The pill, taken in the hospital immediately after a traumatic event, would suppress memory molecules and block an event from being etched into long-term brain circuits, a process that takes between 12 and 24 hours.
For example, a second seller of event tickets, called StubHub, uses it to identify and block devices that have a history of selling fraudulent tickets.
"We are seeing an unwelcome trend in today's marketplace to use standard- essential patents to block markets, " said the ITU secretary general Hamadoun Toure when the event was announced.
It appears to block the action of a protein called Stat 1, which becomes activated within cells after a stressful event such as a heart attack or stroke, and plays a role in inducing cell death.