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.
Materials to build 3'-4' tall wooden picket fence can cost $3-$30 or more a linear foot, depending on type of wood, height of the fence and the complexity of the design, and with a gate or other options total costs can be $400-$1,800 for 100' and $1,000-$5,000 for 300' of fencing with do-it-yourself installation.