(1)附条件的权利
只有基于正当理由〔justification〕才能行使的权利，与不论动机或损害与否皆可行使的绝对权利〔absolute right〕相对。
(→common right)

(2)限定财产权(→qualified interest)

• open cheque
• open contract
• open corporation
• open court
• open cover
• open credit
• open danger
• open doors
• open-end
• open-end contract
• open-end credit plan
• open-end investment company
• open-end investment trust
• open-end lease
• open-end mortgage
• open-end settlement
• open-end transaction
• open entry
• open fee
• open fields doctrine
• open hearing
• opening
• opening a credit
• opening statement
• opening the case