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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 379, Telephonic Communications

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 72 59 67 52 40 290
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION 74 71 94 37 0 276
INTERNATIONAL BUSINESS MACHINES CORPORATION 40 30 50 40 33 193
CISCO TECHNOLOGY, INC. 28 30 31 30 23 142
SBC PROPERTIES, L.P. 31 30 40 27 9 137
AT&T CORP. 43 22 29 26 13 133
AVAYA TECHNOLOGY CORP. 33 16 33 14 10 106
LUCENT TECHNOLOGIES INC. 40 16 31 11 7 105
NORTEL NETWORKS LIMITED 43 23 19 13 7 105
SIEMENS AKTIENGESELLSCHAFT 24 23 27 13 3 90
SPRINT COMMUNICATIONS COMPANY L.P. 21 12 21 12 7 73
ALCATEL 25 17 20 7 2 71
NOKIA CORPORATION 20 11 17 14 8 70
INTEL CORPORATION 12 20 14 13 5 64
AT& T INTELLECTUAL PROPERTY, INC. 0 0 0 18 45 63
TELEFONAKTIEBOLAGET LM ERICSSON 25 9 11 9 7 61
AGERE SYSTEMS INC. 23 10 15 5 1 54
SBC TECHNOLOGY RESOURCES, INC. 21 7 15 8 3 54
FUJITSU LIMITED 19 10 9 8 5 51
NEC CORPORATION 21 12 11 3 3 50
SAMSUNG ELECTRONICS CO., LTD. 9 14 9 6 9 47
SIEMENS COMMUNICATIONS, INC. 0 8 22 9 5 44
VERIZON SERVICES CORP. 17 7 8 6 5 43
SILICON LABORATORIES INC. 4 9 7 13 8 41
AT& T INTELLECTUAL PROPERTY I, L.P. 0 0 0 0 40 40
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 15 10 6 6 2 39
QWEST COMMUNICATIONS INTERNATIONAL INC. 11 4 12 8 2 37
AT& T BLS INTELLECTUAL PROPERTY, INC. 0 0 0 27 9 36
MOTOROLA, INC. 10 5 15 4 2 36
AT& T KNOWLEDGE VENTURES, L.P. 0 0 0 7 27 34
MICROSOFT CORPORATION 4 6 6 11 6 33
TEKELEC 2 6 14 7 4 33
3COM CORPORATION 18 5 4 2 3 32
INFINEON TECHNOLOGIES AG 4 13 11 3 0 31
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 8 6 7 4 5 30
ROCKWELL ELECTRONIC COMMERCE TECHNOLOGIES LLC 2 10 11 4 3 30
TEXAS INSTRUMENTS, INCORPORATED 3 9 10 6 1 29
SBC KNOWLEDGE VENTURES, L.P. 0 3 11 7 7 28
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. 25 2 0 1 0 28
LG ELECTRONICS INC. 5 10 10 2 0 27
BRITISH TELECOMMUNICATION, PLC 6 6 3 8 3 26
MCI, INC. 9 10 7 0 0 26
ADC TELECOMMUNICATIONS, INC. 9 1 5 3 6 24
GENESYS TELECOMMUNICATIONS LABORATORIES, INC. 5 0 8 4 6 23
LEGERITY, INC. 7 7 3 6 0 23
MICROSTRATEGY, INC. 8 7 3 2 3 23
