Here is a brief dictionary of Spanish legal words.
Litigio (m) - litigation
Demanda (f) - claim
Respuesta (f) - defense
Demandante (m) - claimant
Demandado (m) - defendant
Danos y Perjuicios (m) - damages
Sentencia (f) - judgment
Testigo (m) - witness Perrito (m) - expert
Testimonio (m) - witness statement
Celebrar el juicio - court hearing
Jurar - make an oath
Despacho de abogado (m) - law offices
Recurso (m) - appeal
Oficial (m) - clerk
Sello (m) - seal
Escritura publica (f) - deeds
Escritura de compraventa - sale/purchase contract
Herencia (f) - estate
Heredero (m) - beneficiary
Acceptacion de herencia (f) - probate
Testamento (m) - will
olografo - handwritten
Registro de la Propiedad (m) - land registry
Nota simple (f) - land registry extract
Propietario (m) - owner
Hipoteca (f) - mortgage
Carga (f) - encumbrances like right of way etc.
Arrendamiento (m) - lease
Prestamo (m) - loan
Cuenta corriente (f) - bank account
Cheque confirmado (m) - cashier's check
en efectivo - cash
en metalico - cash
Sociedad (f) - corporation