ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,592, issued on May 27, was assigned to Oxford BioMedica (UK) Ltd. (Oxford, Great Britain).

"Retroviral vector" was invented by Hannah Stewart (Oxford, Great Britain), Helen Maunder (Bicester, Great Britain), Kyriacos Mitrophanous (Oxford, Great Britain) and Daniel Farley (Oxford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell for producing retroviral vectors comprising nucleic acid sequences encoding: i) gag-pol; ii) env; iii) the RNA genome of the retroviral vector; and iv) optionally rev, or a functional substitute thereof, wherein at least two nucleic acid sequences are located at the same genetic locus; and wherein the at le...