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.

12,996 US filings from 2,074 companies since 2023 · 2023: 3,737 · 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.	503	125	143	163	72	+14.0%
2	Huawei Technologies Co., Ltd.	410	124	98	120	68	+22.4%
3	Bank of America Corporation	381	90	116	122	53	+5.2%
4	Palo Alto Networks, Inc.	289	56	68	112	53	+64.7%
5	DELL PRODUCTS L.P.	277	50	80	109	38	+36.2%
6	Microsoft Technology Licensing, LLC	222	52	59	78	33	+32.2%
7	Telefonaktiebolaget LM Ericsson (publ)	206	61	58	60	27	+3.4%
8	Fortinet, Inc.	187	48	63	56	20	-11.1%
9	Zscaler, Inc.	172	34	41	66	31	+61.0%
10	Oracle International Corporation	148	36	31	59	22	+90.3%
11	UAB 360 IT	146	77	54	11	4	-79.6%
12	International Business Machines Corporation	139	49	45	30	15	-33.3%
13	Nokia Technologies Oy	131	35	44	39	13	-11.4%
14	Sophos Limited	130	42	41	30	17	-26.8%
15	NEC CORPORATION	129	31	50	35	13	-30.0%
16	Capital One Services, LLC	128	35	32	43	18	+34.4%
17	Juniper Networks, Inc.	110	33	42	29	6	-31.0%
18	AT&T Intellectual Property I, L.P.	104	46	26	19	13	-26.9%
19	Comcast Cable Communications, LLC	104	28	27	38	11	+40.7%
20	Hewlett Packard Enterprise Development LP	83	28	21	23	11	+9.5%
21	Wiz, Inc.	83	12	17	39	15	+129.4%
22	Level 3 Communications, LLC	82	21	29	26	6	-10.3%
23	Verizon Patent and Licensing Inc.	82	26	28	17	11	-39.3%
24	VMware, Inc.	81	59	17	3	2	-82.4%
25	T-MOBILE INNOVATIONS LLC	80	19	22	21	18	-4.5%