The phrase "a dispositive factor" is correct and usable in written English.
It can be used when discussing a key element or consideration that determines the outcome of a situation or decision.
Example: "The court found that the lack of evidence was a dispositive factor in the case, leading to the dismissal of the charges."
Alternatives: "decisive element" or "crucial factor".
"Contrary to Facebook's suggestion," writes Donato, "the geographic location of its data servers is not a dispositive factor.
Is it a dispositive factor?
"Accordingly, absent the receipt of significant derogatory information indicating a serious threat to public safety and welfare, lawful permanent resident status will be a dispositive factor in our case-by-case determinations".
On Monday, DHS secretary John Kelly "deemed the entry of lawful permanent residents to be in the national interest... absent the receipt of significant derogatory information indicating serious threat to public safety and welfare, will be a dispositive factor in our case-by-case determinations".
"For the studios, that's the dispositive factor".
To be sure, you wouldn't want the candidates' age to be the dispositive factor governing your choice for president.
According to Montejo, the dispositive factors are, firstly, the attachment of Sixth Amendment rights, and, secondly, that the accused already has been appointed a lawyer.
Courts and litigants must now grapple with the question of where, precisely, a transaction becomes irrevocable, particularly if the citizenship of the parties and the location of their agents are not alone dispositive factors.
One way to address this problem is by doing away with personhood as a dispositive legal category.
"But it is not a victory, much less a dispositive victory, in the political debate over how we should be processing war criminals".
All I can say is that it sounds plausible to me, but that others are much better placed to render a dispositive judgment.
