( I )
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 Anglia non est interregnum – In England there is no interregnum.
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.
In curia domini regis, ipse in propria persona jura discernit – In the King s Court, the King himself in his own person dispenses justice.
In delicto – At fault.
In esse – In existence.
In extenso – At full length.
In fictione legis aequitas existit – A legal fiction is consistent with equity.
In foro conscientiae – In the forum of conscience.
In futoro – In the future.
In jure non remota causa sed proxima spectatur – In law not the remote but the proximate cause is looked at.
In limine – At the outset, on the threshold.
In loco parentis – In place of the parent.
In mortua manu – In a dead hand.
In novo casu novum remedium apponendum est – In a new case a new remedy is to be applied.
In omni re nascitur res quae ipsam rem exterminat – In everything is born that which destroys the thing itself.
In omnibus – In every respect.
In pari delicto potior est conditio possidentis – When the parties are equally in the wrong the condition of the possessor is better.
In personam – Against the person.
In pleno – In full.
In quo quis delinquit in eo de jure est puniendus – In whatever thing one offends in that he is to be punished according to law.
In re dubia magis inficiatio quam affirmatio intelligenda – In a doubtful matter the negative is to be understood rather than the affirmative.
In republica maxime conservanda sunt jura belli – In a State the laws of war are to be especially observed.
In situ – In its place.
In terrorem – As a warning or deterrent.
In testamentis plenius testatoris intentionem scrutamur – In wills we seek diligently the intention of the testator.
In traditionibus scriptorum non quod dictum est, sed quod gestum est, inspicitur – In the delivery of writings (deeds), not what is said but what is done is to be considered.
In verbis, non verba sed res et ratio quaerenda est – In words, not words, but the thing and the meaning are to be inquired into.
Indicia – Marks, signs.
Injuria non excusat injuriam – A wrong does not excuse a wrong.
Intentio inservire debet legibus, non leges intentioni – Intention ought to be subservient to the laws, not the laws to the intention.
Inter alia – Amongst other things.
Interest reipublicae res judicatas non rescindi – It is in the interest of the State that things adjudged be not rescinded.
Interest reipublicae suprema hominum testamenta rata haberi – It is in the interest of the State that men s last wills be sustained.
Interest reipublicae ut quilibet re sua bene utatur – It is in the interest of the State that every one use properly his own property.
Interest reipublicase ut sit finis litium – It is in the interest of the State that there be an end to litigation.
Interim – Temporary, in the meanwhile.
Interpretare et concordare leges legibus est optimus interpretandi modus – To interpret and harmonize laws is the best method of interpretation.
Interpretatio fienda est ut res magis valeat quam pereat – Such a construction is to be made that the thing may have effect rather than it should fail.
Interruptio multiplex non tollit praescriptionem semel obtentam – Repeated interruption does not defeat a prescription once obtained.
Invito beneficium non datur – A benefit is not conferred upon one against his consent.
Ipsissima verba – The very words of a speaker.
Ipso facto – By that very fact.
Ira furor brevis est – Anger is brief insanity.
Iter arma leges silent – In war the laws are silent.