With his team, Konstantin has successfully secured numerous unconditional merger control clearances from the European Commission and the Spanish Competition Authority (CNMC) across a wide range of industries, acting for many high-profile corporate clients. He also advises clients—particularly those based in German-speaking countries—in antitrust infringement proceedings in Spain and frequently represents them in subsequent court litigation, including before the Supreme Court.

Clients of the firm regularly turn to him for advice on distribution law matters. His background in German law makes him a trusted advisor for clients from German-speaking jurisdictions seeking legal guidance in Spain.

Prior to joining Garrigues’ Madrid team, Konstantin completed his legal traineeship (Referendariat) at the European Commission, the German Embassy in Tel Aviv, and the German Representative Office in the Palestinian Territories. He also worked for several years as an associate at Hogan & Hartson and Cleary Gottlieb Steen & Hamilton in Brussels.

Konstantin received his legal education from the Albert-Ludwigs-Universität in Freiburg im Breisgau, the Université Pierre Mendès France in Grenoble (Diplôme de Droit Français, 1991), the University of Cologne (First State Exam, 1994), the Berlin Court of Appeal (Second State Exam, 1997), and Georgetown University (LL.M., 1998).

Konstantin is a Visiting Professor at the Brussels Study Center (Brussels) where he teaches EU Competition Procedure and is co-director of the yearly European and Spanish Competition Law Course at the Universidad CEU San Pablo (Madrid).

Konstantin is emeritus member of the Executive European Alumni Advisory Board of Georgetown University Law Center.

For many years, Konstantin has been consistently selected by both clients and peers for inclusion in leading legal directories such as The Best Lawyers, Who is Who Legal and Chambers and Partners Europe (2026 edition: ""He has a client focus and dedication to finding the best solutions at all times."" He has a firm commitment to the customer.""He is very calm and has a lot of experience". "He takes a practical and well-applied approach") and Legal 500 (2026 edition:"Konstantin Jörgens is undoubtedly an expert in the field and an essential partner in transactions with competition law implications. His client focus and meticulous handling of matters make him a highly reliable professional"") in the practice area of Competition / Antitrust Law in Spain.

• Coautor “Car manufacturers cartel damages claims reach Spanish Courts”, [2024] 17 Global Competition Litigation Review., Issue 3, Regional Developments (Spain)
• Antitrust Rules" in “EU Competition Procedure”, edited by Luis Ortiz Blanco, Oxford University Press, fourth edition 2021 (co-author since the second edition)
• Chapter 12: “Cartels and Evidence - What is required to prove the regulators’ case” in: The Fights against Hard-Core Cartels in Europe (edt. José Maria Beneyto, Jerónimo Maillo, Bruylant, 2016).
• "Horizontal Agreements in EU Competition Law”, Chapter on "Procedure before the EU Commission" (edt. Frank Wijckmans/Filip Tuytschaever, Oxford University Press, 2015).
• “Quantification of competition law penalties in Spain as a result of recent Supreme Court case law”, Unión Europea Aranzadi; No. 3, 2015.
• Co-autor of "Global Einkaufen - Ein Überblick über das Einkaufsrecht Spaniens", (2014, published on website of Bundesverband Materialwirtschaft, Einkauf und Logistik (BME)).
• “Fusionskontroll - und Kartellrecht in Spanien“, Frankfurter Kommentar, 2012, updated 2016 (forthcoming); Chapter Fusionskontrolle und Kartellrecht in Spanien" in Handels- und Wirtschaftsrecht in Spanien (ed. Löber, Wicke Huzel, Editions für internationale Wirtschaft, Frankfurt 2008).
• “Important Developments in the field of EU competition procedure” Journal of European Competition Law and Practice, Oxford University Press, 2011.
• Co-author of country chapter Spain in “International Competition Litigation, A Multi-jurisdictional Handbook”, edt. Gordon Blanke / Renato Nazzini (Kluwer Law International, 2011).
• “Antitrust, Year-in-Review”, ABA Section of International Law, International Antitrust Law Committee, co-editor in 2009 and 2010, since 2005 co-author for "Spain".
• Country contributor for "Spain" in Global Competition Litigation Review (Sweet Maxwell), since 2007.