An article published last week quotes Microsoft officials who claim that IBM is solely responsible for ISO's recent decision to deny OOXML fast-track approval. IBM hasn't taken the accusations lightly.
Bob Sutor, vice president of standards and open source for IBM, has told Ars Technica "If 'business as usual' means trying to foist a rushed, technically inferior and product-specific piece of work like OOXML on the IT industry, we're proud to stand with the tens of countries and thousands of individuals who are willing to fight against such bad behavior."