AT& T INTELLECTUAL PROPERTY I, L.P. |
41 |
110 |
95 |
138 |
138 |
522 |
~INDIVIDUALLY OWNED PATENT |
40 |
47 |
47 |
51 |
47 |
232 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
33 |
35 |
27 |
48 |
78 |
221 |
AVAYA TECHNOLOGY CORP. |
10 |
16 |
46 |
80 |
67 |
219 |
CISCO TECHNOLOGY, INC. |
23 |
14 |
37 |
50 |
43 |
167 |
AT& T INTELLECTUAL PROPERTY II, L.P. |
3 |
9 |
30 |
37 |
43 |
122 |
MICROSOFT CORPORATION |
6 |
17 |
23 |
25 |
38 |
109 |
ALCATEL LUCENT |
6 |
5 |
12 |
20 |
41 |
84 |
SPRINT COMMUNICATIONS COMPANY L.P. |
7 |
6 |
18 |
20 |
15 |
66 |
HUAWEI TECHNOLOGIES CO., LTD. |
1 |
10 |
7 |
15 |
25 |
58 |
SAMSUNG ELECTRONICS CO., LTD. |
9 |
13 |
11 |
8 |
14 |
55 |
ALCATEL-LUCENT USA INC. |
1 |
20 |
21 |
8 |
0 |
50 |
AT&T CORP. |
13 |
22 |
13 |
0 |
0 |
48 |
AT& T INTELLECTUAL PROPERTY, INC. |
45 |
0 |
0 |
0 |
0 |
45 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
5 |
3 |
5 |
11 |
18 |
42 |
VERIZON PATENT AND LICENSING, INC. |
0 |
0 |
4 |
8 |
29 |
41 |
FUJITSU LIMITED |
5 |
2 |
8 |
7 |
17 |
39 |
VERIZON BUSINESS GLOBAL LLC |
7 |
9 |
7 |
10 |
6 |
39 |
NOKIA CORPORATION |
8 |
10 |
10 |
6 |
4 |
38 |
NORTEL NETWORKS LIMITED |
7 |
12 |
10 |
8 |
0 |
37 |
MITEL NETWORKS CORPORATION |
5 |
6 |
12 |
6 |
7 |
36 |
SPRINT SPECTRUM L.P. |
3 |
5 |
9 |
14 |
5 |
36 |
VERINT AMERICAS INC. |
1 |
4 |
8 |
7 |
14 |
34 |
BROTHER KOGYO KABUSHIKI KAISHA |
2 |
4 |
9 |
3 |
13 |
31 |
AT& T KNOWLEDGE VENTURES, L.P. |
27 |
1 |
2 |
0 |
0 |
30 |
AT& T MOBILITY II LLC |
4 |
3 |
3 |
10 |
10 |
30 |
TELEFONAKTIEBOLAGET LM ERICSSON |
7 |
1 |
2 |
1 |
19 |
30 |
RESEARCH IN MOTION LIMITED |
3 |
4 |
3 |
8 |
11 |
29 |
TOSHIBA CORPORATION |
1 |
4 |
9 |
11 |
3 |
28 |
BROADCOM CORPORATION |
4 |
3 |
5 |
4 |
11 |
27 |
ASPECT SOFTWARE, INC. |
0 |
0 |
10 |
9 |
7 |
26 |
PANASONIC CORPORATION |
2 |
6 |
8 |
5 |
5 |
26 |
GRAPE TECHNOLOGY GROUP, INC. |
5 |
1 |
1 |
8 |
10 |
25 |
SONY ERICSSON MOBILE COMMUNICATIONS AB |
1 |
8 |
4 |
9 |
3 |
25 |
EMBARQ HOLDINGS COMPANY LLC |
2 |
1 |
8 |
8 |
5 |
24 |
SIEMENS ENTERPRISE COMMUNICATIONS, INC. |
0 |
0 |
6 |
11 |
7 |
24 |
AT& T LABS, INC. |
8 |
3 |
3 |
6 |
