firm's growth strategy and commitment…

  • KLEYR GRASSO assisted Socom and Evocells in the set-up of their joint venture denominated Solarcells Luxembourg, which will be the first producer of solar panels in Luxembourg.

    KLEYR GRASSO is proud to assist Socom, a leader in technical building engineering in Luxembourg, and Evocells, a pioneer in Belgian photovoltaics, in the set-up of their joint-venture denominated Solarcells Luxembourg.

  • New law rectifying the law of 10 August 1915 on commercial companies

    On 19 July 2023, the Chamber of Deputies adopted the draft law N°8007, the purpose of which is to modify the law of 10 August 1915 on commercial companies as amended (the…

  • New law on non-profit associations and foundations (the “New NPA Law”)

    On 28 June 2023 the Luxembourg Parliament has adopted a new law regarding non-profit associations and foundations (Bill 6054). Non-profit associations and foundations were previously governed by the law of 21 April…

  • New law on the use of digital tools and processes in company law

    The Luxembourg Parliament has adopted, on 15 June 2023, a new law as regards the use of digital tools and processes in company law into Luxembourg law (bill of law n° 7968)…

    • EN

    Pierre-Alexandre DEGEHET joins KLEYR GRASSO as a partner in its Corporate Finance and Capital Markets practices, as of 5 June 2023.

    KLEYR GRASSO is strengthening its expertise in Corporate Finance and Capital Markets with the arrival of Pierre-Alexandre DEGEHET.

  • KLEYR GRASSO assisted the selling shareholders in the sale of ifsam to FNZ

    KLEYR GRASSO assisted the selling shareholders on the Luxembourg legal aspects of the sale of ifsam, a Luxembourg-based B2B fund platform, by FNZ, the global platform provider in the wealth management sector,…

  • Draft law 8053 transposing the mobility directive

    On 10 May 2023, the Luxembourg Bar Association (Ordre des Avocats du Barreau de Luxembourg) issued its opinion on the draft law No. 8053 (the “Draft Law”), which aims to transpose the…

  • Judgment of the Court in Joined Cases C-37-20 and C-601-20 regarding the Anti-money laundering directive

    In its 22 November 2022 judgment, the Court of Justice of the European Union (“CJEU”) invalidates the provision of the 5th AML Directive[1] whereby the access to information on the beneficial owners…

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