Patent 11667905 was granted and assigned to Hansa Biopharma on June, 2023 by the United States Patent and Trademark Office.
The present invention relates to a novel polypeptide which displays IgG cysteine protease activity, and in vivo and ex vivo uses thereof. Uses of the polypeptide include methods for the prevention or treatment of diseases and conditions mediated by IgG, and methods for the analysis of IgG.