A "fair trial" is a neutral trial conducted to accord each party to the proceeding their due process rights.
The right to a fair trial applies to civil and criminal proceedings and various rights associated with a fair trial are explicitly proclaimed in the Sixth and Fourteenth Amendments to the U.S. Constitution.
In a fair trial, the accused's legal rights are safeguarded and respected.
A fair trial hears before it condemns (i.e.: The trial proceeds on inquiry and renders judgment only aftertrial).
In a fair trial, jurors are to be entirely indifferent as to the parties at the outset.
The necessary elements of a fair trial are an adequate hearing and an impartial tribunal, free from any interest, bias, or prejudice.
A fair trial presupposes full justice is rendered within human limitations.