Martin Lange advises on all matters relating to banking and banking supervisory law as well as corporate and insolvency law. He is also active in the area of compliance. His clients include major banks, state banks, development banks, savings banks, local cooperative banks and insurance companies as well as independent distributors and small and medium-sized enterprises. In addition to providing legal advice, he represents financial service providers in court. Since 2001, Martin Lange has been lecturer for banking and capital market law at the University of Bielefeld. Since 2008, he also has been a specialist banking and capital market lawyer. 

He is Chairman of the Specialist Banking and Capital Markets Lawyers Committee at the Bar Association of Hamm and Director of the German Institute of Lawyers for Banking Law. He is also a lecturer in the postgraduate "Real Estate Law" course at the University of Münster.

The current JUVE Handbook of Corporate Law Firms 2023/24 names Martin Lange as a frequently recommended lawyer in the field of banking law ("professionally experienced"). In the JUVE Handbook of Corporate Law Firms of the past two years, clients also emphasize his outstanding expertise ("very well-founded and thorough", "highly competent (walking encyclopedia), absolute client focus", JUVE Handbook of Commercial Law Firms 2022/2023; "well networked, great forensic experience, clear risk assessment"; JUVE Handbook of Commercial Law Firms 2021/2022. According to, Martin Lange is a "first-class lawyer in banking law".

Before joining Grüter, Martin Lange was a partner at the law firm Streitbörger for more than two decades.

He speaks English.

After training as a banker, Martin Lange studied law in Münster. He completed his studies in 1993 with the first state law exam. During his studies, he worked as student, later as research assistant at the Institute for International Business Law (Prof. Dr. Sandrock) at the University of Münster. In 1995, he obtained his doctorate degree on a banking law topic and passed the second state law exam at the Higher Regional Court of Hamm. He was admitted to the bar in 1996. In 1999, he became a partner in the law firm Streitbörger. In 2000, he became Deputy Chief Executive Officer of the Rural District of Friesland. From November 2000 to 31.12.2022, he was a partner in the law firm Streitbörger PartGmbB.

Heßlerstraße 40
59065 Hamm

Die Klauselwerke der Kreditwirtschaft, eine Untersuchung ausgewählter Probleme (The clauses of the banking industry, an examination of selected problems), doctoral thesis, Münster 1995;

Joint Ventures als Instrument zur Überwindung der technologischen Lücke in Ost- und Süd-Ost-Europa (Joint ventures as an instrument to bridge the technological gap in eastern and south-eastern Europe), Bochum 1991 (co-authoried with K. Matusiak);

Les conditions de vente aux enchères, ICC-Publication Nr. 484, Paris 1991, 375;

Neue Bedingungen für den Sparverkehr: Sparbuch – quo vadis? (New conditions for savings transactions: Savings book – quo vadis), BB 1993, 1667;

Kündigungen durch einen Vertreter ohne Vertretungsmacht. Bedeutung der Rückwirkung der Genehmigung gemäß § 184 BGB (Termination by a representative without power of representation - Significance of the retroactive effect of the approval pursuant to Section 184 of the German Civil Code), Festgabe für Prof. Sandrock, Heidelberg 1995, 243;

Absolute oder relative Börsentermingeschäftsfähigkeit? (Absolute or relative stock exchange futures capacity?), WM 1997, 904, co-authored with Prof. Dr. Batereau;

Co-author of „Handbuch der Handelsgeschäfte“ (Commercial transactions handbook) (ed. Prof. Pfeiffer), Cologne 1999;

Das neue Verjährungsrecht in der Bankpraxis (The new statute of limitations in banking practice) - Sparkassenheft 285, 1st ed. Stuttgart 2004, 2nd ed. Stuttgart 2005;

Comment on BGH, order of 02.06.2005 - V ZB 32/05 - Rechtsfähigkeit einer Wohnungseigentümergemeinschaft (Legal capacity of condominium owners' associations), BKR 2005, 418;

Müssen Kreditinstitute von der Globalzession Abschied nehmen? (Do banks have to bid farewell to the general assignment?), BKR 2006, 230;

Restschuldversicherung und verbundenes Geschäft (Payment protection insurance and related business), BKR 2007, 493;

Co-author in Sladeck/Heffner/Graf Brockdorff (eds.), Insolvenzrecht – Aktuelle Schwerpunkte aus Gläubigersicht (Insolvency law - Current focuses from the creditor’s point of view), Stuttgart 2008, pp. 527-556;

Zur höchstrichterlichen Rechtsprechung im Bankrecht 2022 (Case law of the highest courts on banking law in 2022), BADK-Information 1/2023, 22-42;