Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2009-03-16
2011-10-25
Shiferaw, Eleni (Department: 2437)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C726S004000, C713S170000, C713S171000, C705S054000
Reexamination Certificate
active
08046840
ABSTRACT:
A method is provided for use in distributing access to a data item. The method includes allowing multiple transfers between computers of a single instance of permission to gain access to the data item, the transfers occurring across data connections and including a first transfer between a first computer and a second computer and a subsequent transfer between the second computer and a third computer, wherein at any one time only one computer retains the instance of permission and is able to use the instance of permission to gain access to the data item.
REFERENCES:
patent: 4924378 (1990-05-01), Hershey et al.
patent: 5109413 (1992-04-01), Comerford et al.
patent: 5175851 (1992-12-01), Johnson et al.
patent: 5247575 (1993-09-01), Sprague et al.
patent: 5629980 (1997-05-01), Stefik et al.
patent: 5734823 (1998-03-01), Saigh et al.
patent: 5884308 (1999-03-01), Foulston
patent: 6032216 (2000-02-01), Schmuck et al.
patent: 6122631 (2000-09-01), Berbec et al.
patent: 6138119 (2000-10-01), Hall et al.
patent: 6230267 (2001-05-01), Richards et al.
patent: 6260145 (2001-07-01), Komura et al.
patent: 7516327 (2009-04-01), Kawell et al.
patent: 0695997 (1996-02-01), None
patent: 0715245 (1996-06-01), None
patent: 1125182 (2003-01-01), None
patent: WO96/27155 (1996-09-01), None
patent: WO97/20274 (1997-06-01), None
patent: WO98/08344 (1998-02-01), None
Lewis, “New Forms, Electronic Books Turn a Page”, New York Times, Circuits, Section G, p. 1, col. 1, Jul. 2, 1998.
Schneier, “Applied Cryptography”, 2ndEdition, Section 3.1, pp. 47-52, 1996.
Japan Patent Office, Reason for Rejection dated Jun. 26, 2009 for Japanese Patent Application No. 2000-575010, filed Oct. 7, 1999 (Translation), 4 pages.
Diaz Thomas R.
Heinen Mary Ellen
Heinen, Jr. Roger J.
Kawell, Jr. Leonard M.
Adobe Systems Incorporated
Callahan Paul
Fish & Richardson P.C.
Shiferaw Eleni
LandOfFree
Distributing access to a data item does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Distributing access to a data item, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Distributing access to a data item will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4295545