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QIAGEN Defends QuantiFERON IP: A Legal Battle for TB Testing Innovations

Marcus LeeMonday, Mar 3, 2025 1:07 am ET
1min read

QIAGEN N.V. (NYSE: QGEN), a global leader in molecular diagnostics, has taken legal action to protect its intellectual property and maintain market exclusivity for its proprietary QuantiFERON technology. The company filed a patent infringement lawsuit against bioMérieux S.A. (EPA: BIM) in the German Unified Patent Court, specifically concerning European Patent EP 2 276 883 B2 related to its QuantiFERON-TB Gold Plus test. This legal move underscores QIAGEN's commitment to safeguarding its innovations in latent tuberculosis (TB) testing.



The QuantiFERON-TB Gold Plus test, endorsed by the World Health Organization (WHO) and the U.S. Centers for Disease Control and Prevention (CDC), is a critical advancement in TB detection. Unlike traditional skin tests, it provides more reliable and objective results through a blood-based interferon-gamma release assay (IGRA) technology. This testing approach has earned endorsements from leading health organizations due to its ability to accurately identify latent TB infection, which affects approximately one-quarter of the world's population.

QIAGEN's recent success in defending another QuantiFERON-related patent against SD Biosensor in Germany further demonstrates the strength of its patent portfolio and its commitment to protecting its intellectual property. The company's aggressive legal strategy suggests that it is determined to maintain market exclusivity for its TB testing technology, which could have significant implications for competitors developing similar technologies.

For investors, patent litigation outcomes can significantly impact competitive positioning in the diagnostics market. Successful enforcement of QIAGEN's patent rights against bioMérieux could protect the company's revenue stream from its QuantiFERON technology while potentially limiting market access for competitors. A favorable ruling from the German Unified Patent Court could provide qiagen with powerful remedies, such as pan-European injunctions against bioMérieux's potentially infringing products.

The strategic choice to file the lawsuit in Germany's UPC is a calculated move by QIAGEN. This relatively new court system provides a streamlined approach to patent enforcement across multiple European jurisdictions. A favorable ruling could have a broader impact on bioMérieux's operations and market access in Europe, as well as strengthen QIAGEN's global reach and reputation.

In conclusion, QIAGEN's legal action against bioMérieux highlights the company's commitment to protecting its intellectual property and maintaining market exclusivity for its QuantiFERON technology. The outcome of this legal battle could have significant implications for both companies' market access, global reputation, and the broader landscape of TB diagnostics and control efforts. As the case progresses, investors and industry stakeholders will closely monitor the developments, as the results could shape the competitive dynamics in the TB diagnostic market.
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03/03
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