MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202617013858 A) filed by Araris Biotech AG on February 09, 2026, for Antibody-Drug Conjugates Using Two Different Types Of Topoisomerase I Inhibitors.

Inventors include Bertrand, Romain; Attinger-Toller, Isabella; Probst, Philipp; Fay, Rachael; Kallenberger, Lia; Grabulovski, Dragan; and Spycher, Philipp.

The application for the patent was published on June 19, 2026, under issue no. 25/2026.

Abstract: Described is an antibody-drug conjugate (ADC) having the formula A-L, wherein A is an antibody or an antibody fragment and wherein L is a linker, said linker comprising: as a first payload a topoisomerase I inhibitor which is cell-permeable, preferably...