"contest the validity of" is a grammatically correct phrase that can be used in written English.
It means to challenge or question the truth or accuracy of something. Example: The defendant's lawyer plans to contest the validity of the evidence presented by the prosecution. When can you use it? You can use this phrase when you want to express that someone is challenging the legitimacy or truthfulness of a particular concept, statement, or evidence. It is commonly used in legal or academic contexts.
In that deal, Zenith would settle its lawsuit with Abbott by agreeing not to contest the validity of the Hytrin patent.
A petition for a writ of habeas corpus is a jurisdictional vehicle that brings a prisoner before a judge to contest the validity of his confinement.
If a board was elected at the second meeting, any shareholder who wishes to contest the validity of the vote can sue in court to nullify the election.
He did not contest the validity of spectral evidence, as had others who came before the court, who did not care to be convicted for crimes they committed in someone else's imagination.
Since then, Mr. Quinn and his family have taken legal action to contest the validity of his bank debts, arguing that the €2.8 billion, or $3.9 billion, was lent for the "illegal purpose" of propping up Anglo's own share price.
But it lost the case because it tried to retain the right to contest the validity of the patent with a view to past damages.
Mr. Braxton plans to go to court contesting the validity of the election results.
To gain control of FOH, the banks are contesting the validity of Bambino's appointment in October 2002 of the Argands as directors of FOH, which gave Bambino control.
MP3.com, which is liable for over $100 million in damages, is contesting the validity of several thousand of Universal's copyrights on the ground that sound recordings are not works made for hire.
In his strongest remarks about the pending sale of his half of the Mets, Nelson Doubleday said yesterday that he would file a lawsuit contesting the validity of the appraisal, and that the Aug. 12 deadline for Fred Wilpon, the co-owner, to make his first payment was "not going to happen".
After the war that split the north and south halves of Korea, the North agreed to a new border with China, one that cut through the lake (the original stone had vanished in 1931).But that has not stopped South Koreans from contesting the validity of the deal struck in 1909.
