H04L 2209/56
Financial cryptography
Official title: Financial cryptography, e.g. electronic payment or e-cash
H04L2209/56 (Financial cryptography) appears on 6,906 US grants and 9,419 published applications in this corpus.
Search patents in H04L- Granted patents
- 6,906
- Published applications
- 9,419
- Assignees
- 2,481
- Inventors
- 11,800
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 14 | 0 |
| 1995 | 18 | 0 |
| 1996 | 22 | 0 |
| 1997 | 27 | 0 |
| 1998 | 44 | 0 |
| 1999 | 52 | 0 |
| 2000 | 49 | 0 |
| 2001 | 43 | 29 |
| 2002 | 32 | 174 |
| 2003 | 26 | 140 |
| 2004 | 44 | 130 |
| 2005 | 79 | 245 |
| 2006 | 124 | 224 |
| 2007 | 123 | 243 |
| 2008 | 122 | 311 |
| 2009 | 125 | 246 |
| 2010 | 212 | 211 |
| 2011 | 193 | 203 |
| 2012 | 183 | 170 |
| 2013 | 211 | 194 |
| 2014 | 188 | 119 |
| 2015 | 140 | 138 |
| 2016 | 134 | 167 |
| 2017 | 139 | 287 |
| 2018 | 158 | 332 |
| 2019 | 228 | 707 |
| 2020 | 413 | 1022 |
| 2021 | 561 | 924 |
| 2022 | 696 | 799 |
| 2023 | 695 | 852 |
| 2024 | 735 | 703 |
| 2025 | 664 | 514 |
| 2026 | 324 | 335 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for user authorization and access to services using contactless cards29 Sep 2026US 12,749,073 B2Capital One Services, LLC
- Authentication method and apparatus of biometric payment device, computer device, and storage medium29 Sep 2026US 12,749,074 B2Tencent Technology (Shenzhen) Company Limited
- Representing a contingent asset29 Sep 2026US 12,749,083 B2Rebate Assets, LLC
- Computer implemented systems and methods for storing, retrieving and communication data via a peer-to-peer network29 Sep 2026US 12,750,239 B2nChain Licensing AG
- Method and control device for securely checking an electronic ticket22 Sep 2026US 12,743,680 B2VDV eTicket Service GmbH & Co. KG
- Systems and methods for multi-entity blockchain-based event break prevention8 Oct 2026US 2026/0311172 A1Citibank, N. A.
- Computer system for providing payments, incentives, and fraud protection within or across industries8 Oct 2026US 2026/0311209 A1Pay With Spire, Inc.
- Health data exchange platform8 Oct 2026US 2026/0311858 A1Youngblood IP Holdings, LLC
- Agent-based production modeling with deterministic and probabilistic verification gating8 Oct 2026US 2026/0312820 A1EnergySolutions Al LLC
- Processing a contingent action token securely1 Oct 2026US 2026/0303347 A12BC Innovations, LLC
Most cited
By later US patents
- Secure online music distribution system1,448US 6,385,596 B1Liquid Audio, Inc. · 2002
- Electronic funds transfer instruments1,431US 5,677,955 ABell Communications Research, Inc. · 1997
- System and method for secure three-party communications1,364US 8,316,237 B12012
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Method and system for securing online identities1,216US 8,646,103 B22014