NORTEL NETWORKS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 16263
 
 
 
H04W WIRELESS COMMUNICATION NETWORKS 10173
 
 
 
H04B TRANSMISSION 9193
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 7190
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 7432
 
 
 
H04M TELEPHONIC COMMUNICATION 7161
 
 
 
H04Q SELECTING 7101
 
 
 
H04J MULTIPLEX COMMUNICATION 4116
 
 
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 3128
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3149

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2007/0076,878 Any-point-to-any-point ("AP2AP") quantum key distribution protocol for optical ring networkSep 30, 05Apr 05, 07[H04K]
2007/0076,887 Double phase encoding quantum key distributionSep 30, 05Apr 05, 07[H04L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9532303 Increasing time interval between successive searches for signaling of neighboring cells of a different wireless technologyJun 02, 10Dec 27, 16[H04W]
9253815 Session suspend and resume using a transient binding option messagingMay 13, 10Feb 02, 16[H04W]
9036570 Method and system for providing an uplink structure and improved channelization scheme in a wireless communication networkApr 16, 10May 19, 15[H04J, H04W]
8982997 Signaling and channel estimation for uplink transmit diversitySep 21, 10Mar 17, 15[H04L, H04B]
8953765 Call prioritization methods in a call centerJun 14, 12Feb 10, 15[H04M, G06Q]
8917703 Efficient location updates, paging and short burstsAug 12, 11Dec 23, 14[H04W, H04B]
8913583 Receiving information relation radio access technology capabilities of a mobile stationSep 14, 10Dec 16, 14[H04W]
8904245 Using a variable timer for sending an error indicationMay 04, 10Dec 02, 14[H04L, G06F]
8897797 Scheduling transmission of data at a base station based on an interference indicator message from another base stationJan 29, 10Nov 25, 14[H04W]
8867468 Joint uplink data processing by plural base stationsOct 13, 10Oct 21, 14[H04W]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0272,346 COVERAGE IMPROVEMENT IN WIRELESS SYSTEMS WITH FIXED INFRASTRUCTURE BASED RELAYSABANJun 12, 13Oct 17, 13[H04B]
2012/0051,362 METRO ETHERNET SERVICE ENHANCEMENTSABANNov 04, 11Mar 01, 12[H04L]
2012/0039,322 TRANSMITTING PARTICULAR CONTROL INFORMATION ON AN UPLINK TRAFFIC CHANNEL ON A REPEATED BASISABANApr 14, 10Feb 16, 12[H04W]
2012/0026,915 ZONING FOR DISTANCE PRICING AND NETWORK ENGINEERING IN CONNECTIONLESS AND CONNECTION-ORIENTED NETWORKSABANSep 09, 11Feb 02, 12[H04L]
2012/0002,656 Clientless Mobile Subscribers with Seamless Roaming Over Scalable Wide Area Wireless NetworksABANSep 13, 11Jan 05, 12[H04W]
2011/0317,678 Extended Private LANABANSep 07, 11Dec 29, 11[H04W]
2011/0283,000 Management of Queues in Contact CentresABANAug 02, 11Nov 17, 11[G06F]
2011/0267,988 APPARATUS AND METHOD FOR PACKET-BASED MEDIA COMMUNICATIONSABANJul 15, 11Nov 03, 11[H04L]
2011/0255,630 Enhanced MBS for OFDM SystemsABANSep 02, 09Oct 20, 11[H04L, H04W]
7822031 Multicast implementation in a link state protocol controlled ethernet networkWithdrawnFeb 05, 07Oct 26, 10[H04L]
2010/0244,950 AMPLIFIER PRE-DISTORTION SYSTEMS AND METHODSABANJun 09, 10Sep 30, 10[H03F]
2010/0129,077 TECHNIQUES FOR IMPLEMENTING A DUAL ARRAY WAVEGUIDE FILTER FOR A WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORKABANJun 29, 09May 27, 10[H04J]
2009/0232,150 SERVICE EDGE PLATFORM ARCHITECTURE FOR A MULTI-SERVICE ACCESS NETWORKABANAug 25, 05Sep 17, 09[H04L]
2009/0213,847 Communications system using a hospital telephony infrastructure to allow establishment of healthcare information sessions at hospital-wide points of careABANMar 16, 09Aug 27, 09[H04L]
2009/0125,148 Control Unit for an AwningABANNov 14, 06May 14, 09[G05B]
7516410 Method and system for supporting communications within a virtual team environmentExpiredNov 16, 05Apr 07, 09[G06F]
7516411 Graphical user interface for a virtual team environmentExpiredJan 17, 06Apr 07, 09[G06F]
7472352 Method and system for automatic handling of invitations to join communications sessions in a virtual team environmentExpiredMar 03, 06Dec 30, 08[G06F]
7469384 Method and system for creating a virtual team environmentExpiredMay 16, 05Dec 23, 08[G06F]
2008/0268,907 Switching in a Distributed Access NetworkABANJun 03, 05Oct 30, 08[H04Q]

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