Oakwood Laboratories is a privately owned specialty pharmaceutical company based in Ohio focused on the design, development and commercial manufacture of sterile injectable sustained release pharmaceuticals. Oakwood developed and owns a patented microsphere-based drug delivery platform called CHRONIJECT™ to produce these sustained release products. Oakwood Laboratories was founded as the research division of Ben Venue Laboratories. In 1997 it was spun off as a separate entity when Ben Venue was acquired by Boehringer-Ingelheim.