LifeSpan is the industry leader in molecular pathology. LifeSpan sells antibodies, immunohistochemistry services and localization databases. Founded in 1995, LifeSpan has developed proprietary antibodies to major classes of drug targets to study the expression of these proteins in normal and diseased human tissues.

LifeSpan is also a leader in high-throughput imaging and cancer recognition software and is developing instruments and software for pathology interpretation in preclinical toxicology and cancer diagnostics. LifeSpan's clients include more than 100 pharmaceutical companies in the United States, Europe, and Japan.