3 |
23 |
VERIZON SERVICES CORP. |
5 |
4 |
6 |
2 |
6 |
23 |
NEC CORPORATION |
3 |
5 |
6 |
2 |
5 |
21 |
CALLWAVE, INC. |
3 |
3 |
4 |
4 |
6 |
20 |
GENESYS TELECOMMUNICATIONS LABORATORIES, INC. |
6 |
2 |
3 |
3 |
6 |
20 |
LG ELECTRONICS INC. |
0 |
9 |
5 |
2 |
4 |
20 |
MOTOROLA, INC. |
2 |
10 |
7 |
1 |
0 |
20 |
GOOGLE, INC. |
0 |
0 |
3 |
2 |
14 |
19 |
OKI ELECTRIC INDUSTRY CO., LTD. |
0 |
3 |
3 |
5 |
8 |
19 |
SECURUS TECHNOLOGIES, INC. |
1 |
0 |
3 |
7 |
8 |
19 |
SILICON LABORATORIES INC. |
8 |
4 |
1 |
4 |
2 |
19 |
SIEMENS AKTIENGESELLSCHAFT |
3 |
6 |
6 |
2 |
1 |
18 |
SONY CORPORATION |
2 |
3 |
4 |
3 |
6 |
18 |
POLYCOM, INC. |
0 |
1 |
3 |
3 |
10 |
17 |
ADC TELECOMMUNICATIONS, INC. |
6 |
1 |
6 |
3 |
0 |
16 |
NUANCE COMMUNICATIONS, INC. |
0 |
0 |
4 |
5 |
7 |
16 |
TEKELEC |
4 |
1 |
3 |
6 |
2 |
16 |
CENTURYLINK INTELLECTUAL PROPERTY LLC |
0 |
0 |
0 |
0 |
15 |
15 |
LEVEL 3 COMMUNICATIONS, LLC |
2 |
1 |
3 |
5 |
4 |
15 |
SHORETEL, INC |
3 |
0 |
1 |
5 |
6 |
15 |
APPLE, INC. |
0 |
1 |
0 |
5 |
8 |
14 |
FRANCE TELECOM |
2 |
5 |
2 |
2 |
3 |
14 |
INTEL CORPORATION |
5 |
3 |
3 |
0 |
3 |
14 |
NEC INFRONTIA CORPORATION |
4 |
4 |
1 |
4 |
1 |
14 |
PLANTRONICS INC |
2 |
2 |
3 |
4 |
3 |
14 |
SIEMENS COMMUNICATIONS, INC. |
5 |
9 |
0 |
0 |
0 |
14 |
AOL LLC |
4 |
3 |
1 |
3 |
2 |
13 |
BRITISH TELECOMMUNICATION, PLC |
3 |
4 |
3 |
0 |
3 |
13 |
NICE SYSTEMS LTD. |
1 |
2 |
1 |
1 |
8 |
13 |
TELECOMMUNICATION SYSTEMS, INC. |
0 |
0 |
1 |
6 |
6 |
13 |
SBC KNOWLEDGE VENTURES, L.P. |
7 |
5 |
0 |
0 |
0 |
12 |
VERIZON DATA SERVICES INC. |
1 |
1 |
3 |
5 |
2 |
12 |
AGERE SYSTEMS INC. |
1 |
2 |
2 |
4 |
2 |
11 |
ALCATEL |
2 |
4 |
5 |
0 |
0 |
11 |
LANTIQ DEUTSCHLAND GMBH |
0 |
0 |
3 |
3 |
5 |
11 |
UTBK, INC. |
2 |
1 |
1 |
4 |
3 |
11 |
VERIZON LABORATORIES INC. |
3 |
3 |
2 |
0 |
3 |
11 |
WEST CORPORATION |
0 |
1 |
1 |
4 |
5 |
11 |
ACCENTURE GLOBAL SERVICES LIMITED |
0 |
0 |
1 |
6 |
3 |
10 |
CANON KABUSHIKI KAISHA |
1 |
1 |
1 |
3 |
4 |
10 |
QWEST COMMUNICATIONS INTERNATIONAL INC. |
2 |
4 |
0 |
0 |
4 |
10 |
ROCKSTAR BIDCO L.P. |
0 |
0 |
0 |
1 |
9 |
10 |
SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG |
