H04M 2203/6072
Authentication using challenger response
H04M2203/6072 (Authentication using challenger response) appears on 121 US grants and 123 published applications in this corpus.
Search patents in H04M- Granted patents
- 121
- Published applications
- 123
- Assignees
- 60
- Inventors
- 189
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 6 |
| 2015 | 8 | 3 |
| 2016 | 6 | 6 |
| 2017 | 13 | 8 |
| 2018 | 10 | 13 |
| 2019 | 16 | 10 |
| 2020 | 9 | 14 |
| 2021 | 16 | 39 |
| 2022 | 9 | 5 |
| 2023 | 12 | 6 |
| 2024 | 8 | 5 |
| 2025 | 7 | 3 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System and method for electronic notification in institutional communications30 Jun 2026US 12,671,766 B2Value-Added Communications, Inc.
- System and method for interrupting an incoming unwanted call on a mobile device23 Dec 2025US 12,506,833 B2AO Kaspersky Lab
- Remote access control16 Dec 2025US 12,500,982 B2Amazon Technologies, Inc.
- Preventing spam communications23 Sep 2025US 12,423,403 B1Uipco, LLC
- Automated vishing detection to prevent deepfake and chatbot attacks9 Sep 2025US 12,413,665 B2Bank of America Corporation
- Method and system to prevent fraudulent transactions25 Dec 2025US 2025/0390877 A1Mastercard International Incorporated
- Automated vishing detection to prevent deepfake and chatbot attacks23 Oct 2025US 2025/0330537 A1Bank of America Corporation
- Automated vishing detection to prevent deepfake and chatbot attacks13 Feb 2025US 2025/0055937 A1Bank of America Corporation
- Robocall blocking method and system5 Dec 2024US 2024/0406227 A1Georgia Tech Research Corporation
- System and method for electronic notification in institutional communications30 May 2024US 2024/0179244 A1Value-Added Communications, Inc.
Most cited
By later US patents
- Automatic device authentication and account identification without user input when application is started on mobile station188US 8,280,351 B1Cellco Partnership · 2012
- Trusted caller identification106US 10,149,156 B1Amazon Technologies, Inc. · 2018
- Accessing secure network areas by utilizing mobile-device authentication98US 8,151,328 B1Sprint Communications Co.L.P. · 2012
- Call tracking system utilizing an automated filtering function53US 8,634,520 B1Marchex, Inc. · 2014
- Automated verification of a telephone number41US 9,338,287 B1Whatsapp Inc. · 2016