An unconfirmed tidbit notes that Apple may have acquired Vancouver, BC based SchemaSoft.
SchemaSoft's website can be found at http://www.schemasoft.com/ and lists Apple Computer amongst their previous clients.
Of note, one of their products offers a software library for reading and writing Microsoft Word, Excel and PowerPoint documents. The readers/writers are described to work on all versions of Windows, Macintosh, Palm OS and Symbian OS.
ThinkSecret provides confirmation of this acquisition.