The phrase "a window of exclusivity" is correct and usable in written English.
It can be used to describe a limited time period or opportunity during which something is exclusive or restricted to a certain group.
Example: "The company is offering a window of exclusivity for early investors to secure their shares before the public offering."
Alternatives: "a period of exclusivity" or "a phase of exclusivity".
"We're supportive of the band's discussions with W.M.G.'s streaming service partners to create a window of exclusivity to maximize the impact of this launch".
Myriad, meanwhile, argues that without a window of exclusivity and the big revenues it brings, companies like it would never invest the time and money to locate the genes associated with cancer and develop reliable tests.
Microsoft's existing Call of Duty and FIFA partnerships are dependable, but they aren't exhilarating, and nabbing a window of exclusivity for this year's Tomb Raider sequel may not amount to much in the face of Sony's fearsome Uncharted 4: A Thief's End.
Jay Z's strategy will include encouraging artists to lobby their labels to give Tidal new music a week in advance of other services, giving it a short window of exclusivity.
If Blockbuster could score even a small window of exclusivity for its rentals, Weichselbaum says, "that would be one way for Blockbuster to stay in the game".
Financial news services and other media organizations get press releases 15 minutes before they are distributed to the general public, fueling a furious competition among the news services to rewrite them for their subscribers during their window of exclusivity.
What O2 and Vodafone wanted was reassurance that EE's window of exclusivity would be shortened by having the whole 4G auction accelerated.
Officials agreed to suspend rules that favoured US pharmaceutical companies, such as a clause on data exclusivity, which would prevent competing versions of new medicines from coming into the market for a window of time.
Windows of exclusivity can last for decades and be cut across anything that allows for differentiation: format, geography, quality, etc. Movie and TV content owners are masters at this game.
A similar air of exclusivity — or exclusion — pervaded Monday night's event.
While Windows users got a few days of exclusivity on the firmware 2.0.2 jailbreaking front with the release of QuickPwn, Mac users are now free to get in on the fun.
