22 February 2022 / Following an opposition filed by Testbiotech, the European Patent Office (EPO) has amended a patent on CRISPR/Cas (EP 3401400) gene scissors. The Nobel Prize laureates, Jennifer Doudna and Emmanuelle Charpentier, are named among the inventors in the patent. The claims covering human, animal and plant cells were deleted, and intervention in the human germline explicitly excluded.