1 |
1 |
0 |
2 |
6 |
10 |
VTECH TELECOMMUNICATIONS LIMITED |
3 |
2 |
3 |
1 |
1 |
10 |
AT& T BLS INTELLECTUAL PROPERTY, INC. |
9 |
0 |
0 |
0 |
0 |
9 |
FORTEMEDIA, INC. |
2 |
0 |
4 |
1 |
2 |
9 |
HON HAI PRECISION IND. CO., LTD. |
0 |
0 |
0 |
3 |
6 |
9 |
INTELLISIST, INC. |
1 |
1 |
1 |
2 |
4 |
9 |
MARVELL INTERNATIONAL LTD. |
1 |
1 |
3 |
1 |
3 |
9 |
QUALCOMM, INC. |
0 |
3 |
1 |
2 |
3 |
9 |
SBC PROPERTIES, L.P. |
9 |
0 |
0 |
0 |
0 |
9 |
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. |
2 |
3 |
0 |
1 |
3 |
9 |
VONAGE NETWORK LLC. |
1 |
0 |
1 |
3 |
4 |
9 |
VOXER IP LLC |
0 |
0 |
0 |
0 |
9 |
9 |
3COM CORPORATION |
3 |
2 |
3 |
0 |
0 |
8 |
ADC DSL SYSTEMS, INC. |
3 |
3 |
0 |
1 |
1 |
8 |
ADTRAN |
0 |
3 |
2 |
1 |
2 |
8 |
CLEARONE COMMUNICATIONS, INC. |
0 |
0 |
0 |
7 |
1 |
8 |
FREESCALE SEMICONDUCTOR, INC. |
1 |
1 |
1 |
1 |
4 |
8 |
HONEYWELL INTERNATIONAL INC. |
1 |
1 |
2 |
3 |
1 |
8 |
INFINEON TECHNOLOGIES AG |
0 |
4 |
3 |
0 |
1 |
8 |
KYOCERA CORPORATION |
1 |
2 |
2 |
1 |
2 |
8 |
MINDSPEED TECHNOLOGIES, INC. |
0 |
2 |
5 |
1 |
0 |
8 |
MOTOROLA-MOBILITY, INC. |
0 |
0 |
0 |
4 |
4 |
8 |
RICOH COMPANY, LTD. |
1 |
0 |
1 |
3 |
3 |
8 |
SAP AKTIENGESELLSCHAFT |
0 |
1 |
3 |
3 |
1 |
8 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
1 |
1 |
3 |
2 |
1 |
8 |
TELEBUYER, LLC |
1 |
1 |
4 |
1 |
1 |
8 |
TEXAS INSTRUMENTS, INCORPORATED |
1 |
1 |
3 |
1 |
2 |
8 |
UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA) |
0 |
1 |
1 |
1 |
5 |
8 |
ADAPTIVE SPECTRUM AND SIGNAL ALIGNMENT, INC. |
0 |
1 |
2 |
3 |
1 |
7 |
BCE INC. |
0 |
1 |
1 |
4 |
1 |
7 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
0 |
3 |
1 |
0 |
3 |
7 |
HITACHI, LTD |
0 |
3 |
1 |
2 |
1 |
7 |
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. |
0 |
1 |
2 |
1 |
3 |
7 |
IKANOS COMMUNICATIONS, INC. |
1 |
1 |
0 |
1 |
4 |
7 |
LUCENT TECHNOLOGIES INC. |
7 |
0 |
0 |
0 |
0 |
7 |
MICROSTRATEGY, INC. |
3 |
1 |
0 |
1 |
2 |
7 |
MOSAID TECHNOLOGIES INC. |
0 |
0 |
4 |
1 |
2 |
7 |
MOTOROLA SOLUTIONS, INC. |
0 |
0 |
0 |
1 |
6 |
7 |
NEXTEL COMMUNICATIONS, INC. |
0 |
1 |
2 |
2 |
2 |
7 |
NOKIA SIEMENS NETWORKS GMBH & CO. KG |
