CMS advised Bruker on the acquisition of an additional 60% ownership stake in TOFWERK AG

On 6 January 2026, Bruker acquired an additional 60% ownership stake in TOFWERK AG, a Switzerland-based innovator in ultra-fast time-of-flight (TOF) mass spectrometry technology for small molecule applied markets, consolidating Bruker’s ownership to 100%.

The transaction adds ultra-fast TOF-MS technology for small-molecule markets, including atmospheric chemistry research, air quality monitoring, exposomics, foods, flavors & fragrances testing, and semiconductor cleanroom monitoring.

An international team, led by Stefan Brunnschweiler and Andrea Relly, advised Bruker on all legal matters of the transaction.

CMS Switzerland

• Stefan Brunnschweiler, Managing Partner, Corporate / M&A
• Andrea Relly, Counsel, Corporate / M&A
• Samuel Gang, Senior Associate, Corporate / M&A
• Alexander Salamon, Associate, Corporate / M&A
• Miryam Meile, Senior Associate, Employment
• Helena Loretan, Senior Associate, Real Estate
• Roxana Sharifi, Senior Associate, Commercial

CMS Germany

• Thomas Hirse, Partner, IP/IT

CMS China

• Ulrike Glück, Managing Partner, Corporate / M&A
• Kevin Wang, Counsel, Corporate / M&A

CMS Italy

• Fabrizio Spagnolo, Partner, Employment
• Gian Marco Lettieri, Senior Associate, Employment

 CMS Norway

• Ida Grøstad, Associate Partner, Employment

Troutman Pepper Locke

• Jeff Jefferson, Partner, Corporate / M&A
• Daniel N. Anziska, Partner, Corporate / M&A
• Breaux Baleigh, Associate, Corporate / M&A
• Heather L. Papaleo, Paralegal

CITY-YUWA PARTNERS Japan

• Sayako Tsukamoto, Partner, Corporate / M&A
• Takako Okamura, Associate, Corporate / M&A

BAE, KIM & LEE LLC

• Byoung-Ki Lee, Partner, Corporate / M&A
• Sung-Ho Moon, Senior Foreign Attorney, Corporate / M&A