Dr Philipp Mössner is a highly accomplished expert in capital markets, banking and finance and corporate law and a partner at GSK Stockmann in Luxembourg. Recognised by Legal 500 for his expertise, Philipp has over 20 years’ experience advising major public companies, investors and multinational corporations on high-value capital markets transactions, including security offerings, share buy-backs and scrip dividends. He also provides ongoing counsel on corporate governance and securities law compliance.
Philipp has extensive experience in borrower financing, joint ventures and share deals, making him a trusted adviser for international clients doing business in Luxembourg. Known for his approachable manner and commercial mindset, Philipp is committed to delivering pragmatic, tailored legal solutions that meet the unique needs of his clients. He is the author of numerous publications in his field.
Practice areas
- Capital markets (listed companies)
- Banking and finance
- Corporate
- Real estate transactions
Testimonials about Dr Philipp Mössner
- Joined GSK Stockmann in Luxembourg in 2016
- Worked in the capital markets, banking & finance and corporate law practice at a leading independent law firm in Luxembourg (2007-2016)
- Admitted to the bar in Germany (2006) and to the bar in Luxembourg (2007)
- Doctorate in the area of international air law from the University of Tübingen (Germany)
- Master of Laws (LL.M.) from the Institute of Air and Space Law at McGill University Montreal (Canada)
- Studied law at the University of Tübingen (Germany)
Languages: English, French, German
- International Bar Association (IBA)
- American Bar Association (ABA)
- Canadian Bar Association (CBA)
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2025). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Gassner, A., Carraretto, A., Weryha, E. (2025). Luxembourg. Chambers Global Practice Guide – Joint Ventures 2025, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2025). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2025, 18th ed. London: Global Legal Group, pp. 95-102.
- Mössner, P., Papagiannidi, C. and Gusinski, M. (2025). Luxembourg. The Legal 500 Country Comparative Guide, 3rd ed. London: Legalease Ltd, Chapter “Capital Markets: Luxembourg”.
- Mössner, P., Lindner, A. and Papagiannidi, C. (2025). Luxembourg. The Legal 500 Country Comparative Guide, 7th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2024). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Gassner, A., Carraretto, A., Demarcq, M. (2024). Luxembourg. Chambers Global Practice Guide – Joint Ventures 2024, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2024). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2024, 17th ed. London: Global Legal Group, pp. 114-121.
- Mössner, P., Lindner, A. and Papagiannidi, C. (2024). Luxembourg. The Legal 500 Country Comparative Guide, 6th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2023). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P. and Papagiannidi, C. (2023). Luxembourg. The Legal 500 Country Comparative Guide, 7th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2023). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2023, 16th ed. London: Global Legal Group, pp. 115-121.
- Mössner, P. (2023). Luxembourg. Eine Anwaltskarriere in Luxemburg. Saarländisches Anwaltsblatt, Ausgabe 1 | 2023.
- Mössner, P. and Lindner, A. (2023). Luxembourg. The Legal 500 Country Comparative Guide, 5th. ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P. and Papagiannidi, C. (2023). Luxembourg. The International Comparative Legal Guide to Real Estate 2023, 18th ed. London: Global Legal Group, pp. 115-125.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. The Legal 500 Country Comparative Guide, 6th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2022). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2022, 15th ed. London: Global Legal Group, pp. 103-109.
- Mössner, P. (2022). Luxembourg. Interview with Dr. Phillip Mössner about Cannabis. June 16, 2022. AMCHAM website.
- Mössner, P. (2022). Germany. Initial Public Offerings 2022, 6th ed. London: Global Legal Group, Chapter “IPO 2022 – Germany”, pp. 68-79.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. Mondaq Comparative Guide to Capital Markets, London: Mondaq Ltd, Chapter “Luxembourg”.
- Mössner, P. (2022). Cannabis-Legalisierung in Deutschland und Luxemburg. Börsen-Zeitung, Sonderbeilage 70 Jahre Börsen-Zeitung – Partner des Finanzplatzes Luxemburg, 24.03.2022, Nr. 58, B4-5.
- Mössner, P. (2022). Luxemburg. How to Stay Competitive in a Highly-Regulated Environment, March edition: Luxembourg Official.
- Mössner, P. and Lindner, A. (2022). Luxembourg. The Legal 500 Country Comparative Guide, 4th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. The International Comparative Legal Guide to Real Estate 2022, 17th ed. London: Global Legal Group, Chapter 11, pp. 106-116.
