Left on the Sidelines: The Canadian Patent Appeal Board Rules that Artificial Intelligence Cannot Hold Inventorship Status
                        
                        
                                                    
                                
                            
                                                Whether AI can be an “inventor” was the key issue in an important recent ruling of the Canadian Patent Appeal Board (the “PAB”). In Thaler, Stephen L. (Re), 2025 CACP 8, the PAB had to decide whether Canadian Patent Application No. 3,137,161, which  …