In its 2018 edition, the Legal 500 legal directory is again ranking our firm in the top leading firms. Patrick Chantrain, Christian Jungers and Karine Vilret are ranked as a “leading individual” and Sophie Arvieux as a “next generation lawyer”.


Within Dispute resolution, KLEYR GRASSO is one of the 6 leading firms.

“The ‘responsive and business-oriented’ team at Kleyr Grasso is best known for its ‘extensive knowledge of business litigation matters’. Marc Kleyr recently successfully defended EY in an audit negligence claim brought by Norvest. The ‘responsive and efficient’ Donata Grasso is regularly involved in corporate litigation and is a key part of the team that also includes white-collar criminal law expert Rosario Grasso; Pascal Sassel, who excels in finance disputes; and Yasmine Poos, who is regularly engaged in procurement, construction and real estate disputes.”


Within Real estate and construction, KLEYR GRASSO is among the 7 best firms. Patrick Chantrain is a “leading individual” in this area.

“At Kleyr Grasso, the ‘pragmatic and reliable’ François Collot has ‘a broad real estate and construction offering’ across transactional and litigation mandates; he is acting for ArcelorMittal on the construction of a new worldwide headquarters in Luxembourg. Patrick Chantrain regularly handles corporate real estate mandates for clients including Corestate Capital. Yasmine Poos is ‘excellent’ for real estate litigation.”


Within Employment, KLEYR GRASSO is among the top 6 law firms. Christian Jungers is recognised as a “leading individual” in this area.

“Praised for its ‘extensive knowledge of labour law’, Kleyr Grasso provides ‘a responsive service’ to domestic and international clients on contentious and non-contentious social and employment law issues including employee remuneration schemes, transfer of undertakings and redundancy programmes. Christian Jungers and counsel Sandra Rapp have ‘extensive employment law knowledge and are able to explain complex labour law aspects in an understandable way’. Recently promoted partner Philippe Ney provides ‘customer-oriented advice’.


Within Insurance, KLEYR GRASSO is again ranked in the first tier, which places the firm in the top 4 law firms within this area. Karine Vilret is now also ranked as a “leading individual”.

“At Kleyr Grasso, the ‘proactive and highly analytical’ Karine Vilret applies her vast insurance law regulatory knowledge to advise on non-contentious and contentious matters. Vilret has particular expertise in life insurance matters and recently advised ABN Amro (Luxembourg) on the creation of models of delegation for life-insurance contracts.”


Within Corporate, commercial and M&A, KLEYR GRASSO is ranked among the best firms in the Luxembourg market.

“Kleyr Grasso provides ‘an accurate and responsive service’ on day-to-day corporate governance and commercial work including advice on establishing offices in Luxembourg and on shareholder agreements. On the transactional front, the team recently handled TA Associates’ acquisition of German-based company think project!. Patrick Chantrain and counsel Sophie Arvieux are praised for their ‘technical knowledge of the local law and international regulatory environment’. Jean-Paul Spang and the ‘excellent’ Rina Breininger are also noted.”


Within Banking, finance and capital markets, KLEYR GRASSO is one of the leading firms. Sophie Arvieux is again recognised as a “next generation lawyer” by the directory.

“At Kleyr Grasso, Patrick Chantrain provides ‘very accurate advice’ to fund clients including GSO Capital Partners on the financing of investments. ‘Excellent’ team head Rina Breininger and counsel Jérôme Burel regularly assist private equity sponsor TA Associates with the financing arrangements to facilitate investments. Sophie Arvieux is also recommended.”


Within Private equity, KLEYR GRASSO is among the best firms.

“At Kleyr Grasso, the ‘excellent’ Rina Breininger and Jérôme Burel regularly act for TA Associates on its investments and exits including on its recent sale of Israel-based MIS Implants Technologies. Patrick Chantrain is also recommended.”


Within Investment funds, the editorial says:

“At Kleyr Grasso, Patrick Chantrain and counsel Sophie Arvieux have ‘technical knowledge of the law and international regulatory environment’ surrounding private fund structuring and M&A work. Counsel Ulrike Jacquin-Becker has been very active of late advising on UCITS V regulatory matters.”

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