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Interactive People Unplugged AB (ipUnplugged) patent statement pertaining to NAT traversal

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Submitted Date: February 22, 2002

'I'. Patent Holder/Applicant ("Patent Holder")
Legal Name: Interactive People Unplug
'II'. Patent Holder's Contact for License Application
Name:Hans Sj�strand
Other Info:

Arenav�gen 33
SE-121 28 Stockholm, SWEDEN

'III'. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
Designations for Other Contributions:Interactive People Unplugged AB (ipUnplugged) patent statement pertaining to NAT traversal
'IV'. Disclosure of Patent Information (i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979)
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial, Publication, Registration, or Application/File number(s):

Country: USA

Notes: In order to allow the widest possible use of NAT traversal technology,
Interactive People Unplugged AB (ipUnplugged) presents the following
statement regarding its patents and patent applications relating to
NAT traversal.

ipUnplugged hereby makes it known that it will
not assert any claims in any patents issued in any country based on

- the US patent application 09/742,443 or any patent application
listing the same as a priority application,

against any party that makes, uses, sells, imports, or offers for sale
a conforming implementation of an IETF standards-track specification
of an Mobile IP NAT traversal module.

This statement is limited in that ipUnplugged does not give any
rights to incorporate NAT traversal technology covered by patents of
ipUnplugged in implementations for any other protocols other than the
IETF standards-track Mobile IP protocol.

This statement is limited in that ipUnplugged retains the right to
assert said patents against any party and any subsidiary of a party that
asserts a patent it owns or controls, either directly or indirectly,
against ipUnplugged or any of its subsidiaries or successors in title
for any implementation of or operation of any software or system
implementing technology specified by the IETF. ipUnplugged also
retains the right to claim damages for any prior use by such a party of
NAT traversal technology covered by patents of ipUnplugged.

B. Does this disclosure relate to an unpublished pending patent application?: no
'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):
Licensing information, comments, notes, or URL for further information:
No information submitted
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