Humanized anti-IL-6 antibodies

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Using tissue cell culture to make a protein or polypeptide

Reexamination Certificate

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C435S070100, C435S069100, C435S325000, C530S388230, C530S388150, C530S388100, C530S386000

Reexamination Certificate



The present invention relates to novel chimeric, humanized or CDR-grafted anti-IL-6 antibodies, including isolated nucleic acids that encode at least one such anti-IL-6 antibody, vectors, host cells, transgenic animals or plants, and methods of making and using thereof, including therapeutic compositions, methods and devices.

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International Search Report mailed Jun. 1, 2010 re: PCT/US2009/064321.


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