Patent Theme
Network Security & Access Control
Methods and systems for protecting network resources and data from unauthorized access, misuse, or attack, encompassing authentication, authorization, encryption, and traffic filtering mechanisms. This includes securing communication channels and validating network access.
12,378 US filings from 2,027 companies since 2023 · 2023: 3,119 · 2024: 3,783 · 2025: 3,845 · 2026 YTD: 1,631
Routing, Switching & QoS
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Cisco Technology, Inc. | 477 | 99 | 143 | 163 | 72 | +14.0% |
| 2 | Huawei Technologies Co., Ltd. | 388 | 102 | 98 | 120 | 68 | +22.4% |
| 3 | Bank of America Corporation | 368 | 77 | 116 | 122 | 53 | +5.2% |
| 4 | Palo Alto Networks, Inc. | 278 | 45 | 68 | 112 | 53 | +64.7% |
| 5 | DELL PRODUCTS L.P. | 272 | 45 | 80 | 109 | 38 | +36.2% |
| 6 | Microsoft Technology Licensing, LLC | 215 | 45 | 59 | 78 | 33 | +32.2% |
| 7 | Telefonaktiebolaget LM Ericsson (publ) | 188 | 43 | 58 | 60 | 27 | +3.4% |
| 8 | Fortinet, Inc. | 178 | 39 | 63 | 56 | 20 | -11.1% |
| 9 | Zscaler, Inc. | 167 | 29 | 41 | 66 | 31 | +61.0% |
| 10 | Oracle International Corporation | 144 | 32 | 31 | 59 | 22 | +90.3% |
| 11 | International Business Machines Corporation | 131 | 41 | 45 | 30 | 15 | -33.3% |
| 12 | NEC CORPORATION | 123 | 25 | 50 | 35 | 13 | -30.0% |
| 13 | Nokia Technologies Oy | 123 | 27 | 44 | 39 | 13 | -11.4% |
| 14 | Capital One Services, LLC | 122 | 29 | 32 | 43 | 18 | +34.4% |
| 15 | UAB 360 IT | 119 | 50 | 54 | 11 | 4 | -79.6% |
| 16 | Sophos Limited | 117 | 29 | 41 | 30 | 17 | -26.8% |
| 17 | Juniper Networks, Inc. | 105 | 28 | 42 | 29 | 6 | -31.0% |
| 18 | AT&T Intellectual Property I, L.P. | 102 | 44 | 26 | 19 | 13 | -26.9% |
| 19 | Comcast Cable Communications, LLC | 99 | 23 | 27 | 38 | 11 | +40.7% |
| 20 | Wiz, Inc. | 82 | 11 | 17 | 39 | 15 | +129.4% |
| 21 | Hewlett Packard Enterprise Development LP | 81 | 26 | 21 | 23 | 11 | +9.5% |
| 22 | Verizon Patent and Licensing Inc. | 79 | 23 | 28 | 17 | 11 | -39.3% |
| 23 | Level 3 Communications, LLC | 77 | 16 | 29 | 26 | 6 | -10.3% |
| 24 | T-MOBILE INNOVATIONS LLC | 77 | 16 | 22 | 21 | 18 | -4.5% |
| 25 | SAMSUNG ELECTRONICS CO., LTD. | 74 | 25 | 20 | 22 | 7 | +10.0% |