H04N 21/2541
Rights management
Official title: {Rights Management (protecting software against unauthorised usage in a vending or licensing environment G06F21/10; security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08)}
H04N21/2541 (Rights management) appears on 2,339 US grants and 2,869 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,339
- Published applications
- 2,869
- Assignees
- 717
- Inventors
- 3,686
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 18 | 0 |
| 2000 | 11 | 0 |
| 2001 | 17 | 17 |
| 2002 | 20 | 63 |
| 2003 | 11 | 90 |
| 2004 | 17 | 109 |
| 2005 | 37 | 96 |
| 2006 | 46 | 132 |
| 2007 | 40 | 141 |
| 2008 | 47 | 120 |
| 2009 | 53 | 112 |
| 2010 | 94 | 134 |
| 2011 | 87 | 99 |
| 2012 | 113 | 120 |
| 2013 | 145 | 148 |
| 2014 | 180 | 157 |
| 2015 | 138 | 135 |
| 2016 | 152 | 241 |
| 2017 | 156 | 168 |
| 2018 | 169 | 133 |
| 2019 | 155 | 129 |
| 2020 | 133 | 114 |
| 2021 | 118 | 102 |
| 2022 | 93 | 82 |
| 2023 | 104 | 85 |
| 2024 | 84 | 59 |
| 2025 | 59 | 55 |
| 2026 | 21 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System to establish a network of nodes and participants for dynamic management of media content rights25 Aug 2026US 12,720,161 B2Turner Broadcasting Systems, Inc.
- Methods and systems for alerting users regarding availability of unconsumed content4 Aug 2026US 12,699,933 B2Adeia Guides Inc.
- Verifying the rendering of video content at client devices using trusted platform modules23 Jun 2026US 12,666,117 B2Google Inc.
- Streaming digital rights management protected media content via WebRTC16 Jun 2026US 12,659,532 B1EZDRM, Inc.
- System and method for improved content creation by means of combining content from multiple individual content capture devices9 Jun 2026US 12,652,371 B2
- Lean private copy of media content within network-based digital video recordings20 Aug 2026US 2026/0246998 A1Adeia Media Holdings LLC
- System and method for improved content creation by means of combining content from multiple individual content capture devices6 Aug 2026US 2026/0230585 A1
- Geofencing for media content presented on a transport craft6 Aug 2026US 2026/0230664 A1ViaSat, Inc.
- Distribution system and server23 Jul 2026US 2026/0214285 A1JVCKENWOOD Corporation
- Server device, display device, and program23 Jul 2026US 2026/0214287 A1Radius 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
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- System for controlling the distribution and use of composite digital works982US 5,638,443 AXerox Corporation · 1997