iting ▁sm oking ▁in ▁all ▁areas , ▁these ▁critics ▁argue , ▁would ▁eliminate ▁the ▁compet itive ▁advantage ▁of ▁these ▁establish ments . ▁ ▁Leg ality ▁of ▁smoke - free ▁reg ulations ▁Business es ▁affected ▁by ▁smoke - free ▁reg ulations ▁have ▁file d ▁law su its ▁claim ing ▁that ▁these ▁are ▁un const itution al ▁or ▁otherwise ▁illegal . ▁In ▁the ▁United ▁States , ▁some ▁c ite ▁une qual ▁protection ▁under ▁the ▁law ▁while ▁others ▁c ite ▁loss ▁of ▁business ▁without ▁compens ation , ▁as ▁well ▁as ▁other ▁types ▁of ▁challeng es . ▁Some ▁local ities ▁where ▁hospital ity ▁business es ▁file d ▁law su its ▁against ▁the ▁state ▁or ▁local ▁government ▁include ▁Nev ada , ▁Mont ana , ▁Iowa , ▁Colorado , ▁Kentucky , ▁New ▁York , ▁South ▁Carolina , ▁and ▁Hawai i , Mont ana ▁G aming ▁Group , ▁effect ▁of ▁public ▁sm oking ▁ban ▁on ▁Mont ana ▁business es ▁| ▁sm oking ▁ban ▁in ▁public ▁areas | Hel ena ▁Mont ana ▁sm oking ▁ban | environment al ▁to b acco ▁smoke ▁Law suit ▁Ch alleng es ▁Louis ville ' s ▁Sm oking ▁Ban ▁– ▁Louis ville ▁News ▁Story ▁– ▁W L K Y ▁Louis ville ▁Health ▁board ▁stands ▁by ▁sm oking ▁ban , : ▁Law suit ▁alleg es ▁group ▁over ste pped ▁its ▁authority ▁| ▁Article ▁from ▁Char l eston ▁Gazette | High Be am ▁Research ▁though ▁none ▁have ▁succeeded . ▁▁ ▁Sm oke - free ▁laws ▁may ▁move ▁sm oking ▁elsewhere ▁Rest rict ions ▁upon ▁sm oking ▁in ▁offices