▁occurs . ▁ ▁The ▁first ▁element ▁may , ▁in ▁employ ment - at - will ▁juris dict ions , ▁be ▁held ▁ful filled ▁in ▁regards ▁to ▁a ▁previously ▁unter min ated ▁employ er / employee ▁relationship . ▁ ▁In ▁California , ▁these ▁are ▁the ▁elements ▁of ▁neg lig ent ▁inter ference ▁with ▁pros pective ▁economic ▁advantage , ▁which ▁the ▁pla int iff ▁must ▁establish : ▁▁ ▁an ▁economic ▁relationship ▁existed ▁between ▁the ▁pla int iff ▁and ▁a ▁third ▁party ▁which ▁contained ▁a ▁reason ably ▁probable ▁future ▁economic ▁benefit ▁or ▁advantage ▁to ▁pla int iff ; ▁ ▁the ▁def endant ▁knew ▁of ▁the ▁existence ▁of ▁the ▁relationship ▁and ▁was ▁aware ▁or ▁should ▁have ▁been ▁aware ▁that ▁if ▁it ▁did ▁not ▁act ▁with ▁due ▁care ▁its ▁actions ▁would ▁inter f ere ▁with ▁this ▁relationship ▁and ▁cause ▁pla int iff ▁to ▁lose ▁in ▁whole ▁or ▁in ▁part ▁the ▁probable ▁future ▁economic ▁benefit ▁or ▁advantage ▁of ▁the ▁relationship ; ▁ ▁the ▁def endant ▁was ▁neg lig ent ; ▁and ▁ ▁such ▁neg lig ence ▁caused ▁damage ▁to ▁pla int iff ▁in ▁that ▁the ▁relationship ▁was ▁actually ▁inter fer ed ▁with ▁or ▁dis rupted ▁and ▁pla int iff ▁lost ▁in ▁whole ▁or ▁in ▁part ▁the ▁economic ▁benefits ▁or ▁advantage ▁reason ably ▁expected ▁from ▁the ▁relationship . ▁ ▁Some ▁cases ▁add ▁that ▁a ▁def endant ▁acts ▁neg lig ently ▁only ▁if ▁" the ▁def endant ▁ow es ▁the ▁pla int iff ▁a ▁duty ▁of ▁care ." ▁ ▁California ▁and ▁most ▁juris dict ions ▁hold ▁that ▁there ▁is ▁a ▁privile