«The one - year proprietary period effectively means this hidden, unavailable data can not be seen in time for follow - up by the community of astronomers until more than three years into [Webb's] mission.» (scientificamerican.com)
As with all of NSF's major facilities, the data acquired with these instruments will be freely available to all researchers after an initial proprietary period. (spaceref.com)
Observations taken for accepted programs will have a proprietary period of no more than 3 months; (stsci.edu)