Leica Biosystems

Leica Biosystems, founded 1872 as Precision Engineering,[1] is a medical devices company that develops and supplies clinical diagnostics to the pathology market.

A research and development facility concentrating on companion diagnostics for cancer drugs has been in operation in Danvers, Massachusetts since August 2012.

[2] The Massachusetts facility has partnered with Galena Biopharma to develop companion diagnostics for a breast cancer vaccine.

[3] In 2024, Leica Biosystems announced the relocation of its Companion Diagnostics and Advanced Assays business to Newcastle, United Kingdom.

[7] The company partners with Mayo Clinic’s Department of Laboratory Medicine and Pathology in developing cytogenetics imaging software.