As sales to developing nations become ever more important to giant tobacco companies, they are stepping up efforts around the world to fight tough restrictions on the marketing of cigarettes…The industry has ramped up its efforts in advance of a gathering…of public health officials from 171 nations, who plan to shape guidelines to enforce a global anti-smoking treaty. This year, Philip Morris International sued the government of Uruguay, saying its tobacco regulations were excessive. World Health Organization officials say the suit represents an effort by the industry to intimidate the country…Peter Nixon, a vice president and spokesman for Philip Morris International, said the company was complying with every nation’s marketing laws while selling a lawful product for adult consumers. [also refers to Altria, RJ Reynolds (part of Reynolds American), British American Tobacco, Lorillard (part of Carolina Group), Imperial Tobacco]