** Shares of defense technology firm PMGC Holdings ELAB.O fall 11.1% to $5.08 premarket
** Co says its NorthStrive Defense Tech unit secured an exclusive option to license a U.S. patent for a drone system operating across air and water
** Says the technology uses buoyancy to transport payloads and could be used in coastal and river areas for military logistics, remote resupply and sensor deployment
** Adds it may develop and commercialize products based on the patent if it exercises the option
** Cautions there is no guarantee a final licensing deal will be reached or the technology successfully developed
** Shares down about ~84% YTD as of last close
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))