To the OP, yes the tire in question is equivalent to 35's. A lot of tires measured in inches aren't exactly what they imply. Most 35in tires measure less and are just rounded up. If you go to any manufacturer's website, they will have a spec sheet breaking down the actual measurements of the tires.
'09 X Unlimited, 4WD, auto, half-doors, soft-top
RC 2.5" Series II BB, JKS Quick Discos, JKS adjustable front track bar
15x8 Unique 297 (Soft 8), Goodyear MTR/Kevlar 35x12.50R15
5.13 gears, ARB front locker, Currie front shafts
Bushwacker flat flares, Rubicon rails with steps added