Legal Maxim
Id est (i.e) - That is.
Id quod commune est, nostrum esse dicitur - That which is common is said to be ours.
Idem - The same person or thing.
Idem nihil dicere et insufficienter dicere est - It is the same to say nothing as not to say enough.
Ignorantia facti excusat, ignorantia juris non excusat - Ignorance of fact excuses, ignorance of law does not excuse.
Imperium in imperio - A sovereignty within a sovereignty.
Impotentia excusat legem - Impossibility is an excuse in the law.
Impunitas semper ad deteriora invitat - Impunity always leads to greater crimes.
In aequali jure melior est conditio possidentis - When the parties have equal rights, the condition of the possessor is better.
In alta proditione nullus potest esse acessorius; sed principalis solum modo - In high treason no one can be an accessory; but a principal only.
In camera - In private.
In casu extremae necessitatis omnia sunt communia - In a case of extreme necessity everything is common.
In criminalibus probationes debent esse luce clariores - In criminal cases the proofs ought to be cleared than the light.
Source: inrebus.com