IETF Secretariat
Click on the red underlined text to get to the source
... IETF web site
by the IETF Secretariat and have a nominal maximum lifetime in the
Secretariat's public directory of 6 months, after which they are
...
...
Copies of IPR disclosures made to the IETF Secretariat and any
assurances of licenses to be made available, or the result of an
attempt made to obtain a general license ...