Timeline

June 2009:
The Family Smoking Prevention and Tobacco Control Act which became U.S. law in June 2009 bans the sale of flavoured cigarettes, but exempts menthol.

August 2009:
Indonesia expressed concerns through the WTO TBT Committee, saying:

"There is no scientific or technical information indicating that clove cigarettes pose a greater health risk than menthol cigarettes and menthol cigarettes are consumed in much greater quantities.  The Government of Indonesia maintains that these measures discriminate against imported clove cigarettes and are thus incompatible with the United States’ obligations under the above-mentioned agreements because they infringe, among other provisions"

November 2009:
The issue was discussed at the November 2009 TBT Committee meeting.

April 2010:
Indonesia formally applied for consultations, advancing the issue towards dispute settlement.

June, 2010:
Indonesia asked the WTO's Dispute Settlement Body (DSB) to establish a panel to consider the issue.  Under WTO procedures, the respondent country can block the first request for a panel, which the United States Did.

July 2010:
The DSB established a panel.

The WTO has assigned this dispute the case number DS406. 

September 2010:
The composition of the panel was agreed to. 

The EU, Brazil, Guatemala, Turkey, Norway, Colombia, Dominican Republic and Mexico reserved 3rd-party rights.

March 2011:
The Chair of the panel informed the DSB that the report was expected before the end of June 2011. 

September 2, 2011:
The panel report was circulated to WTO members and made public.

September 15, 2011:
Indonesia and the United States requested an extension of the 60 day period for appeals to January 20, 2012

January 10th, 2012:
The U.S. notified the WTO that it would be appealing the panel decision.

January 16, 2012:
The Jakarta Post reports that the Indonesian government had decided it would not appeal.

April 4, 2012:
WTO's Appellate Body issues its report, reaching the same decision as the panel report.