Constantin Teetzmann

Philipp Osteroth is a Shareholder in the German Corporate/M&A team. He focuses his practice on M&A and Private Equity transactions and is an expert with particular experience in the real estate as well as the technology & telecommunications sector. He also has a special focus on matters regarding infrastructure 4.0 (especially in the logistics, mobility and defense industry) and regularly advises national and international clients on the structuring of joint ventures. Philipp has ...

Kati Beckmann is a partner in the German Finance Group with a focus on investment law, acquisition and corporate finance as well as financial restructurings. She advises sponsors and investors on fund formations, investments in and marketing of funds, as well as on regulatory requirements for specific institutional investors. Kati has also a wide-ranging experience in advising clients on the borrower and lender side regarding national and cross-border financing, refinancing transaction and in...

Henrik Armah is a shareholder and Co-Chair of the German Corporate/M&A Group. He advises international and domestic clients on M&A transactions, joint ventures and corporate transformations as well as all general matters of corporate law. He specializes in cross border transactions (buy side and sell side). Henrik’s clients include industry players as well as private equity funds, strategic investors and venture capitalists. As a recognized and highly experienced lawyer in the t...

Hanno Timner is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law, Labor and Employment Law and Litigation. Hanno, who practices law in Berlin, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hanno is held by other top lawyers in the same geographic and legal practice area.

Viviane Freifrau von Aretin is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Viviane Freifrau, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viviane Freifrau is held by other top lawyers in the same geographic and legal practice area.

Rainer Pietschmann Lawyer | Managing Partner Studied law at the Universities of Bochum and Bonn and at the University of Washington (Seattle, WA). Clerkship at the Court of Berlin. From 1989 to 1992 director of a German/ Italian trading company. From 1995 to 1997 Attorney (Partner) at Lauenroth & Partner (Berlin). Founded PIETSCHMANN Legal (Berlin) in 1997. Supervisory Board of Schrobsdorff Bau AG (Berlin). Main Areas of expertise Civil Construction Law, Real Estate Law, Public Procuremen...

Martin Hamer is a Partner in the Environmental Group in Germany. He focuses on environmental matters including soil and groundwater contamination, environmental permits, nature protection, waste management, mining and climate protection. Martin represents clients in complex permit procedures vis-à-vis public authorities, environmental liability litigation and public law contract negotiations. In addition, he advises on environmental and other regulatory matters in corporate and real es...

Friederike Engelmann-Matz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Friederike, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Friederike is held by other top lawyers in the same geographic and legal practice area.

Evgeniia Bokun-Viktorova is an Attorney at Law and a Professional Mediator, specializing in national and international litigation and arbitration. Her experience includes intellectual property rights, international business transactions, and trade law. She handles the filing of national and international trademarks, as well as opposition and revocation proceedings. Evgeniia has a talent for helping clients make strategic decisions that support their business goals. This includes, but goes bey...

Studies in mechanical engineering and process engineering at the RWTH Aachen and the Imperial College London (until 1991) Doctoral degree (Dr.-Ing.) at the ETH Zürich, Laboratory for Technical Chemistry (1991-95) Consultant (1991-95) in the area of process simulation und dynamics Patent attorney (since 1999), partner at Maikowski & Ninnemann (since 2000) LL.M. (European Intellectual Property Law) at the Kurt-Haertel Institute, Fernuni Hagen Since 2002 lecturer und since 2009 honorary...