▁and ▁economic ▁freedom ▁in ▁the ▁courts . ▁To ▁that ▁end , ▁PL F ▁att or ne ys ▁provide ▁pro ▁b ono ▁legal ▁representation ▁to ▁clients , ▁file ▁am icus ▁cur iae ▁brief s , ▁and ▁particip ate ▁in ▁administrative ▁proceed ings ▁with ▁the ▁goal ▁of ▁supporting ▁property ▁rights , ▁equality ▁before ▁the ▁law , ▁freedom ▁of ▁speech ▁and ▁association , ▁economic ▁liberty , ▁and ▁separation ▁of ▁powers . ▁They ▁have ▁represented ▁clients ▁in ▁ 1 4 ▁cases ▁before ▁the ▁United ▁States ▁Supreme ▁Court . ▁ ▁PL F ▁is ▁a ▁non - pro fit ▁organization ▁under ▁Section ▁ 5 0 1 ( c )( 3 ) ▁of ▁the ▁In ternal ▁Re venue ▁Code . ▁It ▁does ▁not ▁charge ▁for ▁legal ▁services , ▁but ▁instead ▁is ▁fund ed ▁by ▁don ations ▁from ▁individuals ▁( 5 3 % ), ▁found ations ▁( 1 7 % ), ▁and ▁associations , ▁small ▁business es ▁and ▁corpor ations ▁( 1 7 %). ▁Ex cept ▁for ▁court - a ward ed ▁att orney ▁fe es ▁for ▁case ▁vict ories , ▁the ▁organization ▁receives ▁no ▁money ▁from ▁government . ▁ ▁The ▁organization ▁was ▁founded ▁in ▁ 1 9 7 3 , ▁making ▁it ▁the ▁first ▁and ▁oldest ▁libert arian ▁public ▁interest ▁law ▁firm . ▁ ▁History ▁ ▁In cor por ated ▁in ▁Sac r amento , ▁California , ▁on ▁March ▁ 5 , ▁ 1 9 7 3 , ▁PL F ' s ▁original ▁staff ▁was ▁composed ▁mainly ▁of ▁individuals ▁who ▁had ▁been ▁a ▁part ▁of ▁then - G overn or