- Mössner, P. and Lindner, A. (2021). Luxembourg. Warum der deutsche Immobiliensektor auf Luxemburg setzt. GoingPublic, December 2021, p. 48.
- Mössner, P. and Papagiannidi, C. (2021). Luxembourg. The Legal 500 Country Comparative Guide, 5th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. (2021). Grenzen überschreiten – Das Bessere ist des Guten Feind. Börsen-Zeitung, Sonderbeilage Finanzplatz Luxemburg, 30.10.2021, Nr. 210, B7.
- Mössner, P. and Lindner, A. (2021). Luxembourg. Mondaq Comparative Guide to Corporate Governance, London: Mondaq Ltd, Chapter “Luxembourg”.
- Mössner, P. and Lindner, A. (2021). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2021, 14th ed. London: Global Legal Group, Chapter 12, pp. 94-100.
- Mössner, P. (2021). Luxembourg. Initial Public Offerings, 5th ed. London: Global Legal Group, pp. 73-84.
- Mössner, P. and Papagiannidi, C. (2021). Luxembourg. The International Comparative Legal Guide to Real Estate 2021, 16th ed. London: Global Legal Group, Chapter 12.
- Peter, M., Heinzmann, A., Mössner, P., Ostertag, M., Bartnik, M., Fernandez, M., Scollo, V. (2020). Luxembourg: From start-up to establishment: Paperjam Plus – Tax & Legal, January 2021, pp. 26-27.
- Mössner, P. and Papagiannidi, C. (2020).Luxembourg. The Legal 500 Country Comparative Guide, 4th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2020). Luxembourg. Corporate Governance, 13th ed. London: Global Legal Group, pp. 136-142.
- Mössner, P. (2020). Nachhaltige Finanzierungen sind aktueller denn je. Börsen-Zeitung (03.06.2020), Nr. 104, S. B 4.
- Mössner, P. (2019). Luxemburg bekennt sich zu nachhaltigen Finanzierungen. Börsen-Zeitung (27.04.2019), Nr. 81, S. B7.
- Peter, M., Heinzmann, A., Mössner, P., Ostertag, M. and Bolch, A. (2019). Encouraging a start-up mentality in law. Paperjam: Business zu Lëtzebuerg, pp. 6-7.
- Mössner, P. (2018). Luxembourg leads the way in sustainable finance. The Lawyer: The Tech Pioneers Issue, p. 76.
- Joined GSK Stockmann in Luxembourg in 2016
- Worked in the capital markets, banking & finance and corporate law practice at a leading independent law firm in Luxembourg (2007-2016)
- Admitted to the bar in Germany (2006) and to the bar in Luxembourg (2007)
- Doctorate in the area of international air law from the University of Tübingen (Germany)
- Master of Laws (LL.M.) from the Institute of Air and Space Law at McGill University Montreal (Canada)
- Studied law at the University of Tübingen (Germany)
Languages: English, French, German
- International Bar Association (IBA)
- American Bar Association (ABA)
- Canadian Bar Association (CBA)
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2025). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Gassner, A., Carraretto, A., Weryha, E. (2025). Luxembourg. Chambers Global Practice Guide – Joint Ventures 2025, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2025). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2025, 18th ed. London: Global Legal Group, pp. 95-102.
- Mössner, P., Papagiannidi, C. and Gusinski, M. (2025). Luxembourg. The Legal 500 Country Comparative Guide, 3rd ed. London: Legalease Ltd, Chapter “Capital Markets: Luxembourg”.
- Mössner, P., Lindner, A. and Papagiannidi, C. (2025). Luxembourg. The Legal 500 Country Comparative Guide, 7th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2024). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Gassner, A., Carraretto, A., Demarcq, M. (2024). Luxembourg. Chambers Global Practice Guide – Joint Ventures 2024, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2024). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2024, 17th ed. London: Global Legal Group, pp. 114-121.
- Mössner, P., Lindner, A. and Papagiannidi, C. (2024). Luxembourg. The Legal 500 Country Comparative Guide, 6th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P., Lindner, A., Papagiannidi, C., Gusinski, M. (2023). Luxembourg. Chambers Global Practice Guide – Shareholders’ Rights & Shareholder Activism, London: Chambers and Partners, Chapter “Luxembourg: Law & Practice”.
- Mössner, P. and Papagiannidi, C. (2023). Luxembourg. The Legal 500 Country Comparative Guide, 7th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2023). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2023, 16th ed. London: Global Legal Group, pp. 115-121.
