A survey by Coventry University Business School said official sponsors, organisers and fans at the London Games should expect intense ambush marketing.
Doha Asian Games organisers said terms attached to their venue tickets prohibited coordinated group promotion, advertising efforts or ambush marketing activities among other things.
About 600 cases of global ambush marketing have been recorded during the past four years, the report said.
Knowing the threats ambush marketing represents to the sustainability of the Games, the OCA developed commercial guidelines which all participants of the Games should follow.
Olympic organisers will work hard to protect sponsors'investments by creating " ambush police ", and establishing exclusive marketing zones within a set distance of venues.
The ban is part of a range of measures introduced by the committee on June 3 to crack down on ambush marketing during the Games.
Although all such activities may be considered Ambush Marketing in the advertising sense, from a legal point of view we need to differentiate.
The companies that are playing with ambush marketing are risking their credibility, says one official.
But as the Olympic Games draw near, cases of ambush marketing infringements are increasing.
On Wednesday, the director ripped into " ambush marketing " as " hitchhiking ".