C12Q 1/56
Involving blood clotting factors
Official title: involving blood clotting factors, e.g. involving thrombin, thromboplastin, fibrinogen
C12Q1/56 (Involving blood clotting factors) appears on 497 US grants and 422 published applications in this corpus.
Search patents in C12Q- Granted patents
- 497
- Published applications
- 422
- Assignees
- 323
- Inventors
- 989
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 14 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 11 |
| 2003 | 5 | 16 |
| 2004 | 7 | 14 |
| 2005 | 3 | 13 |
| 2006 | 5 | 18 |
| 2007 | 9 | 14 |
| 2008 | 8 | 19 |
| 2009 | 8 | 23 |
| 2010 | 15 | 21 |
| 2011 | 22 | 16 |
| 2012 | 10 | 20 |
| 2013 | 17 | 28 |
| 2014 | 24 | 33 |
| 2015 | 19 | 23 |
| 2016 | 18 | 25 |
| 2017 | 13 | 12 |
| 2018 | 19 | 18 |
| 2019 | 14 | 19 |
| 2020 | 7 | 13 |
| 2021 | 22 | 21 |
| 2022 | 5 | 14 |
| 2023 | 7 | 8 |
| 2024 | 4 | 7 |
| 2025 | 6 | 13 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heparin-insensitive assay for factor XIa25 Aug 2026US 12,716,084 B2Takeda Pharmaceutical Company Limited
- Clinical decision support system16 Jun 2026US 12,656,333 B2Instrumentation Laboratory Company
- Aptamer based system to quantify anti-thrombin III in blood26 May 2026US 12,637,679 B2University of Florida Research Foundation, Inc.
- Methods of diagnosing malignant diseases5 May 2026US 12,618,841 B2St Innovative Diagnostics Ltd
- Apparatus and method to determine stroke subtype21 Apr 2026US 12,607,641 B2Haemonetics Corporation
- Clinical decision support system8 Oct 2026US 2026/0309696 A1Instrumentation Laboratory Company
- Method for detecting the presence, identification and quantification in a blood sample of anticoagulants which are blood coagulation enzymes inhibitors, and means for the implementation thereof12 Mar 2026US 2026/0071253 A1Diagnostica Stago
- Method for excluding factor xia inhibitors in patient samples5 Mar 2026US 2026/0063650 A1Siemens Healthcare Diagnostics Products GmbH
- Factor xa reagent25 Dec 2025US 2025/0389737 A1Instrumentation Laboratory Company
- Method and kit for monitoring anticoagulant therapy20 Nov 2025US 2025/0355004 A1Fiix Diagnostics
Most cited
By later US patents
- Polybifunctional reagent having a polymeric backbone and photoreactive moieties and bioactive groups478US 6,121,027 ASurModics, Inc. · 2000
- Apparatus and method for assaying coagulation in fluid samples145US 6,750,053 B1I-Stat Corporation · 2004
- Method for manufacturing a tissue factor-based prothrombin time reagent110US 7,049,087 B2LifeScan, Inc. · 2006
- Assay timed by electrical resistance change and test strip109US 5,344,754 AAvocet Medical, Inc. · 1994
- Device for performing timed assay by electrical resistance change85US 5,554,531 AAvocet Medical, Inc. · 1996