In the open source world, a trademark is useful in protecting an entity's identity from being co-opted or misused by individuals or groups other than the founding group.
Open Source Ecology has a pending trademark application on its name.
Document of Trademark Standing from the US Patent and Trademark Office -  - go to Trademark Search at upper right, and then search for Open Source Ecology under Basic Word Mark Search. You can see the trademark also at Trademarkia - .
Search Open Source Ecology at the US Patent and Trademark Office: