EP1607825A3

Digital content management system and apparatus

Abstract

A digital content management system is provided, which protects the secrets of a digital content in a network, characterized by a decryption/re-encryption apparatus (65, 66, 67) between networks (60, 61, 62). According to a preferred embodiment, said decryption/re-encryption apparatus comprises a configuration of crypt key conversion devices.

EP1607825A3, drawing sheet 1 — Sheet 1 of 1

Term

Term ended

Projected expiry passed 19 May 2018, 8.3 years ago.

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
EP0715241A2	Cites	European Patent Office (EPO)	AD	Search report	11
WO9613113A1	Cites	World Intellectual Property Organization (WIPO)	X	Search report	1-15

6 members in 2 offices

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
Document	Office	Kind	Date
14999997	Japan	–	1997-05-23
14999997	Japan	A	1997-05-23
98109085	European Patent Office (EPO)	A	1998-05-19

Members6

Family members, oldest first
Document	Office	Kind
EP0880088A2	European Patent Office (EPO)	A2	1998-11-25
JPH10326287A	Japan	A	1998-12-08
EP0880088A3	European Patent Office (EPO)	A3	2002-01-09
EP1607825A2	European Patent Office (EPO)	A2	2005-12-21
EP1607825A3This record	European Patent Office (EPO)	A3	2009-04-01
EP0880088B1	European Patent Office (EPO)	B1	2012-11-21

16 legal events, as 2 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2013-12-13	Applications withdrawn, deemed to be withdrawn, or refused after publication in hong kongWithdrawnWD	WD	HK
2012-11-14	Application withdrawnWithdrawn18W	18W	EP
2012-10-12	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA	STAA	EP
2011-07-27	First examination report despatched17Q	17Q	EP
2009-12-09	Designation fees paidAKX	AKX	EP
2009-11-11	Request for examination filed17P	17P	EP
2009-04-01	Designated contracting statesAK	AK	EP
2009-04-01	Request for extension of the european patentAX	AX	EP
2009-04-01	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2009-04-01	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2009-02-27	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
2006-12-15	Requests to designate patent in hong kongDE	DE	HK
2005-12-21	Divisional application: reference to earlier applicationAC	AC	EP
2005-12-21	Designated contracting statesAK	AK	EP
2005-12-21	Request for extension of the european patentAX	AX	EP
2005-11-04	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP