It has been a truism of the American economy for decades: When oil prices rise, the economy suffers; when they fall, growth improves. But the decline of oil prices over the last two years has failed to deliver the usual economic benefits (New York Times).
Patent buying is an effective way to solve a patent deficiency challenge. In many technology areas (e.g. high-tech, solar, automotive), you can buy patents on the open market that can substantially improve your patent position (IP Watchdog).