Patent Theme
Network Intrusion Detection
Systems and methods for identifying and blocking unauthorized access, malicious activities, or abnormal behavior within a network by analyzing traffic, system logs, or behavioral patterns.
10,169 US filings from 1,675 companies since 2023 · 2023: 2,646 · 2024: 3,213 · 2025: 2,991 · 2026 YTD: 1,319
Network Security & Access Control
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Palo Alto Networks, Inc. | 416 | 80 | 106 | 149 | 81 | +40.6% |
| 2 | Bank of America Corporation | 373 | 75 | 126 | 120 | 52 | -4.8% |
| 3 | Cisco Technology, Inc. | 357 | 69 | 122 | 108 | 58 | -11.5% |
| 4 | Microsoft Technology Licensing, LLC | 241 | 57 | 74 | 79 | 31 | +6.8% |
| 5 | DELL PRODUCTS L.P. | 198 | 25 | 63 | 88 | 22 | +39.7% |
| 6 | International Business Machines Corporation | 172 | 56 | 56 | 47 | 13 | -16.1% |
| 7 | Nippon Telegraph and Telephone Corporation | 137 | 44 | 64 | 29 | · | -54.7% |
| 8 | Fortinet, Inc. | 133 | 32 | 42 | 46 | 13 | +9.5% |
| 9 | Capital One Services, LLC | 130 | 33 | 51 | 32 | 14 | -37.3% |
| 10 | Sophos Limited | 123 | 35 | 43 | 30 | 15 | -30.2% |
| 11 | Zscaler, Inc. | 122 | 27 | 28 | 49 | 18 | +75.0% |
| 12 | Huawei Technologies Co., Ltd. | 118 | 43 | 31 | 31 | 13 | 0.0% |
| 13 | NEC CORPORATION | 93 | 24 | 39 | 27 | 3 | -30.8% |
| 14 | Juniper Networks, Inc. | 90 | 27 | 42 | 14 | 7 | -66.7% |
| 15 | Acronis International GmbH | 88 | 20 | 25 | 32 | 11 | +28.0% |
| 16 | Panasonic Intellectual Property Corporation of America | 86 | 30 | 34 | 10 | 12 | -70.6% |
| 17 | Level 3 Communications, LLC | 82 | 24 | 28 | 25 | 5 | -10.7% |
| 18 | AT&T Intellectual Property I, L.P. | 81 | 30 | 19 | 21 | 11 | +10.5% |
| 19 | Hewlett Packard Enterprise Development LP | 77 | 28 | 19 | 15 | 15 | -21.1% |
| 20 | PAYPAL, INC. | 75 | 27 | 25 | 18 | 5 | -28.0% |
| 21 | Telefonaktiebolaget LM Ericsson (publ) | 65 | 13 | 19 | 21 | 12 | +10.5% |
| 22 | McAfee, LLC | 63 | 25 | 22 | 13 | 3 | -40.9% |
| 23 | Oracle International Corporation | 62 | 14 | 15 | 20 | 13 | +33.3% |
| 24 | Proofpoint, Inc. | 62 | 12 | 26 | 22 | 2 | -15.4% |
| 25 | Rapid7, Inc. | 62 | 23 | 28 | 10 | 1 | -64.3% |