SPRINT SPECTRUM L.P. 3 4 7 6 3 23
BROADCOM CORPORATION 4 5 7 1 4 21
AOL LLC 2 1 6 7 4 20
CONEXANT SYSTEMS, INC. 13 2 3 0 2 20
METRO ONE TELECOMMUNICATIONS, INC. 3 7 7 1 1 19
OKI ELECTRIC INDUSTRY CO., LTD. 7 8 1 3 0 19
VERIZON LABORATORIES INC. 4 3 3 6 3 19
AT& T LABS, INC. 0 0 0 10 8 18
MITEL NETWORKS CORPORATION 0 1 7 5 5 18
VERIZON CORPORATE SERVICES GROUP INC. 3 9 5 0 1 18
AGILENT TECHNOLOGIES, INC. 2 1 6 6 2 17
CANON KABUSHIKI KAISHA 6 4 4 2 1 17
NOKIA MOBILE PHONES LTD. 7 2 6 1 1 17
PARADYNE CORPORATION 7 2 6 2 0 17
TELLABS OPERATIONS INC. 1 1 7 3 4 16
ADTRAN 4 4 6 1 0 15
FRANCE TELECOM 2 1 6 3 2 14
KONINKLIJKE PHILIPS ELECTRONICS N.V. 7 2 5 0 0 14
TOSHIBA CORPORATION 7 3 1 2 1 14
NEC INFRONTIA CORPORATION 2 1 3 3 4 13
VERIZON BUSINESS GLOBAL LLC 0 0 0 6 7 13
PLANTRONICS INC 4 0 5 1 2 12
BROTHER KOGYO KABUSHIKI KAISHA 0 1 5 3 2 11
COMVERSE, LTD. 5 1 3 1 1 11
MCI, LLC 0 0 7 4 0 11
NOKIA NETWORKS OY 4 5 2 0 0 11
SONY CORPORATION 2 3 3 1 2 11
TELCORDIA TECHNOLOGIES, INC. 3 5 3 0 0 11
ADC DSL SYSTEMS, INC. 1 3 1 2 3 10
ASPECT COMMUNICATIONS CORP. 4 2 2 2 0 10
CINGULAR WIRELESS II, LLC 0 1 4 4 1 10
GENERAL INSTRUMENT CORPORATION 1 2 6 1 0 10
INTELLECT WIRELESS INC. 0 0 0 8 2 10
MITEL KNOWLEDGE CORPORATION 6 0 1 3 0 10
RICOH COMPANY, LTD. 1 2 3 3 1 10
SECURELOGIX CORPORATION 6 1 1 1 1 10
WORLDCOM, INC. 9 0 1 0 0 10
CALLWAVE, INC. 1 2 1 2 3 9
CONCERTO SOFTWARE, INC. 8 0 1 0 0 9
DEUTSCHE TELEKOM AG 1 0 1 6 1 9
HITACHI, LTD 3 2 0 4 0 9
INTERSIL AMERICAS INC. 0 2 4 3 0 9
INTRADO INC. 2 0 2 5 0 9
NTT DOCOMO, INC. 2 2 4 1 0 9
RESEARCH IN MOTION LIMITED 1 0 2 3 3 9
TERADYNE, INC. 3 3 2 1 0 9
THOMSON LICENSING S.A. 1 4 3 1 0 9
ZARLINK SEMICONDUCTOR INC. 2 1 5 1 0 9
COMVERSE, INC. 4 0 0 3 1 8
FREESCALE SEMICONDUCTOR, INC. 0 1 4 2 1 8
INTERVOICE LIMITED PARTNERSHIP 2 3 1 0 2 8
KONINKLIJKE KPN N.V. 1 2 0 3 2 8
LG-NORTEL CO., LTD. 0 0 3 4 1 8
MCI COMMUNICATIONS CORP. 4 2 1 1 0 8
MITEL CORPORATION 7 0 1 0 0 8
NMS COMMUNICATIONS CORPORATION 3 2 1 2 0 8
POLYCOM, INC. 0 3 3 2 0 8
SHARP LABORATORIES OF AMERICA, INC. 1 1 3 3 0 8
SIEBEL SYSTEMS, INC. 1 1 2 3 1 8
ALCATEL LUCENT 0 0 0 1 6 7
ALTIGEN COMMUNICATIONS, INC. 2 1 2 2 0 7
