"Here's a new ISO FAQ that it hopes will convince you that it
did a fine job handling the OOXML standards process. In it, it
hints that it can withdraw approval of OOXML if Microsoft
misbehaves about patents in the future:
"What about hidden patent issues?
"The ISO/IEC/ITU patent policy requires that licenses be
available on reasonable and non-discriminatory terms and conditions
to all patents needed to implement an ISO/IEC International
Standard and/or ITU Recommendation, and that all identified patent
owners make a declaration to that effect..."