Drug Exclusivity. Exclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.
Nationally, the cost to install a fence averages around $2,600, with most homeowners spending between $1,580 and $3,669. This data is based on actual project costs as reported by HomeAdvisor members.
According to the latest NRCS estimates, a barbed wire fence costs over $2 per foot to build. So as you can see, the estimated cost of a barbed wire fence varies between $1.50 to over $2 per foot. In any case, building fence is expensive and the costs continue to increase.