Source: http://www.google.com/patents/US7886144?dq=amazon.com
Timestamp: 2017-11-19 10:52:37
Document Index: 105596862

Matched Legal Cases: ['Application No. 2', 'Application No. 2', 'Application No. 04105423', 'Application No. 04105423', 'Application No. 04105423', 'Application No. 08166395', 'Application No. 08166395', 'Application No. 04105423', 'Application No. 04105423', 'Application No. 08166395', 'Application No. 04105423']

Patent US7886144 - System and method for retrieving certificates associated with senders of ... - Google Patents
A system and method for retrieving certificates and/or verifying the revocation status of certificates. In one embodiment, when a user opens a digitally signed message, a certificate that is required to verify the digital signature on the message may be automatically retrieved if it is not stored on...http://www.google.com/patents/US7886144?utm_source=gb-gplus-sharePatent US7886144 - System and method for retrieving certificates associated with senders of digitally signed messages
Publication number US7886144 B2
Application number US 10/975,987
Also published as US8341399, US8775798, US8788812, US20060112419, US20110099381, US20130007445, US20130013918
Publication number 10975987, 975987, US 7886144 B2, US 7886144B2, US-B2-7886144, US7886144 B2, US7886144B2
Inventors Michael S. Brown, Michael K. Brown, Neil P. Adams, Michael G. Kirkup, Herbert A. Little
Patent Citations (34), Non-Patent Citations (21), Referenced by (17), Classifications (16), Legal Events (3)
US 7886144 B2
13. The system of claim 8, wherein the at least one certificate property further comprises one or more of the certificate properties selected from the following group: the expiration status of the certificate, and the strength of the public key of the certificate.
2 Canadian First Office Action. Application No. 2,524,607. Dated: Jul. 20, 2009.
3 Canadian Office Action. Application No. 2,524,607. Dated: Apr. 7, 2010.
4 Co-pending U.S. Appl. No. 10/092,325, "System and Method for Providing Secure Message Signature Status and Trust Status Indication", Filed Mar. 6, 2002.
5 Crocker, S. et al., "MIME Object Security Services", Request for Comments, Oct. 1995, pp. 1-48.
6 European Communication pursuant to Article 96(2) EPC. Application No. 04105423.0-2413. Date: Jul. 25, 2006.
7 European Communication under Rule 71(3) EPC. Application No. 04105423.0. Dated: Oct. 27, 2008.
8 European Examination Report. Application No. 04105423.0. Date: Oct. 17, 2007.
9 European Examination Report. Application No. 08166395.7. Dated: Aug. 21, 2009.
10 European Partial Search Report. Application No. 08166395.7. Dated: Mar. 16, 2009.
11 European Search and Examination Report. Application No. 04105423.0. Dated: Feb. 23, 2005.
12 European Search Report. Application No. 04105423.0. Dated: Apr. 27, 2005.
13 European Search Report. Application No. 08166395.7. Dated: Jun. 2, 2009.
14 European Summons to Attend Oral Proceedings Pursuant to Rule 115(1) EPC. Application No. 04105423.0. Dated: May 8, 2008.
15 Notice of Allowance. U.S. Appl. No. 10/092,325. Dated: Jun. 23, 2006.
16 Notice of Allowance. U.S. Appl. No. 10/092,325. Dated: Oct. 26, 2005.
17 Request for Continued Examination and Information Disclosure Statement. U.S. Appl. No. 10/092,325. Dated: Jan. 25, 2006.
18 Response. U.S. Appl. No. 10/092,325. Dated: Aug. 22, 2005.
19 U.S. Appl. No. 60/568,451, not published.
20 United States Office Action. U.S. Appl. No. 10/092,325. Dated: Mar. 22, 2005.
21 Zimmerman, P. et al., "Introduction to Cryptography (PGP 6.5 User's Guide)", Jun. 6, 1999, pp. 1-88.
US8775798 * Sep 13, 2012 Jul 8, 2014 Blackberry Limited System and method for retrieving certificates associated with senders of digitally signed messages
US20130013918 * Sep 13, 2012 Jan 10, 2013 Resarch In Motion Limited System and method for retrieving certificates associated with senders of digitally signed messages
U.S. Classification 713/156, 713/176, 713/158, 713/175
Cooperative Classification H04L2209/80, H04L9/3247, H04L9/3263, H04L63/12, H04L63/0428, H04L63/0823
European Classification H04L9/32T, H04L9/32, H04L63/12, H04L63/04B, H04L63/08C
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BROWN, MICHAEL S.;BROWN, MICHAEL K.;ADAMS, NEIL P.;AND OTHERS;REEL/FRAME:016167/0879;SIGNING DATES FROM 20041115 TO 20041118
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BROWN, MICHAEL S.;BROWN, MICHAEL K.;ADAMS, NEIL P.;AND OTHERS;SIGNING DATES FROM 20041115 TO 20041118;REEL/FRAME:016167/0879