The present invention relates to human CD3 antigen-binding polypeptides and their preparation and use in the treatment and/or diagnosis of various diseases, and also relates to bispecific antibody molecules capable of activating immune effector cells and their use in diagnosis and/or treatment of various diseases.

The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.

The present disclosure provides Fc domain variants, including effector-competent Fc domain variants. The present disclosure also provides nucleic acids encoding Fc domain variants and host cells for making Fc domain variants. Methods for increasing the yield of Fc domain variants, and methods of using Fc domain variants to treat disease, are also provided.

The present invention relates to antibodies that specifically bind CD3. The present invention relates to antibodies that specifically bind PSMA. The present invention relates to antibodies that specifically bind CD3 and PSMA. The present invention relates to antibodies that specifically bind IL1RAP. The present invention relates to antibodies that specifically bind CD33. The present invention relates to antibodies that specifically bind CD3 and IL1RAP. The present invention relates to antibodies that specifically bind CD3 and CD33. The present invention relates to antibodies that specifically bind TMEFF2. The present invention relates to antibodies that specifically bind CD3 and TMEFF2. The present invention relates to fragments of the antibodies, polynucleotides encoding the antibodies or fragments thereof, and methods of making and using the same.

The present invention relates, in part, to agents, chimeric proteins and protein complexes that bind fibroblast activation protein (FAP) and their use as diagnostic and therapeutic agents. The present invention further relates to pharmaceutical compositions comprising the FAP binding agents, chimeric proteins and protein complexes and their use in the treatment of various diseases.

The present disclosure is generally directed to compositions that include antibodies, e.g., monoclonal, antibodies, antibody fragments, etc.. that specifically bind a MS4A4A polypeptide, e.g., a mammalian MS4A4A or human MS4A4A, and use of such compositions in preventing, reducing risk, or treating an individual in need thereof.

Among other things, the present disclosure provides technologies for site-directed conjugation of various moieties of interest to target agents. In some embodiments, the present disclosure utilizes target binding moieties to provide high conjugation efficiency and selectivity. In some embodiments, provided technologies are useful for preparing antibody conjugates.

The present disclosure provides for antibody-oligonucleotide conjugates, methods of preparation thereof, and methods of use thereof. Also provided are related compounds, compositions and kits.

The invention relates to multispecific antibodies binding to CD3 and CD30. The invention further provides pharmaceutical compositions comprising antibodies of the invention, nucleic acids encoding the antibodies, host cells that produce the antibodies, methods of producing the antibodies and uses of the antibodies, in particular for cancer therapy.

The present disclosure provides humanized antibodies that specifically bind to CD3 with an optimized affinity and induce T cell-mediated killing of tumour related target antigen high expressing cells with high potency but have limited killing activity on target antigen low expressing cells. The present disclosure also provides bispecific antibodies comprising a first antigen-binding domain that specifically binds to human CD3 with optimized affinity and a second antigen-binding molecule that specifically binds a tumor-related antigen. The disclosure further relates to methods of generating such humanized antibodies and bispecific antibodies for biological, diagnostic, pharmaceutical and other uses.