- Mössner, P. (2023). Luxembourg. Eine Anwaltskarriere in Luxemburg. Saarländisches Anwaltsblatt, Ausgabe 1 | 2023.
- Mössner, P. and Lindner, A. (2023). Luxembourg. The Legal 500 Country Comparative Guide, 5th. ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P. and Papagiannidi, C. (2023). Luxembourg. The International Comparative Legal Guide to Real Estate 2023, 18th ed. London: Global Legal Group, pp. 115-125.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. The Legal 500 Country Comparative Guide, 6th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2022). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2022, 15th ed. London: Global Legal Group, pp. 103-109.
- Mössner, P. (2022). Luxembourg. Interview with Dr. Phillip Mössner about Cannabis. June 16, 2022. AMCHAM website.
- Mössner, P. (2022). Germany. Initial Public Offerings 2022, 6th ed. London: Global Legal Group, Chapter “IPO 2022 – Germany”, pp. 68-79.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. Mondaq Comparative Guide to Capital Markets, London: Mondaq Ltd, Chapter “Luxembourg”.
- Mössner, P. (2022). Cannabis-Legalisierung in Deutschland und Luxemburg. Börsen-Zeitung, Sonderbeilage 70 Jahre Börsen-Zeitung – Partner des Finanzplatzes Luxemburg, 24.03.2022, Nr. 58, B4-5.
- Mössner, P. (2022). Luxemburg. How to Stay Competitive in a Highly-Regulated Environment, March edition: Luxembourg Official.
- Mössner, P. and Lindner, A. (2022). Luxembourg. The Legal 500 Country Comparative Guide, 4th ed. London: Legalease Ltd, Chapter “Corporate Governance: Luxembourg”.
- Mössner, P. and Papagiannidi, C. (2022). Luxembourg. The International Comparative Legal Guide to Real Estate 2022, 17th ed. London: Global Legal Group, Chapter 11, pp. 106-116.
- Mössner, P. and Lindner, A. (2021). Luxembourg. Warum der deutsche Immobiliensektor auf Luxemburg setzt. GoingPublic, December 2021, p. 48.
- Mössner, P. and Papagiannidi, C. (2021). Luxembourg. The Legal 500 Country Comparative Guide, 5th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. (2021). Grenzen überschreiten – Das Bessere ist des Guten Feind. Börsen-Zeitung, Sonderbeilage Finanzplatz Luxemburg, 30.10.2021, Nr. 210, B7.
- Mössner, P. and Lindner, A. (2021). Luxembourg. Mondaq Comparative Guide to Corporate Governance, London: Mondaq Ltd, Chapter “Luxembourg”.
- Mössner, P. and Lindner, A. (2021). Luxembourg. The International Comparative Legal Guide to Corporate Governance 2021, 14th ed. London: Global Legal Group, Chapter 12, pp. 94-100.
- Mössner, P. (2021). Luxembourg. Initial Public Offerings, 5th ed. London: Global Legal Group, pp. 73-84.
- Mössner, P. and Papagiannidi, C. (2021). Luxembourg. The International Comparative Legal Guide to Real Estate 2021, 16th ed. London: Global Legal Group, Chapter 12.
- Peter, M., Heinzmann, A., Mössner, P., Ostertag, M., Bartnik, M., Fernandez, M., Scollo, V. (2020). Luxembourg: From start-up to establishment: Paperjam Plus – Tax & Legal, January 2021, pp. 26-27.
- Mössner, P. and Papagiannidi, C. (2020).Luxembourg. The Legal 500 Country Comparative Guide, 4th ed. London: Legalease Ltd, Chapter “Real Estate: Luxembourg”.
- Mössner, P. and Lindner, A. (2020). Luxembourg. Corporate Governance, 13th ed. London: Global Legal Group, pp. 136-142.
- Mössner, P. (2020). Nachhaltige Finanzierungen sind aktueller denn je. Börsen-Zeitung (03.06.2020), Nr. 104, S. B 4.
- Mössner, P. (2019). Luxemburg bekennt sich zu nachhaltigen Finanzierungen. Börsen-Zeitung (27.04.2019), Nr. 81, S. B7.
- Peter, M., Heinzmann, A., Mössner, P., Ostertag, M. and Bolch, A. (2019). Encouraging a start-up mentality in law. Paperjam: Business zu Lëtzebuerg, pp. 6-7.
- Mössner, P. (2018). Luxembourg leads the way in sustainable finance. The Lawyer: The Tech Pioneers Issue, p. 76.
Dr Philipp Mössner, LL.M. (McGill)
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