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Standard Essential Patents in Litigations: UHF RFID, WLAN, LTE
1. Standard Essential Patents in Litigations
Following is the summary of Standard Essential Patents (SEPs) that are claimed to be infringed in recent patent litigations.
Patent Case Technology/Standard Accusation TechIPm’s
Essentiality
Analysis
US6690264 (Selective cloaking circuit for
use in a radiofrequency identification and
method of cloaking RFID tags)
http://www.google.com/patents/US6690264
Neology v. Sirit,
ITC 337-TA-875
UHF RFID/ISO 18000-
C
Sec. 6.3.2 Tag
selection, inventory,
and access
Because the Accused
IDentity Headlamp
Mount
Transponders operate in
accordance with the 6C
protocol, it must meet
this limitation of Claims
of the ‘264 Patent
Probably
SEP
US7136392 (System and method for
ordering data messages having differing
levels of priority for transmission over a
shared communication channel)
http://www.google.com/patents/US7136392
Intellectual
Ventures v.
Motorola, Case
0:13-cv-61358-
RSR
WiFi/IEEE 802.11n
Sec. 6. MAC service
definition
Motorola’s Photon Q 4G
LTE, Atrix HD and
Electrify M infringe
claim 9 of the ’392
patent.
Probably
SEP
US7848353 (Method, communication
system and communication unit for
synchronisation for multi-rate
communication)
http://www.google.com/patents/US7848353
Intellectual
Ventures v.
Motorola, Case
0:13-cv-61358-
RSR
LTE/3GPP TS 36.
101 Sec. 5.6 Channel
bandwidth
211 Sec. 6.11
Synchronization signals
Motorola’s Photon Q 4G
LTE, Atrix HD and
Electrify M infringe
claims 1 and 21 of
the ’353 patent.
Probably
not SEP
US7941151 (Method and system for
providing channel assignment information
used to support uplink and downlink
channels)
http://www.google.com/patents/US7941151
InterDigital v.
Samsung, ITC
337-TA-868
LTE/3GPP TS 36.
Providing channel
assignment information
to support uplink and
downlink transmissions
utilizing the DCI and
CRC scrambling for
RNTI as described in
Samsung Galaxy S3 is a
LTE capable mobile
communication device
that performs a method
for utilizing channel
assignment information
for an uplink shared
channel or a downlink
Positively
SEP