| Date | Title | Event | Subject |
| Sep 2006 |
On the constitutional preference for Free Software |
Part of an Amicus Curiae to Brazil's Supreme Court, regarding a state law pro free software. |
On constitutional principles setting preferences for free software use by government in Brazil |
| Feb 2005 |
FOSS: What, Why & How |
WSIS - 2nd Prep Conference for United Nation's World Summit on Information Society. | Brazilian Delegation on Brazil's Policy for choice and protection of FOSS in Prepcon2, in Geneva |
| Nov 2004 |
FOSS Manifesto by PSL Brasil |
3rd. Ministerial Forum of European Union, Latin America an Caribean on Information Society, |
Plenary session "Cooperation models between Civil Society and Private Sector" Rio de Janeiro, Brazil |
| Aug 2004 |
Laws and Law Making Process in an Age of High Technology* |
Brazil's National Congress - House's Science &Technology Committee hearing on sofware licencing. | Maureen O'Sullivan on Legislative and Political Strategies for protecting FOSS and other human freedoms. |
| Aug 2004 |
Best and Worst Practices in Top-Down & Bottom up Legislation* |
Ministry of Foreign Affairs - Brasilia, Brazil | Maureen O'Sullivan on Legislative and Diplomatic Strategies for protecting FOSS |