TechIPm Research

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

2. 213 Sec. 7 & 8, 300
Sec. 11.1, and 212 Sec
5.3.3.1.
shared channel.
US6445917 (Mobile station measurements
with event-based reporting)
http://www.google.com/patents/US6445917
Ericsson v.
Samsung, ITC
337-TA-862
LTE/3GPP TS 36.
Measurements in the
process of handover
operation as described
in 331 Sec. 5 and TS
300 Sec. 10.1.3.
Samsung Galaxy S3 is a
LTE capable mobile
communication device
that performs handover
among plural mobile
stations.
Strongly
SEP
US8169992 (Uplink scrambling during
random access)
http://www.google.com/patents/US8169992
Ericsson v.
Samsung, ITC
337-TA-862
LTE/3GPP TS 36.
Contention based
random access
procedure utilizing
CRC scrambling for
RNTI as described in
213 Sec. 6, 300 Sec.
10.1.5, 321 Sec. 5.1,
and 212 Sec 5.3.
Samsung Galaxy S3 is a
LTE capable mobile
communication device
that performs a method
for random access
procedure utilizing CRC
scrambling for RNTI .
Positively
SEP
US6870808 (Channel Allocation in
Broadband Orthogonal Frequency-Division
Multiple-Access/Space-Division Multiple-
Access Networks)
http://www.google.com/patents/US6870808
Adaptix v.
Ericsson, ITC
337-TA-871
LTE/3GPP TS 36.
211 Sec. 6.2 Slot
structure and physical
resource elements
213 Sec.7 Physical
downlink shared
channel related
procedures
Ericsson’s RBS 6000
LTE base station
products infringe claims
of the ’353 patent.
Probably
not SEP
*For detail information about LTE standard essential patents: http://www.slideshare.net/alexglee/4g-lte-standard-essential-patent-
candidates-data-2q-2013
For more information, please contact Alex Lee at alexglee@techipm.com .
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