| ADC | Antibody–Drug Conjugate |
| BsADC | Bispecific Antibody–Drug Conjugate |
| CQA | Critical Quality Attribute |
| HER2 | Human Epidermal Growth Factor Receptor 2 |
| DAR | Drug-to-Antibody Ratio |
| LC-MS | Liquid Chromatography–Mass Spectrometry |
| RP-HPLC | Reversed-Phase High-Performance Liquid Chromatography |
| CEX- | Cation-Exchange Chromatography |
| m/z | Mass-to-Charge Ratio |
| LOQ | Limit of Quantitation |
| L-P | Linker–Payload |
| r2 | Coefficient of Determination |
| ELISA | Enzyme-Linked Immunosorbent Assay |
| F(ab′)2 | Fragment antigen-binding (divalent) |
| Fc/2 | Half-Fc fragment |
| RSD | Relative Standard Deviation |
| DSF | Differential Scanning Fluorimetry |
| FcRn | Neonatal Fc Receptor |
| FcγRIII | Fc Gamma Receptor III |
| C1q | Complement Component 1q |
| IC50 | Half-Maximal Inhibitory Concentration |
| MoA | Mechanism of Action |
| ADCC | Antibody-Dependent Cell-Mediated Cytotoxicity |
| CDC | Complement-Dependent Cytotoxicity |