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TruGenX claims that Thermo Fisher's technical support did not resolve testing issues for months, damaging its business and reputation.
Of the 32 companies in the index, 21 firms saw their stock prices increase, while 11 firms' share prices decreased.
Ravgen has alleged that several leading NGS-based non-invasive prenatal testing and oncology assays infringe two patents held by the firm.
CareDx first sued Natera in March 2019 for infringing two of its patents, then amended the suit a year later to add a third patent.
Williams v Quest/Athena struck a nerve with the genetic testing community by probing what the standard of care is and ought to be for variant classification.
Last month, the court also ordered two separate patent lawsuits filed by Natera against ArcherDx this year to be consolidated into one.
Natera previously filed infringement lawsuits against ArcherDx around four other patents related to cell-free DNA detection in oncology.
Magnolia said that the court found that its product claims were not misleading. However, Kurin's CEO said that over the years, Magnolia has displayed a pattern of exaggeration.
The US DOJ alleged that the company conspired to "artificially delay" ordering its MammaPrint test in order to circumvent Medicare's 14-day rule.
In January a federal court unsealed a False Claims Act suit from an industry insider that alleges a Myriad subsidiary engaged in a fraudulent kickback scheme.