Northern Staff, Northern Spear

 
Prerequisite(s): Base Attack Bonus 4+, Weapon Focus (Staff)
 
Benefit: While fighting with a short spear, snake spear, or quarter staff, you may attack opponents who are 10ft away as if you had a reach weapon. In any round that you use this feat, you may not attack adjacent opponents with your staff or spear.
 
Source: Mongoose Ultimate Feats