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Patents in Lawsuit
1.
Patents in Lawsuit:
3G, 4G Mobile & RFID March 2012 ©2012 TechIPm, LLC All Rights Reserved www.techipm.com
2.
Contents I. 3G Mobile
Patent II. 4G LTE Patent III. RFID Patent ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 2
3.
I. 3G Mobile
Patent ©2012 TechIPm, LLC All Rights Reserved www.techipm.com
4.
1. Samsung Patent
for Apple Lawsuit: Is US 7706348 an Essential Patent for 3G Smartphone? US 7706348, titled “Apparatus And Method For Encoding/Decoding Transport Format Combination Indicator In CDMA Mobile Communication System”, is one of key patents that is used to sue Apple. Recently, Apple claimed that Samsung violated FRAND commitments specified in ETSI’s IPR policy. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 4
5.
1. Samsung Patent
for Apple Lawsuit: Is US 7706348 an Essential Patent for 3G Smartphone? -2 An essential patent is defined as patent that contain one or more claims that are infringed by the implementation of a specification for standardized technology. Thus, if a 3G Smartphone product is implemented following the standard specifications, it should infringe some essential patents. US 7706348 relates to an encoder for transmitting a transport format combination indicator (TFCI). It is based on Samsung’s proposed TFCI coding scheme, which is a part of TS 25.212 specification during the 3GPP’s standardization process. Even if the proposal was not accepted as a standard, it is widely adopted by Smartphone manufactures. The issue is whether a patent proposed during a standardization process, but not specified in the standards, could be an essential patent. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 5
6.
II. 4G LTE
Patent ©2012 TechIPm, LLC All Rights Reserved www.techipm.com
7.
2.1 Samsung’s LTE
Patent War Against Apple AnS. Korea’s major IT news paper ETNEWS reported that Samsung started to i nvestigate a possible patent infringement for LTE technology adopted in Apple’s next version of its tablet, iPAD3 (http://www.etnews.com/news/home_mobile/inf ormation/2568398_1483.html). Because it is known that Apple’s iPAD3 uses Qualcomm’s LTE chipsets, in case that Samsung sues Apple for LTE patent infringement, it could be possible that Apple may defend using exhaustion theory. The defense base on exhaustion th eory, however, will depend on the existence of a cross-licensing agreement bet ween Samsung and Qualcomm. Another possible defense strategy may be a counter attack utilizing the acquire d Nortel’s LTE patents. Recent TechIPm’s intensive research of LTE patents es sential for LTE devices implementation (LTE Essential Patent Candidates 3Q 2 011: http://techipm-innovationfrontline.blogspot.com/2011/07/lte-essential-paten t-candidates-2011-3q.html), however, indicates that Nortel’s LTE patent portfolio may not be strong enough for the counter attack. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 7
8.
2.1 Samsung’s LTE
Patent War Against Apple -2 TechIPm’s LTE patent research specifically focused on LTE mobile devices currently deployed in the US market (cf. the data in recent Article One’s LTE patent report is mixed with infrastructure equipments patent information for the future EU market). ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 8
9.
2.2 Adaptix’s LTE
Patent in Lawsuit Against Apple Adaptix sued Apple for patent infringement of Apple’s next version of its tablet, iPAD3 based on its patents US6947748 and US7454212. The lawsuit was about LTE technology adopted in iPAD3. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 9
10.
2.2 Adaptix’s LTE
Patent in Lawsuit Against Apple -2 Adaptix’s patents US6947748 and US7454212 relate to channel evaluation method and adaptive modulation/coding scheme in OFDMA system utilizing reference signals (because Adaptix’s patents were aimed at WiMAX (802.11e) standards originally, they used the term pilot signals instead of reference signals). Even though the channel evaluation method and adaptive modulation/coding scheme in OFDMA system utilizing reference signals are described in LTE standard specifications (TS36.211, 212, 213, 300, and 321), preliminary comparative research between claims in the patents and specifications shows that Adaptix’s patents US6947748 and US7454212 may not be essential for the implementation of iPAD3. Further more, TechIPm’s intensive research of LTE patents essential for LTE devices implementation (LTE Essential Patent Candidates 3Q 2011: http://techi pm-innovationfrontline.blogspot.com/2011/07/lte-essential-patent-candidates-20 11-3q.html), indicates that Qualcomm’s LTE chipsets, which are used in of iPAD3, may be protected by Qualcomm’s LTE patent portfolio. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 10
11.
III. RFID Patent ©2012
TechIPm, LLC All Rights Reserved www.techipm.com
12.
3. RFID Patent
in Lawsuit USRE41531, titled “Communications Systems For Radio Frequency Identification”, is one of key patents that is used to sue retail companies (Macy’s, Gap, J.C. Penney etc.) by Round Rock Research LLC. Round Rock Research LLC is founded by John Desmarais, a famous patent attorney for his won in a $1.52 billion verdict for Alcatel-Lucent against Microsoft in 2007. Ref. RFID Patent Lawsuit Early Warning: http://techipm-innovationfrontline.blog spot.com/2010/06/rfid-patent-lawsuit-early-warning.html ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 12
13.
3. RFID Patent
in Lawsuit -2 USRE41531 relates to collision avoidance technology, which is essential in operating passive UHF RFID system (standardized as ISO 18000-6C & EPC Global Gen 2): BACKGROUND OF THE INVENTION: When the interrogator sends a message to a transponder device requesting a reply, there is a possibility that multiple transponder devices will attempt to respond simultaneously, causing a collision, and thus causing an erroneous message to be received by the interrogator. For example, if the interrogator sends out a command requesting that all device s within a communications range identity themselves, and gets a large number of simultaneously replies, the interrogator may not be able to interpret any of these replies. Thus, arbitration schemes are employed to permit communications free of collision. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 13
14.
3. RFID Patent
in Lawsuit -3 SUMMARY OF THE INVENTION: One aspect of the invention provides a method of establishing wireless communications between an interrogator and individual ones of multiple wireless identification devices. The method comprises utilizing a tree search method to establish communications without collision between the interrogator and individual ones of the multiple wireless identification devices. A search tree is defined for the tree search method. The tree has multiple levels respectively representing subgroups of the multiple wireless identification devices. The method further comprising starting the tree search at a selectable level of the search tree. In one aspect of the invention, the method further comprises determining the maximum possible number of wireless identification devices that could communicate with the interrogator, and selecting a level of the search tree based on the determined maximum possible number of wireless identification devices that could communicate with the interrogator. In another aspect of the invention, the method further comprises starting the tree search at a level determined by taking the base two logarithm of the determined maximum possible number, wherein the level of the tree containing all subgroups is considered level zero, and lower levels are numbered consecutively. ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 14
15.
Thank you!
• If you have any questions about TechIPm’s products and services, please contact Dr. Alex G. Lee at alexglee@techipm.com ©2012 TechIPm, LLC All Rights Reserved www.techipm.com 15