Upsher-Smith Laboratories

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Upsher-Smith Laboratories
Privately held company
Industry Pharmaceuticals
Founded 1919
Headquarters Maple Grove, Minnesota, United States
Products Jantoven

Upsher-Smith Laboratories is a privately owned pharmaceutical company headquartered in Maple Grove, Minnesota. Founded in 1919 as a maker of digitalis drugs,[1] Upsher-Smith has traditionally focused on the manufacture of generic and "branded generic" medications,[2] most prominently Jantoven (generic Warfarin).[3]

The company acquired its wholly owned subsidiary, London-based Proximagen, in August 2012.[4]


  1. ^ Upsher-Smith History
  2. ^
  3. ^
  4. ^ "History". Proximagen website. Retrieved 22 June 2013.