1 |
1 |
0 |
1 |
4 |
7 |
SKYPE LIMITED |
0 |
0 |
0 |
2 |
5 |
7 |
TECH RADIUM, INC. |
2 |
2 |
2 |
1 |
0 |
7 |
TIME WARNER CABLE, INC. |
1 |
1 |
3 |
1 |
1 |
7 |
TOLLGRADE COMMUNICATIONS, INC. |
2 |
4 |
1 |
0 |
0 |
7 |
YAMAHA CORPORATION |
2 |
0 |
0 |
2 |
3 |
7 |
ZTE CORPORATION |
0 |
1 |
2 |
1 |
3 |
7 |
ASCENDENT TELECOMMUNICATIONS, INC. |
1 |
0 |
0 |
0 |
5 |
6 |
CLARITY TECHNOLOGIES INC. |
3 |
0 |
0 |
1 |
2 |
6 |
EMC CORPORATION |
2 |
1 |
1 |
1 |
1 |
6 |
GENERAL INSTRUMENT CORPORATION |
0 |
1 |
1 |
3 |
1 |
6 |
GN NETCOM A/S |
2 |
0 |
0 |
3 |
1 |
6 |
INTERVOICE LIMITED PARTNERSHIP |
2 |
1 |
0 |
1 |
2 |
6 |
KONINKLIJKE KPN N.V. |
2 |
1 |
0 |
2 |
1 |
6 |
LANGUAGE LINE SERVICES, INC. |
0 |
2 |
2 |
2 |
0 |
6 |
LIVEOPS, INC. |
0 |
0 |
1 |
3 |
2 |
6 |
NEXSTEP, INC. |
0 |
1 |
2 |
2 |
1 |
6 |
ORACLE INTERNATIONAL CORPORATION |
3 |
0 |
1 |
0 |
2 |
6 |
SBC TECHNOLOGY RESOURCES, INC. |
3 |
3 |
0 |
0 |
0 |
6 |
SERCONET LTD. |
1 |
5 |
0 |
0 |
0 |
6 |
TELLME NETWORKS, INC. |
0 |
2 |
0 |
1 |
3 |
6 |
THOMSON LICENSING S.A. |
0 |
2 |
2 |
1 |
1 |
6 |
TP LAB INC. |
1 |
0 |
1 |
2 |
2 |
6 |
YAHOO, INC. |
0 |
1 |
2 |
2 |
1 |
6 |
AMERICAN TELECONFERENCING SERVICES LTD. |
0 |
0 |
1 |
1 |
3 |
5 |
AUDIO CODES LTD. |
0 |
0 |
1 |
2 |
2 |
5 |
CONFINEMENT TELEPHONY TECHNOLOGY, LLC |
0 |
0 |
0 |
4 |
1 |
5 |
DEUTSCHE TELEKOM AG |
1 |
0 |
2 |
1 |
1 |
5 |
ERICSSON AB |
1 |
0 |
0 |
0 |
4 |
5 |
EVERCOM SYSTEMS, INC. |
1 |
4 |
0 |
0 |
0 |
5 |
EWI HOLDINGS, INC. |
0 |
3 |
1 |
0 |
1 |
5 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN |
0 |
1 |
2 |
2 |
0 |
5 |
MATTERSIGHT CORPORATION |
0 |
0 |
0 |
2 |
3 |
5 |
MOVIUS INTERACTIVE CORPORATION |
0 |
1 |
0 |
3 |
1 |
5 |
NOBLE SYSTEMS CORPORATION |
0 |
1 |
0 |
1 |
3 |
5 |
NTT DOCOMO, INC. |
0 |
0 |
1 |
1 |
3 |
5 |
SANYO ELECTRIC CO., LTD. |
2 |
3 |
0 |
0 |
0 |
5 |
SCENERA TECHNOLOGIES, LLC |
0 |
0 |
1 |
2 |
2 |
5 |
TELEMAZE LLC |
1 |
1 |
1 |
0 |
2 |
5 |
TELLABS OPERATIONS INC. |
4 |
0 |
0 |
1 |
0 |
5 |
ULTRATEC, INC. |
1 |
1 |
1 |
1 |
1 |
5 |
VIRTUAL HOLD TECHNOLOGY, LLC |
0 |
0 |
2 |
0 |
3 |
5 |
WALKER DIGITAL, LLC |
2 |
0 |
1 |
0 |
2 |
5 |