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Dr. Christian Ruoff


Industrials | Life sciences | Mergers and acquisitions | Restructuring and capital solutions | Tax |

One of the best tax lawyers in Germany

Competitor testimony, JUVE Handbook Tax 2019

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About Dr. Christian Ruoff

Christian specialises in the tax structuring of acquisitions, corporate reorganisations, private equity and real estate transactions as well as providing tax advice to family-owned businesses.

He is known for developing creative and innovative structures that minimise tax and tax risk, while protecting against tax authority challenges.

Clients turn to him when they have large-scale mandates requiring cutting-edge tax advice often in the context of multijurisdictional transactions.

Part of his skill is his ability to integrate tax structuring advice seamlessly – even in the most complex of transactions.

Christian speaks German and English.

Recent work

  • Advising Continental AG on complex reorganisations (inter alia, relating to the separation of the Vitesco business) from a tax perspective.
  • Providing tax advice to Merck on the sale of its consumer health business to Procter & Gamble. (≈ EUR 3.5 bn)
  • Advising Takata on the tax structuring and other tax aspects of the EMEA part of its worldwide restructuring.
  • Providing tax advice on Maersk's acquisition of Hamburg Süd. (≈ EUR 3.5 bn)
  • Advising Boehringer Ingelheim on the swap of its consumer health care business with the animal health business of Sanofi. (≈ EUR 18 bn)
  • Advising on the tax structuring of various complex reorganisations of several family-owned groups of companies.



  • University of Munich, Germany (Dr. jur.)
  • Duke University, US (LLM)

Professional qualifications

  • Tax advisor, Germany
  • Tax lawyer, Germany
  • Attorney-at-law, Hamburg, Germany and New York, US

Professional memberships

  • Advisory board of the Hamburg Forum for Enterprise Taxation, Germany (chairman)

Additional responsibilities

  • Chairs a panel on corporate/transformation tax at the annual conference of the Hamburg Forum for Enterprise Taxation at Bucerius Law School, Hamburg, Germany
  • Lecturer on corporate tax law at Bucerius Law School, Hamburg, Germany


  • Enterprise Taxation, second edition, 2017 (eds. Lüdicke, Sistermann) Spin-offs and split-ups of corporations into corporations (co-author with Michael Tommaso)

  • Law of Debentures, 2017 (eds. Hopt/Seibt) Chapter 10: Tax law (including restructuring on the basis of the Debenture Act); Chapter 13: Tax aspects relating to restructurings of debentures outside the scope of the Debenture Act

  • Honorary publication on the occasion of the retirement of Dietmar Gosch, 2016 Section 50i of the German Income Tax Act - A critical analysis of the amendments in the ‘Croatia Alignment Act’

  • DStR 2015, 609 The income tax treatment of disproportionate split-ups and spin-offs of corporations (co-author with David Beutel)

  • Co-editor of and author in Schneider/Ruoff/Sistermann German Transformation Tax Act Decree 2011 (2012)