G06F 2221/21
Indexing scheme relating to g06f21/00 and subgroups addressing additional information or applications
Official title: Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
G06F2221/21 (Indexing scheme relating to g06f21/00 and subgroups addressing additional information or applications) appears on 26,496 US grants and 30,638 published applications in this corpus.
Search patents in G06F- Granted patents
- 26,496
- Published applications
- 30,638
- Assignees
- 6,149
- Inventors
- 47,862
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 21 | 0 |
| 1990 | 16 | 0 |
| 1991 | 25 | 0 |
| 1992 | 20 | 0 |
| 1993 | 30 | 0 |
| 1994 | 40 | 0 |
| 1995 | 36 | 0 |
| 1996 | 70 | 0 |
| 1997 | 71 | 0 |
| 1998 | 132 | 0 |
| 1999 | 138 | 0 |
| 2000 | 154 | 0 |
| 2001 | 194 | 139 |
| 2002 | 167 | 564 |
| 2003 | 188 | 612 |
| 2004 | 243 | 692 |
| 2005 | 272 | 995 |
| 2006 | 521 | 1038 |
| 2007 | 463 | 1121 |
| 2008 | 485 | 1172 |
| 2009 | 589 | 1107 |
| 2010 | 826 | 1130 |
| 2011 | 884 | 1080 |
| 2012 | 971 | 1107 |
| 2013 | 1262 | 1401 |
| 2014 | 1583 | 1610 |
| 2015 | 1644 | 1571 |
| 2016 | 1538 | 1674 |
| 2017 | 1462 | 1593 |
| 2018 | 1433 | 1482 |
| 2019 | 1634 | 1681 |
| 2020 | 1623 | 1725 |
| 2021 | 1486 | 1639 |
| 2022 | 1512 | 1567 |
| 2023 | 1463 | 1321 |
| 2024 | 1410 | 1151 |
| 2025 | 1177 | 881 |
| 2026 | 671 | 585 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G06F 2221/2141Access rightsIndexing code4,611
- G06F 2221/2111Location-sensitiveIndexing code3,281
- G06F 2221/2101Auditing as a secondary aspectIndexing code2,787
- G06F 2221/2107File encryptionIndexing code2,770
- G06F 2221/2149Restricted operating environmentIndexing code2,540
- G06F 2221/2129Authenticate client device independently of the userIndexing code1,874
- G06F 2221/2115Third partyIndexing code1,800
- G06F 2221/2137Time limited accessIndexing code1,677
All 27 subgroupsShow fewer
- G06F 2221/2143Clearing memoryIndexing code1,671
- G06F 2221/2113Multi-level securityIndexing code1,620
- G06F 2221/2105Dual mode as a secondary aspectIndexing code1,428
- G06F 2221/2103Challenge-responseIndexing code1,338
- G06F 2221/2119Authenticating web pagesIndexing code1,157
- G06F 2221/2117User registrationIndexing code1,155
- G06F 2221/2151Time stampIndexing code981
- G06F 2221/2153Using hardware token as a secondary aspectIndexing code919
- G06F 2221/2145Inheriting rights or propertiesIndexing code911
- G06F 2221/2133Verifying human interactionIndexing code820
- G06F 2221/2135MeteringIndexing code704
- G06F 2221/2147Locking filesIndexing code535
- G06F 2221/2139Recurrent verificationIndexing code444
- G06F 2221/2131Lost passwordIndexing code374
- G06F 2221/2109Game systemsIndexing code312
- G06F 2221/2123Dummy operationIndexing code216
- G06F 2221/2125Just-in-time application of countermeasuresIndexing code183
- G06F 2221/2127BluffingIndexing code137
- G06F 2221/2121Chip on mediaIndexing code115
Recent patents
- Systems and methods for region-specific sub-tokenization in cryptographic transaction processing6 Oct 2026US 12,754,690 B2Vannadium, Inc.
- Techniques for deterministically routing database requests to database servers6 Oct 2026US 12,754,881 B2Apple Inc.
- Method, apparatus, electronic device and storage medium for information processing6 Oct 2026US 12,754,884 B2Beijing Zitiao Network Technology Co., Ltd.
- Authentication device, authentication system, and authentication method6 Oct 2026US 12,754,993 B2Mitsubishi Electric Corporation
- Self-defending computing device6 Oct 2026US 12,755,009 B2Bank of America Corporation
- Container Onboarding in Distributed Cloud Environment8 Oct 2026US 2026/0310481 A1Bank of America Corporation
- Data transfer between two data processing units8 Oct 2026US 2026/0310804 A1Siemens Aktiengesellschaft
- Automated control of access to an asset in industrial pointcloud-based representation8 Oct 2026US 2026/0310805 A1Siemens Industry Software Inc.
- Electronic apparatus and method for controlling the same8 Oct 2026US 2026/0310806 A1Samsung Electronics Co., Ltd.
- Systems and methods for authenticating users to access data8 Oct 2026US 2026/0310814 A1Stripe, Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- Electronic content delivery system1,734US 6,226,618 B1International Business Machines Corporation · 2001
- Data security system and method for separation of user communities1,552US 7,140,044 B2Digital Doors, Inc. · 2006
- System for controlling the distribution and use of digital works1,495US 5,629,980 AXerox Corporation · 1997
- System for controlling the distribution and use of digital works having attached usage rights where the usage rights are defined by a usage rights grammar1,464US 5,715,403 AXerox Corporation · 1998