establishing contractual obligations by at least some contributors of the idea contributions to the database to transfer {HEAD ~ property rights} to {TAIL ~ inventions} derived at least in part from the contributed ideas to a transferee 
establishing contractual obligations by at least some contributors of the idea contributions to the database to transfer { HEAD ~ property rights } to { TAIL ~ inventions } derived at least in part from the contributed ideas to a transferee
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH