Atty. Justus Jansen
Dr Justus Jansen (Lawyer of the Year Litigation, Hamburg, 2020, Lawyer of the Year Trade Law, Hamburg, 2022) is heading the Dispute Resolution practice group at GSK Stockmann since 2014. The team has 23 members and is thus considered one of the largest dispute resolution teams in Germany with widely recognised expertise and track record in commercial, banking & finance, energy, international plant engineering and corporate disputes as well as in post-M&A disputes.
Arbitration And Mediation & More Attorney · 22+ Years Experience
Profile Summary
About Justus Jansen at a Glance
Justus Jansen is a business, litigation, adr, and international attorney, practicing at GSK Stockmann. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in Germany (2004). Recognitions include Best Lawyers in America — Arbitration and Mediation (2026), Best Lawyers in America — Corporate Law (2026), and Best Lawyers in America — International Arbitration (2026). Serves clients in Hamburg and the surrounding metropolitan area.
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About Justus Jansen
Dr Justus Jansen (Lawyer of the Year Litigation, Hamburg, 2020, Lawyer of the Year Trade Law, Hamburg, 2022) is heading the Dispute Resolution practice group at GSK Stockmann since 2014.
The team has 23 members and is thus considered one of the largest dispute resolution teams in Germany with widely recognised expertise and track record in commercial, banking & finance, energy, international plant engineering and corporate disputes as well as in post-M&A disputes. In addition, investment protection proceedings have become an elementary part of the Dispute team’s ongoing advisory practice. Currently, the firm is involved in a large number of arbitration proceedings under various arbitration rules, in particular the rules of the German Arbitration Institute (DIS) as well as ad hoc arbitration proceedings. Justus Jansen is himself is regularly active as arbitrator as well as in arbitrator’s expert proceedings.
- Specialisation: international arbitration and complex court proceedings
Short Biography:
- Lawyer at GSK Stockmann since 2014
- Member of the Arbitration Commission of the International Chamber of Commerce (ICC)
- Member of the Task Force of the International Chamber of Commerce (ICC) on Climate Change related Disputes
- Lecturer for Litigation and Arbitration Law and Corporate Law at the Hamburg School of Business Administration (HSBA) in the MA and MBA Programme since 2011
- Lecturer for Dispute Resolution and Private International Law at the International School of Management (ISM) in Hamburg from 2014 to 2015
- Studies at the Universities of Hamburg, Constance, Bordeaux (Université Michel de Montaigne, France), Cambridge (Sidney Sussex College, Great Britain) and Perugia (Italy)
Recent Publications:
Practice Areas Explained
Justus Jansen's Areas of Legal Practice
Each practice area below reflects the types of cases Justus Jansen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Hamburg.
Business & Corporate Law in Hamburg
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Justus Jansen is one of 497,491 business attorneys indexed nationally. Browse business attorneys →
Civil Litigation in Hamburg
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Justus Jansen is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys →
Mediation & Arbitration in Hamburg
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
Justus Jansen is one of 73,315 adr attorneys indexed nationally. Browse adr attorneys →
International Law in Hamburg
International law attorneys for cross-border transactions, trade, foreign investment, and treaties.
Justus Jansen is one of 39,787 international attorneys indexed nationally. Browse international attorneys →
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Professional Profile
Why Clients in Hamburg Choose Justus Jansen
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Justus Jansen's practice in the field of business, litigation, adr, and international.
Decade-Tested Legal Experience
Justus Jansen brings 22+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering business, litigation, and adr, Justus Jansen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Hamburg
A Hamburg-based practice means Justus Jansen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Justus Jansen Handles in Hamburg
Below is a representative sample of the types of matters Justus Jansen has experience with. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Justus Jansen directly to discuss the specifics of your situation.
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Justus Jansen's Practice Areas & Specializations
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