In your previous mail you wrote: > If you extract, say, a C header file, or an ASN.1 schema, from an RFC > into an application, I believe that may be regard as a "derivative > work". see RFC 3667 Section 3.3 (a) (E) (E) to extract, copy, publish, display, distribute, modify and incorporate into other works, for any purpose (and not limited to use within the IETF Standards Process) any executable code or code fragments that are included in any IETF Document (such as MIB and PIB modules), subject to the requirements of Section 5 (it also being understood that the licenses granted under this paragraph (E) shall not be deemed to grant any right under any patent, patent application or other similar intellectual property right disclosed by the Contributor under [IETF IPR]). => the issue is this right is granted to the ISOC and the IETF, not to third parties. In fact the whole RFC 3667 is about rights granted by authors to the ISOC and the IETF *only*... At the limit one can say that 7.1c and 7.1e are not provided by RFC 3667! Thanks Francis.Dupont@xxxxxxxxxxxxxxxx _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf