"On Friday the 3rd of September 2004 I reported that Sender-ID, the proposed name for a new anti-forgery standard for email being developed by the IETF's MARID working group, was in turmoil because of the license being imposed by one of the MARID group's corporate members, Microsoft. Many of the most well known open source organizations and developers have begun reporting their stance on the issue so it seems appropriate to discuss what's actually happening and why.
"First of all it is important to note that Microsoft has not yet been granted a patent on any intellectual property associated with the proposed standard (Sender-ID). They have informed the working group (MARID) of a patent claim they have applied for with the USPTO and they have informed the working group of that claim as required by the IETF's IPR policy (RFC3669)..."
