H04M 2203/45
Related to voicemail messaging
Official title: related to voicemail messaging
H04M2203/45 (Related to voicemail messaging) appears on 1,099 US grants and 1,071 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,099
- Published applications
- 1,071
- Assignees
- 412
- Inventors
- 1,830
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 21 | 0 |
| 2000 | 19 | 0 |
| 2001 | 31 | 20 |
| 2002 | 38 | 71 |
| 2003 | 44 | 89 |
| 2004 | 52 | 66 |
| 2005 | 37 | 96 |
| 2006 | 58 | 80 |
| 2007 | 54 | 100 |
| 2008 | 49 | 80 |
| 2009 | 50 | 67 |
| 2010 | 48 | 62 |
| 2011 | 74 | 52 |
| 2012 | 78 | 39 |
| 2013 | 92 | 57 |
| 2014 | 88 | 40 |
| 2015 | 60 | 46 |
| 2016 | 42 | 34 |
| 2017 | 39 | 25 |
| 2018 | 32 | 17 |
| 2019 | 14 | 9 |
| 2020 | 12 | 4 |
| 2021 | 8 | 5 |
| 2022 | 4 | 3 |
| 2023 | 1 | 3 |
| 2024 | 7 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 2203/4536Voicemail combined with text-based messagingIndexing code608
- H04M 2203/4509Unified messaging with single point of access to voicemail and other mailIndexing code307
- H04M 2203/4563Voicemail monitoring during recordingIndexing code97
- H04M 2203/4545Message forwardingIndexing code50
- H04M 2203/4527Voicemail attached to other kind of messageIndexing code41
- H04M 2203/4554Sender-side editingIndexing code39
- H04M 2203/4518Attachments to voicemailIndexing code38
- H04M 2203/4581Sending message identifiers instead of whole messagesIndexing code20
Recent patents
- System and method for user communication in a network18 Aug 2026US 12,712,841 B2Match Group, LLC
- Voicemail as a message delivered to the device1 Jul 2025US 12,348,676 B2AT&T Intellectual Property I, L. P.
- Systems, methods, devices and arrangements for unified messaging13 May 2025US 12,301,767 B18x8, Inc.
- Communication forwarding based on content analysis24 Dec 2024US 12,177,385 B2Zoom Video Communications, Inc.
- Communication logging system12 Nov 2024US 12,143,538 B2
- Voicemail as a message delivered to the device18 Sep 2025US 2025/0294094 A1AT&T Intellectual Property I, L. P.
- Communication logging system27 Feb 2025US 2025/0071208 A1
- Redirecting Communications Using Speech-To-Text Analysis27 Feb 2025US 2025/0071209 A1Zoom Video Communications, Inc.
- Systems and methods for message editing30 Jan 2025US 2025/0039644 A1Fasetto, Inc.
- System and method for user communication in a network19 Dec 2024US 2024/0422120 A1Match Group, LLC
Most cited
By later US patents
- Personal communications internetworking1,899US 5,742,905 ABell Communications Research, Inc. · 1998
- Unified messaging system and method1,307US 5,608,786 AAlphanet Telecom Inc. · 1997
- System and method for instant VoIP messaging1,106US 7,535,890 B2Ayalogic, Inc. · 2009
- System and method for instant VoIP messaging1,083US 8,199,747 B2Ayalogic, Inc. · 2012
- System and method for instant VoIP messaging1,081US 8,724,622 B2Empire IP LLC · 2014