EPO opposes Crucell patent
The Opposition Division of the European Patent Office has restricted a patent on Dutch biotechnology firm Crucell NV's PER.C6 cell line.
In the recently granted Europatent 1161548, Crucell tried to strengthen the protection surrounding its PER.C6 cell line used as a human expression system. The Opposition Division of the EPO has restricted this patent. The product claim now only relates to immortalized human embryonic retinal cells comprising a gene for monoclonal antibodies or erythropoietin. It does not protect cells used for producing human or viral proteins.
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