G11B 20/0071
Involving a purchase action
Official title: {involving a purchase action}
G11B20/0071 (Involving a purchase action) appears on 353 US grants and 321 published applications in this corpus.
Search patents in G11B- Granted patents
- 353
- Published applications
- 321
- Assignees
- 99
- Inventors
- 441
- Latest grant
- 22 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 8 |
| 2002 | 24 | 36 |
| 2003 | 25 | 57 |
| 2004 | 19 | 27 |
| 2005 | 17 | 29 |
| 2006 | 26 | 24 |
| 2007 | 28 | 37 |
| 2008 | 18 | 25 |
| 2009 | 22 | 15 |
| 2010 | 27 | 17 |
| 2011 | 18 | 8 |
| 2012 | 17 | 11 |
| 2013 | 8 | 7 |
| 2014 | 10 | 6 |
| 2015 | 5 | 5 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 4 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Enhanced content tracking system and method22 Sep 2020US 10,783,224 B2Time Machine Capital Limited
- System and methods for permitting open access to data objects and for securing data within the data objects5 May 2020US 10,644,884 B2Wistaria Trading, Inc.
- System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state12 Nov 2019US RE47,730 E1Nokia Technologies Oy
- System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state3 Sep 2019US RE47,595 E1Nokia Technologies Oy
- Enhanced content tracking system and method23 Apr 2019US 10,268,808 B2Time Machine Capital Limited
- Enhanced content tracking system and method21 Oct 2021US 2021/0326415 A1Time Machine Capital Limited
- Enhanced content tracking system and method8 Aug 2019US 2019/0243954 A1Time Machine Capital Limited
- System and methods for permitting open access to data objects and for securing data within the data objects24 Jan 2019US 2019/0028272 A1Wistaria Trading, Inc.
- Enhanced content tracking system and method28 Jun 2018US 2018/0181730 A1Time Machine Capital Limited
- System and methods for permitting open access to data objects and for securing data within the data objects12 Oct 2017US 2017/0294206 A1Wistaria Trading, Inc.
Most cited
By later US patents
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Connected audio and other media objects859US 6,505,160 B1Digimarc Corporation · 2003
- Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management720US 6,658,568 B1Intertrust Technologies Corporation · 2003
- Systems and methods using cryptography to protect secure computing environments603US 6,157,721 AIntertrust Technologies Corporation · 2000
- System for transmitting desired digital video or audio signals542US 5,675,734 AParsec Sight/Sound, Inc. · 1997