IETF TRUST
Legal Provisions Relating to IETF Documents
Approved November 6, 2008
Effective Date: November 10, 2008
1.

Background

The IETF Trust was formed on December 15, 2005, for, among other things, the purposeof acquiring, holding, maintaining and licensing certain existing and future intellectual property
used in connection with the Internet standards process and its administration, for theadvancement of science and technology associated with the Internet and related technology.
Accordingly, pursuant to RFC 5378, Contributors to the IETF Standards Process grant the IETF
Trust certain licenses with respect to their IETF Contributions.
In RFC 5377, the IETF
Community has provided the IETF Trust with guidance regarding licenses that the IETF Trustshould grant to others with respect to such IETF Contributions and IETF Documents. These
Legal Provisions describe the rights and licenses that the IETF Trust grants to others with respect
to such IETF Contributions and IETF Documents; as well as certain restrictions, limitations andnotices relating to IETF Documents. Capitalized terms used in these Legal Provisions that arenot otherwise defined have the meanings set forth in RFC 5378.
2.

Applicability of these Legal Provisions.
a.

These Legal Provisions are effective as of November 10, 2008 (the “EffectiveDate”).
b.
The licenses granted by the IETF Trust pursuant to these Legal Provisions apply
only with respect to (i) IETF Contributions (including Internet-Drafts) that are submitted to theIETF following the Effective Date, and (ii) IETF RFCs and other IETF Documents that arepublished after the Effective Date.
c.
IETF Contributions made, and IETF Documents published, prior to the EffectiveDate (“Pre-Existing IETF Documents”) remain subject to the licensing provisions of the IETF
copyright policy document in effect at the time of their publication, including RFCs 1310, 1602,2026, 3978 and 4748.
d.
In most cases, rights to Pre-Existing IETF Documents that are not expresslygranted under these RFCs can only be obtained by requesting such rights directly from thedocument authors. The IETF Trust and the Internet Society do not become involved in making
such requests to document authors.
e.
These Legal Provisions may be amended from time to time by the IETF Trust in amanner consistent with the guidance provided by the IETF community and its own operatingprocedures. Any amendment to these Legal Provisions shall be posted for review at
http://trustee.ietf.org/policyandprocedures.html and shall become effective on a date specified
by the IETF Trust, but no earlier than thirty (30) days following its posting. Such amendment

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shall apply with respect to all IETF Contributions made and IETF Documents publishedfollowing the effective date of such amendment. All prior versions of these Legal Provisions
shall continue to be posted at http://trustee.ietf.org/policyandprocedures.html for reference withrespect to IETF Contributions and IETF Documents as to which they may apply.
3.

Licenses to IETF Documents and IETF Contributions.

a.
License For Use Within the IETF Standards Process. The IETF Trust hereby
grants to each participant in the IETF Standards Process, to the greatest extent that it is permitted
to do so, a non-exclusive, royalty-free, worldwide right and license under all copyrights andrights of authors:i.
to copy, publish, display and distribute IETF Contributions and IETF
Documents, in whole or in part, as part of the IETF Standards Process, andii.
to translate IETF Contributions and IETF Documents, in whole or part,
into languages other than English as part of the IETF Standards Process, andiii.
unless explicitly disallowed in the notices contained in an IETF
Contribution or IETF Document (as specified in Section 6.b below), to modify or prepare
derivative works of such IETF Contributions or IETF Documents, in whole or in part, as part ofthe IETF Standards Process.
b.
IETF Standards Process. The term IETF Standards Process has the meaning
assigned to it in RFC 5378. In addition, the IETF Trust interprets the IETF Standards Process toinclude the archiving of IETF Documents in perpetuity for reference in support of IETF activities
and the implementation of IETF standards and specifications.
c.
Licenses For Use Outside the IETF Standards Process. In addition to the rights
granted with respect to Code Components described in Section 4 below, the IETF Trust hereby
grants to each person who wishes to exercise such rights, to the greatest extent that it is permitted
to do so, a non-exclusive, royalty-free, worldwide right and license under all copyrights andrights of authors:i.
to copy, publish, display and distribute IETF Contributions and IETF
Documents in full and without modification,ii.
to translate IETF Contributions and IETF Documents into languages otherthan English, and to copy, publish, display and distribute such translated IETF Contributions andIETF Documents in full and without modification,iii.
to copy, publish, display and distribute unmodified portions of IETF
Contributions and IETF Documents and translations thereof, provided that:(x)each such portion is clearly attributed to IETF and identifies theRFC or other IETF Document or IETF Contribution from which it is taken,

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(y)
all IETF legends, legal notices and indications of authorshipcontained in the original IETF RFC must also be included where any substantial portion of thetext of an IETF RFC, and in any event where more than one-fifth of such text, is reproduced in asingle document or series of related documents.
d.
Licenses that are not Granted. The following licenses are not granted pursuant tothese Legal Provisions:i.
any license to modify IETF Contributions or IETF Documents, or portions
thereof (other than to make translations or to extract, use and modify Code Components aspermitted under the licenses granted under Section 4 of these Legal Provisions) in any context
outside the IETF Standards Process, orii.
any license to publish, display or distribute IETF Contributions or IETF
Documents, or portions thereof, without the required legends and notices described in these
Legal Provisions.
e.
Requesting Additional Rights. Anyone who wishes to request license rights fromthe IETF Trust in addition to those granted under these Legal Provisions may submit such
request to trustees@ietf.org. Such request will be considered by the IETF Trust, which will
make a decision regarding the request in its sole discretion and inform the requester of its
disposition. In addition, individual Contributors may be contacted regarding licenses to their
IETF Contributions. The IETF Trust does not limit the ability of IETF Contributors to license
their Contributions, so long as those licenses do not affect the rights granted to the IETF Trustunder RFC 5378.
4.

