Jörn Grotjahn
About Jörn Grotjahn
Jörn Grotjahn is a lawyer based in Berlin, DE and has been recognized in The Best Lawyers in Germany™ since 2022. Jörn Grotjahn is recognized in the following practice areas:
- Berlin, Germany
- Biotechnology Law and Life Sciences Practice
- Health Care Law
- Pharmaceuticals Law
Current Firm: GNP Rechtsanwälte Geiger Nitz Partner mbB
Location: Berlin, DE
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Christoph Schröder is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Christoph, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christoph is held by other top lawyers in the same geographic and legal practice area.
Georg von Wallis chairs the firm’s German Tax Group. For more than 25 years, Georg has been advising clients on all tax aspects of finance and corporate transactions, in particular in cross-border situations in the media as well as the real estate sectors. Georg has wide-ranging experience handling tax litigation, VAT and other indirect taxes. He represents national and international financial institutions, major media and entertainment companies, private equity and venture capital fund...
Michael Heise is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael, who practices law in Berlin, 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.
Amos Veith is a partner of POELLATH's private funds practice in Berlin. He has practised tax and corporate law since 2000 and assisted clients in structuring and reviewing several hundred venture capital and private equity funds and similar alternative investments. He provides fiscal and legal advice to domestic and foreign institutional and private investors and initiators in the foregoing fields of closed-end funds. His clients include many well-known international banks, insurance companie...
Timo Winkelmann is a partner in the Real Estate practice group at POELLATH in Berlin. He advises national and international clients on all matters related to real estate law. The focus of his practice is real estate transactions. In addition to share and asset deals, he supports his clients regarding asset management, e.g., conclusion of lease agreements. From time to time, he is involved in post-M&A disputes. Before joining POELLATH in 2008, he was working at an US law firm in the M&...
Hans Georg Helwig is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Hans Georg, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hans Georg is held by other top lawyers in the same geographic and legal practice area.
Lucas focuses on competition/antitrust, foreign trade, and regulatory law. He advises companies, particularly in technology-driven sectors, on structuring and executing joint ventures, cross-border mergers, infrastructure partnerships, and restructurings, with a strong emphasis on regulatory compliance and competition law. Additionally, he assists clients with foreign direct investment (FDI) control in cross-border transactions as well as in matters of sanctions and export control law. Anothe...
Niclas Hellermann is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Public Law. Niclas, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Niclas is held by other top lawyers in the same geographic and legal practice area.
Born in Duisburg in 1974, Dr. Kostja von Keitz studied law in Düsseldorf. He received his doctorate in European nature conservation and national administrative procedural law in 2005, with a thesis on the subject of “The Legal Protection of Private Individuals against Special Areas of Conservation”. He began his career as a lawyer in 2005, working initially for a major international law firm. He became a specialist in administrative law 2008 and joined ZENK in 2009. He has be...
Explore and Learn
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.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
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 File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
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.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.