US 7,490,151 C1 (1,670th)
Establishment of a secure communication link based on a domain name service (DNS) request
Edward Colby Munger, Crownsville, MD (US); Robert Dunham Short, III, Leesburg, VA (US); Victor Larson, Fairfax, VA (US); and Michael Williamson, South Riding, VA (US)
Filed by Edward Colby Munger, Crownsville, MD (US); Robert Dunham Short, III, Leesburg, VA (US); Victor Larson, Fairfax, VA (US); and Michael Williamson, South Riding, VA (US)
Assigned to VIRNETX INC., Scotts Valley Drive, CA (US)
Reexamination Request No. 95/001,714, Aug. 16, 2011.
Reexamination Certificate for Patent 7,490,151, issued Feb. 10, 2009, Appl. No. 10/259,494, Sep. 30, 2002.
Application 95/001,714 is a division of application No. 09/504,783, filed on Feb. 15, 2000, granted, now 6,502,135.
Application 09/504,783 is a continuation in part of application No. 09/429,643, filed on Oct. 29, 1999, granted, now 7,010,604.
Claims priority of provisional application 60/137,704, filed on Jun. 7, 1999.
Claims priority of provisional application 60/106,261, filed on Oct. 30, 1998.
Inter Partes Reexamination Certificate issued on Jun. 28, 2024.
Int. Cl. G06F 15/173 (2006.01); H04L 9/40 (2022.01); H04L 45/00 (2022.01); H04L 45/24 (2022.01); H04L 45/28 (2022.01); H04L 61/00 (2022.01); H04L 61/4511 (2022.01); H04L 61/5007 (2022.01); H04L 61/5076 (2022.01); H04L 61/5092 (2022.01); H04L 65/403 (2022.01); H04L 101/604 (2022.01)
CPC H04L 65/403 (2013.01) [H04L 45/00 (2013.01); H04L 45/24 (2013.01); H04L 45/28 (2013.01); H04L 61/35 (2013.01); H04L 61/4511 (2022.05); H04L 61/5007 (2022.05); H04L 61/5076 (2022.05); H04L 61/5092 (2022.05); H04L 63/0272 (2013.01); H04L 63/0407 (2013.01); H04L 63/0414 (2013.01); H04L 63/0428 (2013.01); H04L 63/08 (2013.01); H04L 63/1458 (2013.01); H04L 63/1466 (2013.01); H04L 63/1491 (2013.01); H04L 63/10 (2013.01); H04L 2101/604 (2022.05)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The patentability of claims 3, 4, 9, 10, 15 and 16 is confirmed.
Claims 1, 2, 6-8 and 12-14 were previously cancelled.
Claims 5 and 11 are cancelled.
3. The data processing device of claim 2, wherein step (iii) further comprises the step of:
(c) when the client is not authorized to access the secure server, returning a host unknown error message to the client.