AMERITECH CORPORATION 0 1 3 1 2 7
ANALOG DEVICES, INC. 0 2 3 1 1 7
AUSTIN LOGISTICS INC. 0 2 3 2 0 7
DICTAPHONE CORPORATION 4 2 0 1 0 7
ERICSSON, INC. 4 0 3 0 0 7
INLINE CONNECTION CORPORATION 0 1 3 3 0 7
MINDSPEED TECHNOLOGIES, INC. 4 1 1 1 0 7
ROCKWELL ELECTRONIC COMMERCE CORP. 2 2 0 1 2 7
SANYO ELECTRIC CO., LTD. 2 1 2 0 2 7
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 1 3 2 1 7
T-NETIX, INC. 1 2 3 1 0 7
VTECH TELECOMMUNICATIONS LIMITED 0 1 2 1 3 7
WALKER DIGITAL, LLC 2 0 1 2 2 7
@SECURITY BROADBAND CORP 0 0 5 0 1 6
ACOUSTIC TECHNOLOGIES, INC. 2 1 2 0 1 6
BEN Q CORPORATION 1 0 4 0 1 6
CENTILLIUM COMMUNICATIONS, INC. 4 2 0 0 0 6
COMDIAL CORPORATION 4 0 2 0 0 6
CONVERGYS CMG UTAH INC. 1 1 3 1 0 6
ESTECH SYSTEMS, INC. 0 3 1 1 1 6
EVERCOM SYSTEMS, INC. 1 0 3 1 1 6
GRAPE TECHNOLOGY GROUP, INC. 0 0 1 0 5 6
HITACHI TELECOM TECHNOLOGIES, LTD. 3 0 3 0 0 6
MITSUBISHI DENKI KABUSHIKI KAISHA 3 1 1 1 0 6
QUALCOMM, INC. 3 0 1 2 0 6
SBC SERVICES, INC. 1 2 2 1 0 6
SPIRENT COMMUNICATIONS, INC. 0 2 2 2 0 6
SUN MICROSYSTEMS, INC. 1 1 4 0 0 6
ULTRATEC, INC. 0 2 2 1 1 6
UNISYS CORPORATION 3 0 2 0 1 6
2WIRE, INC. 3 1 0 1 0 5
ADVANCED MICRO DEVICES, INC. 3 1 0 1 0 5
ALCATEL CANADA, INC. 3 0 2 0 0 5
AMERITECH SERVICES, INC. 1 1 1 2 0 5
ASCENDENT TELECOMMUNICATIONS, INC. 0 0 0 4 1 5
CAPITAL ONE FINANCIAL CORPORATION 1 0 2 1 1 5
CHAMBERLAIN GROUP, INC. 2 2 0 1 0 5
CIENA CORPORATION 0 1 3 1 0 5
CORNING CABLE SYSTEMS LLC 1 2 2 0 0 5
GENERAL MOTORS CORPORATION 0 1 1 2 1 5
GLENAYRE ELECTRONICS, INC. 0 0 1 4 0 5
INTERACTIVE INTELLIGENCE, INC. 2 2 1 0 0 5
ITXC IP HOLDINGS S.A.R.L. 0 0 2 3 0 5
LSI LOGIC CORPORATION 0 2 2 0 1 5
NATIONAL SEMICONDUCTOR CORPORATION 1 3 0 0 1 5
NICE SYSTEMS LTD. 0 1 2 1 1 5
POINTSET CORPORATION 0 1 0 2 2 5
SK TELECOM CO., LTD 0 0 1 3 1 5
TELESECTOR RESOURCES GROUP, INC. 1 0 2 1 1 5
UT STARCOM, INC. 0 2 0 2 1 5
UTBK, INC. 0 0 0 3 2 5
VERIZON DATA SERVICES INC. 0 0 1 3 1 5
WEST CORPORATION 2 3 0 0 0 5
WINBOND ELECTRONICS CORP. 1 0 3 1 0 5
WORLDVOICE LICENSING, INC. 1 0 1 3 0 5
YAMAHA CORPORATION 0 2 1 0 2 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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