License to Code Components.

a.
Definition. IETF Contributions and IETF Documents often include components
intended to be directly processed by a computer (“Code Components”). A list of common CodeComponents can be found at http://trustee.ietf.org/policyandprocedures.html .
b.
Identification. Text in IETF Contributions and IETF Documents of the types
identified in Section 4.a above shall constitute “Code Components”. In addition, any text foundbetween the markers <CODE BEGINS> and <CODE ENDS>, or otherwise clearly labeled as a
Code Component, shall be considered a “Code Component”.
c.
License. In addition to the licenses granted under Section 3, Code Components
are also licensed to each person who wishes to receive such a license on the terms of the "BSD
License", as described below. If a licensee elects to apply the BSD License to a CodeComponent, then the additional licenses and restrictions set forth in Section 3 and elsewhere inthese Legal Provisions shall not apply thereto.
BSD License:
Copyright (c) [insert year] IETF Trust and the persons identified as the document authors. All rightsreserved.

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Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met:•••

Redistributions of source code must retain the above copyright notice, this list of conditions and thefollowing disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions andthe following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Internet Society, IETF or IETF Trust, nor the names of specific contributors, maybe used to endorse or promote products derived from this software without specific prior writtenpermission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "ASIS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARPURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER ORCONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, ORPROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDINGNEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THISSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The above BSD License is intended to be compatible with the BSD License template publishedat http://opensource.org/licenses/bsd-license.php .
d.
Attribution. Those who use Code Components under the license granted underSection 4.c above are requested to attribute each such Code Component to IETF and identify theRFC or other IETF Document or IETF Contribution from which it is taken. Such attribution
may be placed in the code itself (e.g., “This code was derived from IETF RFC [insert RFCnumber]. Please reproduce this note if possible.”) or any other reasonable location.
5.

License Limitations.

a.
No Patent License. The licenses granted under these Legal Provisions shall not be
deemed to grant any right under any patent, patent application or similar intellectual propertyright.
b.
Supersedure. The terms of any license granted under these Legal Provisions may
be superseded by a written agreement between the IETF Trust and the licensee that specificallyreferences and supersedes the relevant provisions of these Legal Provisions, except that (i) theIETF Trust shall in no event be authorized to grant rights with respect to any Contribution inexcess of those which it has been granted by the Contributor, and (ii) the rights granted shall not
be less than those otherwise granted under these Legal Provisions.
6.
Text To Be Included in IETF Documents. The following text must be included on thefirst page of each IETF Document as specified below:a.

Submission Compliance for Internet-Drafts. In each Internet-Draft:

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This Internet-Draft is submitted to IETF in full conformance with the provisions of BCP 78 andBCP 79.

b.
Copyright and License Notice. In each IETF Document (including RFCs andInternet-Drafts):
Copyright (c) [insert year] IETF Trust and the persons identified as the document authors. Allrights reserved.
This document is subject to BCP 78 and the IETF Trust’s Legal Provisions Relating to IETF
Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of thisdocument. Please review these documents carefully, as they describe your rights and restrictions
with respect to this document.

c.
Derivative Works and Publication Limitations. If a Contributor desires to limit
the right to make modifications and derivative works of an IETF Contribution, or to limit its
publication, one of the following notices must be included. These notices may not be used withany standards-track document, nor with most working group documents.
i.
If the Contributor does not wish to allow modifications, but does wish toallow publication as an RFC:
This document may not be modified, and derivative works of it may not be created, except toformat it for publication as an RFC and to translate it into languages other than English.

ii.
If the Contributor does not wish to allow modifications nor to allow
publication as an RFC:
This document may not be modified, and derivative works of it may not be created, and it may notbe published except as an Internet-Draft.

7.
Terms Applicable to All IETF Documents. The following legal terms apply to all IETF
Documents:a.
All IETF Documents and the information contained therein are provided on an"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND
THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES,EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THATTHE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS ORANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.
b.
The IETF Trust takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed to pertain to the implementationor use of the technology described in any IETF Document or the extent to which any licenseunder such rights might or might not be available; nor does it represent that it has made any
independent effort to identify any such rights.

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c.
Copies of Intellectual Property disclosures made to the IETF Secretariat andany assurances of licenses to be made available, or the result of an attempt made to obtain ageneral license or permission for the use of such proprietary rights by implementers or users of
this specification can be obtained from the IETF on-line IPR repository at http://www.ietf.org/ipr.
d.
The IETF invites any interested party to bring to its attention any copyrights,
patents or patent applications, or other proprietary rights that may cover technology that may berequired to implement any standard or specification contained in an IETF Document. Pleaseaddress the information to the IETF at ietf-ipr@ietf.org.
e.
The definitive version of an IETF Document is that published by, or under theauspices of, the IETF. Versions of IETF Documents that are published by third parties,
including those that are translated into other languages, should not be considered to be definitive
versions of IETF Documents. The definitive version of these Legal Provisions is that publishedby, or under the auspices of, the IETF. Versions of these Legal Provisions that are published bythird parties, including those that are translated into other languages, should not be considered tobe definitive versions of these Legal Provisions.
f.
For the avoidance of doubt, each Contributor to the IETF Standards Processlicenses each Contribution that he or she makes as part of the IETF Standards Process to theIETF Trust pursuant to the provisions of RFC 5378. No language to the contrary, or terms,
conditions or rights that differ from or are inconsistent with the rights and licenses granted under
RFC 5378, shall have any effect and shall be null and void, whether published or posted by such
Contributor, or included with or in such Contribution.

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