NEW YORK (GenomeWeb News) — The European Patent Office has revoked an Affymetrix patent covering expression microarrays, Agilent Technologies said today.

Agilent, together with array firms CombiMatrix and Clondiag, filed oppositions to the patent, EP 0853679, nearly nine years ago. The patent is titled "Expression Monitoring by Hybridization to High Density Oligonucleotide Arrays."

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