I tested it with some same faction jedi, they can NOT saberblock them. it's even listed as a melee attack in the combat log.
Sly
Proud Member of -BLOOD-
I HATE GRINDING)
"Invader's blood marches through my veins like giant radioactive rubber pants! The pants command me! Do not ignore my veins!"
Managing the Bloodmonks Weapon Facility (aka Sly's Slavepit), Producer of fine specialty weapons.