dna-strand.jpgIPNews® – A Sequenom patent for a prenatal DNA test was once again ruled invalid, this time by the U.S. Court of Appeals.

The DNA blood test which detects fetal chromosomal abnormalities can be performed as early as 10 weeks into a pregnancy and the test is considered superior to other tests because it is

dna-strand.jpgIPNews® – A judge recently ruled that the patent for a prenatal test should not have been issued to San Diego based bio-tech company Sequenom.

Sequenom received the patent for the pre-natal test called MaterniT21.  However, a judge ruled that this patent should never have been awarded on the grounds that it covered a “natural