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Frank Mausen



Mausen Frank
Frank Mausen



Frank is the managing partner at Allen & Overy in Luxembourg and specialises in securities laws and capital markets regulation, including stock exchange listings. Clients include banks as well as corporate, institutional, supranational and sovereign issuers which he advises on debt and equity transactions and structured finance transactions including securitisation, structured products, covered bonds, IPOs, placements and buy-backs of securities, exchange offers, listing applications and ongoing obligations deriving from such listings. He has 15 years of experience in these areas.

Frank regularly holds conferences on securitisation and other capital markets topics in Luxembourg and abroad. He is a member of the securitisation working group of ALFI (the Association of the Luxembourg Fund Industry) and the securitisation working group and the financial markets committee of the ABBL (the Luxembourg Bankers’ association). Frank is also a member of the Islamic Finance working group of Luxembourg for Finance (Luxembourg’s agency for the development of the Luxembourg financial centre) and has recently joined the Haut Comité de la Place Financière (a committee set-up by the Luxembourg Ministry of Finance aiming to modernise Luxembourg’s financial sector legislation).

He is an active member of our FinTech task force, supporting clients from established financial institutions, incumbents and start-ups in developing innovative products.

“Esteemed by sources as a ‘leading expert in the market,’ Frank Mausen is highly regarded for securitisation matters and advises banks and other issuers on both debt and equity mandates." Chambers Global 2018

Experience highlights



Allen & Overy
5 Avenue John F. Kennedy, L-1855 

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Admitted as avocat à la Cour, Luxembourg, 2004

Admitted as avocat, Luxembourg, 2002


LLM, University of Kent, Canterbury, 2001

Maîtrise, Business Law, University of Strasbourg, 2000


Published work

  • Co-author (2019) "Taking Security over Luxembourg’s special limited partnership vehicle" in Butterworths Journal of International Banking and Financial Law [Vol. 34 – No. 3 March 2019], [p.175-179], [LexisNexis, UK]
  • Co-author (2018) "The Initial Public Offerings Law Review" (Luxembourg Chapter), Law Business Research
  • Co-author (2018) "The International Capital Markets Review" (Luxembourg Chapter), Law Business Research.
  • Co-author (2018) "The Private Equity Review" (Luxembourg Chapter), Law Business Research.
  • Co-author (2018) "The Islamic Finance Review" (Luxembourg Chapter), Law Business Research.

News & insights

News: 31 OCTOBER 2019

La Porte de l’Europe welcomes Allen & Overy

918 is the number of days that Allen & Overy’s 200 lawyers and support staff had to wait to walk through the doors of their new offices, ever since the symbolic laying of the first stone in April 2017 in the presence of Luxembourg Prime Minister Xavier Bettel.

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Publications: 23 JULY 2019

The new prospectus regime in Luxembourg

A new Luxembourg act dated 16 July 2019 on prospectuses for securities and implementing the Prospectus Regulation (the New Prospectus Act) was published in the Luxembourg Official Gazette on 18 July 2019. The New Prospectus Act repeals the Luxembourg act dated 10 July 2005 on prospectuses for securities, as amended (the Old Prospectus Act) and, together with the Prospectus Regulation, which is directly applicable across the EU, will create new prospectus regimes in Luxembourg. The New Prospectus Act will come into force on 21 July 2019.

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Publications: 03 JULY 2018

Introduction of a "Green Covered Bonds" regime in Luxembourg and modernisation of the existing framework

On 26 June 2018, the new Luxembourg law on “green covered bonds” amending certain provisions of the Luxembourg Act of 5 April 1993 on the financial sector* (the Law) was published in the Mémorial. Luxembourg is well-known in the sphere of European capital markets for its innovative approach to green finance, as has recently been demonstrated by the success of the Luxembourg Green Exchange platform (LGX).

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Publications: 12 JANUARY 2018

Re-shaping the Listing of Financial Instruments - The Luxembourg Stock Exchange and its revamped official list

The Luxembourg Stock Exchange is well-known in the sphere of European capital markets for its open-minded approach to innovative solutions. After success stories like the Luxembourg Green Exchange (LGX) platform which was launched in 2016 and the Financial Instruments Reporting Services Tool (FIRST) made available in 2017, it has now taken a closer look at the structure of its official list.

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