CIBC analysts say lumber exports to the United States of New Brunswick have declined slightly.
Canadian lumber exports to the United States are down about six per cent in 2017 compared to the previous year, according to federal statistics analyzed by CIBC.
Ontario and Quebec are the only two provinces that saw their lumber exports increase.
Canada decided on Tuesday to bring the dispute with the United States over softwood lumber trade to the World Trade Organization (WTO). A similar battle lasted four years leading to a temporary agreement in 2006.
Canada also challenged countervailing duties earlier in November by using the North American Free Trade Agreement (NAFTA) dispute resolution system.