G06F 16/181
Providing write once read many [worm] semantics
Official title: {providing write once read many [WORM] semantics}
G06F16/181 (Providing write once read many [worm] semantics) appears on 71 US grants and 78 published applications in this corpus.
Search patents in G06F- Granted patents
- 71
- Published applications
- 78
- Assignees
- 35
- Inventors
- 139
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 2 | 6 |
| 2007 | 1 | 6 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 2 |
| 2011 | 4 | 3 |
| 2012 | 4 | 4 |
| 2013 | 5 | 2 |
| 2014 | 4 | 5 |
| 2015 | 4 | 6 |
| 2016 | 5 | 4 |
| 2017 | 6 | 6 |
| 2018 | 3 | 6 |
| 2019 | 5 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recovery of data associated with a locked snapshot via volume cloning functionality9 Dec 2025US 12,493,525 B2NetApp, Inc.
- Immutable storage of snapshot data in a public cloud environment29 Jul 2025US 12,373,390 B2Rubrik, Inc.
- Optimizing retention timeframes of deduplicated copies at storage platforms that are write-once read-many (WORM) enabled8 Jul 2025US 12,353,376 B2Commvault Systems, Inc.
- Systems and methods for optimizing storage and retention of deduplicated secondary copies at storage platforms that are write-once read-many (WORM) enabled9 Jul 2024US 12,032,542 B2Commvault Systems, Inc.
- Immutable storage of snapshot data in a public cloud environment23 Apr 2024US 11,966,362 B1Rubrik, Inc.
- Recovery of data associated with a locked snapshot via volume cloning functionality19 Mar 2026US 2026/0079794 A1NetApp, Inc.
- Immutable storage of snapshot data in a public cloud environment23 Oct 2025US 2025/0328494 A1Rubrik, Inc.
- Optimizing retention of deduplicated copies at write-once read-many (worm)-enabled storage2 Oct 2025US 2025/0307218 A1Commvault Systems, Inc.
- Recovery of data associated with a locked snapshot via volume cloning functionality1 May 2025US 2025/0138946 A1NetApp, Inc.
- Optimizing retention timeframes of deduplicated copies at storage platforms that are write-once read-many (worm) enabled22 Aug 2024US 2024/0281420 A1Commvault Systems, Inc.
Most cited
By later US patents
- Transaction synchronization in a disconnectable computer and network307US 5,991,771 ANovell, Inc. · 1999
- Policy-based management of a redundant array of independent nodes145US 7,155,466 B2Archivas, Inc. · 2006
- Method and apparatus for archival data storage134US 6,912,645 B2Lucent Technologies Inc. · 2005
- Processes and apparatuses for generating file correspondency through replication and synchronization between target and source computers109US 5,950,198 ANovell, Inc. · 1999
- Method and apparatus for patching code residing on a read only memory device103US 5,481,713 AApple Computer, Inc. · 1996