Legal Latin phrases and maxims

Ab initio	From the beginning
Actiones legis	Law suits
Actus reus	A guilty deed or act
Ad hoc	For this purpose
Ad idem	Of the same mind
Ad infinitum	Forever, without limit, to infinity
Ad referendum	Subject to reference
Ad valorem	By the value, e.g. Ad valorem tax
Addendum	A thing to be added
Advocatus diaboli	The devil's advocate
Affidavit	A sworn written statement usable as evidence in court
Alibi	At another place, elsewhere
Alma Mater	Nourishing mother. (One's old school or university)
Alter ego	Other 'I' or 'Other Self'
Alumnus	Nursling (former pupil)
Amicus curiae	A friend of the Court
Ante	Before
Audi alteram partem	Hear the other side
Bona fide	Sincere, in good faith, i. e. well-intentioned, fairly
Caveat emptor	Let the buyer beware. (He buys at his own risk)
Caveat	Let him/her beware
Compos mentis	Of sound mind (and judgement)
Consensus ad idem	Agreement as to the same things
Coram non judice	Before one who is not a judge
Corpus	Body
Corrigenda	A list of things to be corrected. (in a book)
Crimen falsi	Perjury
Curriculum vitae	The course of one's life
Damnum sine injuria	Damage without legal injury
De facto	In fact, Something that is automatically accepted
De jure	Rightful, by right
De minimis lex non curat	The law does not notice trifling matters
De novo	Starting afresh, Anew
Delegata potestas non potest delegari	A delegated authority cannot be again delegated
Dura lex, sed lex	The law is harsh, but it is the law
Et cetera	Other things of that type.
Ex dolo malo actio non oritur	A right of action cannot arise out of fraud
Ex gratia	Out of kindness, voluntary
Ex nudo pacto actio non oritur	No action arises on a contract without a consideration.
Ex parte	Proceeding brought by one person in the absence of another
Ex post facto	By reason of a subsequent act
Ex turpi causa non oritur actio	No action arises on an immoral contract.
Factum	An act or deed
Forma legalis forma essentialis est	Legal form is essential form
Fiat justitia (et ruat caelum)	Let justice be done. (though the heavens fall)
Fiat lux	Let there be light
Habeas corpus	You must have the body, i.e. You must justify an imprisonment
Id est (i.e)	That is
Idem	The same person or thing
Ignorantia facti excusat, ignorantia juris non excusat	Ignorance of fact excuses, ignorance of law does not excuse.
In camera	In private
In limine	At the outset, on the threshold
In omnibus	In every respect
In personam	Against the person
In pleno	In full
In situ	In its place
Injuria non excusat injuriam	A wrong does not excuse a wrong.
Inter alia	Amongst other things
Interim	Temporary, in the meanwhile
Ipso facto	By that very fact
Ira furor brevis est	Anger is brief insanity
Iter arma leges silent	In war the laws are silent
Jus	A right that is recognised in law.
Jus naturale	Natural justice.
Lex dabit remedium	The law will give a remedy.
Lex domicilii	The law of a person's home country
Lex fori	The law of the forum (country)
Lex loci	The law of the place
Lex non scripta	The unwritten (common) law
Lex scripta	The written law
Liberum arbitrium	Free will
Locus delicti	The scene of the crime
Locus standi	Place of standing
Magnum opus	Great work, the major work of one's life
Mala fide	In bad faith
Mandamus	We command
Memorabilia	Memorable things
Mens rea	Guilty state of mind
Modus operandi (m.o.)	Way of operating
Mutatis mutandis	The necessary changes having been made
Necessitas non habet legem	Necessity has no law
Nemo bis punitur pro eodem delicto	No one can be twice punished for the same offence
Non compus mentis	Not of sound mind and understanding
Non constat	It is not certain
Non sequitur	An inconsistent statement, it does not follow
Obiter dictum	Something said in passing
Onus probandi	The burden of proof
Par delictum	Equal fault
Pari passu	On an equal footing
Per capita	Per head
Per diem	Per day; daily allowance
Per se	By or in itself
Post factum	After the fact
Prima facie	On the face of it, At first sight
Pro bono (pro bono publico)	For the good of the public
Pro forma	As a matter of formality
Pro rata	In proportion
Pro tanto	So far, to that extent
Pro tempore	For the time being
Publici juris	Of public right
Qua	In so far as
Quantum meruit	As much as he/she deserved
Quasi	As if
Qui facit per alium, facit per se	He who acts through another acts himself
Qui non habet, ille non dat	He who has not, does not give
Qui non improbat, approbat	He who does not disapprove, approves
Quid pro quo	Consideration. Something for something.
Quis, quid, ubi, quibus auxiliis, cur, quomodo, quando?	Who, what, where, with what, why, how, when?
Quo vadis?	Where are you going?
Quorum	Of whom
Ratio decidendi	The reason for the decision
Re	In the matter of, Concerning
Res judicata accipitur pro veritate	A thing adjudged is accepted for the truth
Referendum	Something to be referred
Res judicata	Thing already judged upon
Rigor mortis	The rigidity of death
Salus populi est suprema lex	The safety of the people is the supreme law.
Simpliciter	Naturally; without qualification
Sine die	Without a day (indefinitely)
Sine qua non	Something/someone indispensable
Stare decisis	To stand by decisions (precedents).
Status quo	The current state of being
Sub judice	Before a court
Sub poena	Under penalty of law
Sui generis	Of his/her/its kind, Unique
Suppressio veri	The suppression of the truth
Supra	Above or on an earlier page
Uberrimae fidei	Of the utmost good faith
Ubi jus ibi remedium est	Where there is a right there is a remedy
Ultra vires	Beyond the powers or legal authority
Verbatim	Word by word, exactly
Verso	Reverse
Versus	Against
Veto	I forbid
Via	By way of
Vice	In place of
Vice versa	The other way around.
Vide	See
Viva voce	With living voice
Vox populi	Vox populi