Editing Biogen (section)

===Acquisition history===
The following is an illustration of the company's major mergers and acquisitions and historical predecessors (this is not a comprehensive list):
{{Tree list}}
*'''Biogen'''
**Biogen IDEC
***Biogen <small>(Est 1978)</small>
***IDEC Pharmaceuticals
**Conforma Therapeutics <small>(Acq 2006)</small>
**Fumapharm AG <small>(Acq 2006)</small>
**Syntonix Pharmaceuticals <small>(Acq 2007)</small>
**Convergence Pharmaceuticals <small>(Acq 2015)</small>
**Nightstar Therapeutics <small>(Acq 2019)</small>
**[[Reata Pharmaceuticals]] <small>(Acq 2023)</small>
**Human Immunology Biosciences (HI-Bio) <ref name="auto1" />

{{Tree list/end}}