In the case of this formulation patent the claims are very broad:
Claim 1 of US9114166: A stable liquid aqueous pharmaceutical formulation comprising: a human anti-human Tumor Necrosis Factor alpha (TNFa) IgG1 antibody at a concentration of 50 mg/ml, wherein the antibody comprises the light chain variable region and the heavy chain variable region of D2E7, and a buffer system; wherein the formulation is isotonic, suitable for single-use subcutaneous injection, and has a pH of 4.0 to 8.0