The phrase "a prominent case" is correct and usable in written English.
It can be used to refer to a well-known or significant example of something, often in legal, academic, or general discussions.
Example: "In the study of environmental law, the case of Brown v. Board of Education is often cited as a prominent case that shaped future legislation."
Alternatives: "a notable example" or "a significant instance."
Cyclical companies are a prominent case in point.
And a loss in a prominent case like Mr. Cuban's could undermine its aggressive strategy.
In a prominent case filed this year, one couple had what their lawyers suggested was a minimal role.
Teza's name also came up during a prominent case involving trade secrets that was resolved late last year.
In a prominent case, a federal appeals court in December overturned the 2014 conviction of a former Jefferies trader, Jesse C. Litvak.
An account of a prominent case in which an artifact was successfully returned to Iraq illustrates how unlikely such episodes are, however.
He said the expense of traveling to Huntsville was not a major consideration, but "it has to be a case that has a lot of local impact," adding that the paper plans to attend a scheduled execution in a more prominent case.
In addition to the likelihood that the court will hear a third prominent case concerning detention - that of Jose Padilla, an American citizen arrested at O'Hare Airport in 2002 and then detained in the United States without trial - it may well consider cases concerning the tapping of private conversations between terror suspects in the United States and persons abroad.
In a third prominent case, Derek and Alex King of Pensacola were convicted of second-degree murder in 2002 for bludgeoning their father to death with a baseball bat in 2001, when they were 13 and 12.
The decision is thought likely to derail a more prominent case also being brought in Belgium, in which Ariel Sharon, the current Israeli prime minister, is accused of accountability in the 1982 massacre of Palestinians at the Sabra and Chatila refugee camps in Lebanon.
China is a particularly prominent case of this trend, as widening entertainment options from the likes of Tencent (including the company's Universal deal) have played a key role in the country's mobile internet usage outpacing user growth.
