2 ms·well if they don't get it in 20 years, doesn't the patent expire?by dec0dedab0de 11y agowell if they don't get it in 20 years, doesn't the patent expire?aetherson 11y agoIt's a South Korean patent, no idea what their expiry is.nness 11y ago20 years on top of the application date, as far as my Googling returns. Seems like a fairly standard term.