Ariosa Diagnostics Email Format

Biotechnology ResearchCalifornia, United States51-200 Employees

Ariosa Diagnostics is a biotechnology research company focused on non-invasive prenatal testing. Its flagship Harmony prenatal test analyzes cell-free fetal DNA in maternal blood to estimate the risk of common genetic conditions with early, individualized information intended to guide reproductive decisions and reduce the need for invasive procedures like amniocentesis. The company serves pregnant women and their healthcare providers seeking safer, accessible insights into fetal health. Based in San Jose, California, it began operations in 2010 and operates within the molecular diagnostics segment of biotechnology.

In recent years, the company has faced patent litigation over methods for extracting fetal DNA from blood, including actions brought by Illumina in 2019 and 2020. Historically, Ariosa was acquired by Roche Diagnostics in early 2015, reflecting industry consolidation in prenatal molecular diagnostics.

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