British Telecommunication's Statement about IPR related to Tunnels
The text of the original IPR disclosure is available in the disclosure history.
Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.
I. Patent Holder/Applicant ("Patent Holder")
- Holder legal name
- British Telecommunication
II. Patent Holder's Contact for License Application
- Holder contact name
- Peter Hovell
- Holder contact email
- Holder contact info
B29, Room 128, Adastral Park, Martlesham Heath, IP5 3RE
T: 01473 644208
III. IETF Document or Other Contribution to Which this IPR Disclosure Relates
- Designations for Other Contributions
IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 2026
A. For granted patents or published pending patent applications, please provide the following information:
- Patent, Serial, Publication, Registration, or Application/File number(s)
In accordance with the IETF Rules, BT would like to disclose that we have
recently applied for patents in the IPv6 space relating to:
* the establishment of tunnels using DNS as the tunnel endpoint
discovery mechanism and
* a mechanism that enables translation and tunneling to be combined
into a single device.
BT does so in the belief that these recent patent application are relevant
to present discussions within the IETF.
B. Does this disclosure relate to an unpublished pending patent application?:
- Has patent pending
V. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
- See Text Below for Licensing Declaration
- Licensing information, comments, notes, or URL for further information
Also in accordance with IETF Rules, BT hereby gives the assurance that,
following approval by the IESG of the relevant Internet standards
specification, BT will grant licences under these patent applications and
under any resultant patents, on openly specified, reasonable and
non-discriminatory terms, to implement the Internet standards specification,
provided the licensee similarly grants licences under its necessary
For and behalf of British Telecommunications Plc.
Head of Licensing
Intellectual Property Department
Group Legal Services
British Telecommunications Plc
London EC1N 2TE
Tel: +44 171 492 8152
Fax: +44 171 242 0616
Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
VI. Contact Information of Submitter of this Form
- Submitter name
- Submitter email
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