The phrase "actively contest" is correct and usable in written English.
It can be used when referring to the act of challenging or opposing something in a vigorous or determined manner.
Example: "The candidates will actively contest the results of the election, claiming that there were irregularities in the voting process."
Alternatives: "vigorously challenge" or "openly dispute".
The decision not to "actively contest" the elections is underlined by the fact that no national party cash is to be made available for local Lib Dem candidates that do stand.
The fact that it wasn't, and that instead he was back in the limelight remarkably swiftly, was also treated as something of a shocking thing: His House campaign was greeted, not with a shrug and a yawn, but with national media attention, lots of eye-rolling, and a decision by the Democratic Party to actively contest a seat that it would normally concede.
So when their campaigns made a deal, over the weekend (that Kasich would not actively contest the crucial Indiana primary, so that the anti-Trump vote there could coalesce around Cruz, and that Cruz would return the favor in the less pivotal Oregon and New Mexico primaries), it made sense that the pact was brokered by their campaign managers, and that the two candidates did not themselves speak.
These PAB-specific proteins may allow P. ananatis to actively contest for the limited iron available in the plant environment [ 51].
It was only then that the defending team sprang into action, actively contesting each pass and shot.
Apple hotly contests the claims made by Proview, and is appealing the ruling and actively contesting other court cases on the matter.
While it's not uncommon for members of Congress to take fact-finding trips to the Middle East, it's highly unusual for one to meet face-to-face with a dictator actively contesting American interests in a war zone where our military personnel currently operate, and to which she could be deployed.
The grassroots-level discourse actively contests the dominant view and, instead, demands recognition of their minority identity as a valuable and positive entity of otherness, promoting a view that does not exclude diversity.
It further argues that the dominant French discourse aims to convince the New Caledonian audience of the truth of their propositions by presenting their view as a common sense solution to the independence issue, whereas the opposing side actively contests this view and, instead, wishes to promote the 'Melanesian way'.
Massey Energy is actively contesting millions of dollars of fines for safety violations at its West Virginia coal mine where disaster struck yesterday afternoon.
And Guinness actively promotes the contest on its Twitter account.
