Jan 5, 2015, 02:27 PM
All Legendaries have 3 IV's like the other said. It also seems they have a higher chance to get 15+ IVs in each stat. Randomly caught a Latios with 5 31 IVs and a 25 as the last one. I haven't heard if this is officially a thing, but most of my legendaries have had all stats with 20+ IVs.