transgenic mice antibody production: Creative Biolabs has developed the Fully Human Antibody Technologyâ„¢ (FHAT) to produce fully human monoclonal antibodies in mice. As a leading custom service provider in human antibody production field, Creative Biolabs has in-licensed two strains of "humanized" transgenic mice (FHAT mice) and successfully demonstrated their applications in discovery and production of unique fully human antibodies against various targets.