Hannes Janßen
About Hannes Janßen
Hannes Janßen is a lawyer based in Cologne, DE and has been recognized in Best Lawyers: Ones to Watch in Germany™ since 2025. Hannes Janßen is recognized in the following practice area:
- Cologne, Germany
- Litigation
Current Firm: Osborne Clarke
Location: Cologne, DE
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Kaan Gürer is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, European Union Law and Litigation. Kaan, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kaan is held by other top lawyers in the same geographic and legal practice area.
Born in 1960 Apprenticeship as banker 1981 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1986 Postgraduate studies at the University of Pennsylvania, Philadelphia, USA, 1986 - 1987 Master of Laws (LL.M.) 1987 Doctor of Laws (Dr. jur.) 1989 Second (Bar) Exam ("2. Staatsexamen") in 1990 Bar admission in Germany in 1990, with the firm since then Admission to the New York bar in 1991 Certified Specialized Attorney in International Business Law since 2014 Member...
Wolf Zur Nieden is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Wolf, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wolf is held by other top lawyers in the same geographic and legal practice area.
Dr Karl Friedrich Dumoulin primarily advises companies on issues of national and international commercial law in their day-to-day business (supply and service agreements, cooperation and distribution agreements, questions relating to competition law and IP law, in particular trademark applications, licence agreements). Dr Dumoulin also represents his clients before courts, offices and courts of arbitration in these areas. In particular, Dr Dumoulin specialises in the field of financial servic...
Achim Compes is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Achim, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Achim is held by other top lawyers in the same geographic and legal practice area.
Michael Schmidt-Versteyl is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Michael, who practices law in Düsseldorf, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.
Michael Schaumann is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Michael, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.
Sebastian Faust is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Mergers and Acquisitions Law. Sebastian, who practices law in Düsseldorf, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.
Born in 1976 Legal studies at Bielefeld University, 1995 - 2000 Supplementary studies in informatics at Bielefeld University, 1996 - 1998 First Exam ("1. Staatsexamen") in 2000 Postgraduate studies in legal informatics at the Universities of Hannover and Vienna, 2000 - 2001 Research associate at Bielefeld University, 2001 - 2002 Legal clerkship ("Referendariat") in Bielefeld and Düsseldorf, 2002 - 2004 Doctor of Laws (Dr. jur.) 2004 Second (Bar) Exam ("2. Staatsexamen") in 2004 Worked ab...
Dipl.-Kfm. Dr. iur. Maximilian Koch is the Managing Director and Founder of KOCH Rechtsanwaltsgesellschaft mbH in Dusseldorf, Germany. He studied economics at the University of Hagen (Diplom-Kaufmann) and law at the University of Osnabruck (1st legal state exam with honors, ranking among the top 5% of graduates), in addition to earning his Dr. iur. "summa cum laude". After completing his legal clerkship in Lower Saxony, he excelled in the 2nd state law examination, achieving a high distinctio...
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
What Disqualifies You From Filing Bankruptcies
by Bryan Driscoll
A guide to navigating eligibility, the means test and the legal hurdles of declaring bankruptcy.
What Happens if You Don't File Taxes
by Bryan Driscoll
The penalties are real, but so are your options. Here's what the IRS can do and what you can do about it.