Anti human ovarian cancer-anti CD3 bispecific antibody

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Blood proteins or globulins – e.g. – proteoglycans – platelet...

Reexamination Certificate

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C530S387700

Reexamination Certificate

active

10478345

ABSTRACT:
The present invention provides an anti-ovarian cancer bispecific antibody. Said antibody includes two polypeptide domains connected by a polypeptide linker, one is anti-ovarian cancer antibody, or its Fab fragment, single complementarity determining region (CDR) antibody or single chain Fv (scFv) and the other is anti-CD3 antibody, or its Fab fragment, single CDR antibody or scFv. The present invention also provides DNA sequences encoding said antibody, an expression vector containing said DNA sequence, and a host cell containing said expression vector.

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patent: 6132992 (2000-10-01), Ledbetter et al.
patent: 6146628 (2000-11-01), Uckun et al.
patent: 0505908 (1992-09-01), None
patent: 93/16185 (1993-08-01), None
patent: 03/04648 (2003-01-01), None
Kriangkum et al (Hybridoma, 2000, 19:33-41).
Kriangum et al (Hybridoma, Feb. 2000, 19:33-41).
Marken et al (J of Biological Chemistry, 1994, 269, 73977401).

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