You can bet your boots that if Trump wins the election the anti-American Obama will be issuing pardons willi-nilli in massive numbers.
If Obama is breaking laws in concert with the DNC then maybe a court would overturn any and every Pardon since it would be RICO.
I think you are 100% right, and will include Joe Biden. My question would be, can he pardon himself, or does he resign in January, and let Joe Biden pardon him too?