ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,216, issued on Sept. 22, was assigned to ABELZETA INC. (Rockville, Md.).

"Method for determining titer of RNA viral vectors" was invented by Zefa Wang (Shanghai), Li Li (Shanghai), Hanning Zhang (Shanghai), Yilang Cao (Shanghai), Ting Han (Shanghai), Jishun Lu (Shanghai), Yi Hong (Shanghai) and Li Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides methods for rapidly assaying the titer of an RNA viral vector such as a lentiviral vector. The method can be used to quickly evaluate the titer of intermediate products in various steps of a lentiviral vector production process."

The patent was filed on Sept. 3...