onus probandi
See burden of proof.

• pure economic loss
• pure theory of law
• purpose
• purpose trust
• putative father
• QC
• qua
• qualified acceptance
• qualified privilege
• qualified right
• qualified title
• qualifying child
• qualifying floating charge holder
• quamdiu se bene gesserit
• quango
• quantum
• quantum meruit
• quantum valebat
• quarantine
• quarter days
• quarter sessions
• quash
• quashing order
• quasi-contract
• quasi-easement