Helen Rofe

A court has found Ariosa Diagnostics infringed a patent held by Sequenom for a noninvasive prenatal genetic test, and ruled one claim of the patent invalid for lack of fair basis.

Global pharmaceutical giant Pfizer has successfully defended the patent for its sedative drug Precedex against a validity challenge, a big win for the drug maker after a US court found last year that its patents for a ready-to-use version of the drug were invalid for obviousness.