Nova Patents
DE69521413D1

Cryptographic system and method with key escrow feature

Abstract

This record has no abstract on file.

Term

Term ended

Expired 13 January 2015, 11.7 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

81 members in 29 offices

This recordMember, by publication datePriority claim19 more offices are in the list below

Priority claims12

Priority claims
DocumentOfficeKindDate
18185994United States of AmericaA
18185994United States of AmericaA
27220394United States of AmericaA
27220394United States of AmericaA
9500531United States of AmericaW
9500531United States of AmericaW
181859–––
272203–––
9500531–––
US19940181859–––
US19940272203–––
WO1995US00531–––

Members81

Family members, oldest first
DocumentOfficeKind
CA2176032A1CanadaA1
WO9519672A2World Intellectual Property Organization (WIPO)A2
AU1680395AAustraliaA
WO9519672A3World Intellectual Property Organization (WIPO)A3
GB9610291D0United KingdomD0
HU9601870D0HungaryD0
IL118363D0IsraelD0
AU6084296AAustraliaA
EP0739560A1European Patent Office (EPO)A1
PL315574A1PolandA1
ZA963635BSouth AfricaB
CA2223305A1CanadaA1
WO9639765A1World Intellectual Property Organization (WIPO)A1
GB2301919AUnited KingdomA
AU5552196AAustraliaA
CN1138927AChinaA
CZ197896A3CzechiaA3
HUT75800AHungaryA
MX9602773AMexicoA
TW307075BTaiwan Province of ChinaB
CO4480074A1ColombiaA1
JPH09507729AJapanA
BR9506414ABrazilA
AR002213A1ArgentinaA1
AP626AAfrican Regional Intellectual Property Organization (ARIPO)A
NZ279622ANew ZealandA
US5799086AUnited States of AmericaA
MX9709760AMexicoA
CN1192834AChinaA
US5825880AUnited States of AmericaA
EP0872080A1European Patent Office (EPO)A1
US5841865AUnited States of AmericaA
US5850451AUnited States of AmericaA
BR9608416ABrazilA
US5857022AUnited States of AmericaA
US5867578AUnited States of AmericaA
US5872849AUnited States of AmericaA
KR19990022451ARepublic of KoreaA
AU705473B2AustraliaB2
HU216231BHungaryB
PL176458B1PolandB1
JPH11506222AJapanA
GB9918950D0United KingdomD0
AU4461999AAustraliaA
GB2337145AUnited KingdomA
US6009177AUnited States of AmericaA
NZ306846ANew ZealandA
NZ329891ANew ZealandA
IL118363AIsraelA
GB2301919BUnited KingdomB
GB2337145BUnited KingdomB
AU718265B2AustraliaB2
US6209091B1United States of AmericaB1
NZ500372ANew ZealandA
EP0739560B1European Patent Office (EPO)B1
AT202439TAustriaT
ATE202439T1AustriaT1
DE69521413D1This recordGermanyD1
ES2158081T3SpainT3
UA41387C2UkraineC2
DK0739560T3DenmarkT3
US2001050990A1United States of AmericaA1
PT739560EPortugalE
GR3036650T3GreeceT3
US2002013898A1United States of AmericaA1
OA10456AAfrican Intellectual Property Organization (OAPI)A
DE69521413T2GermanyT2
US6411716B1United States of AmericaB1
EP0872080A4European Patent Office (EPO)A4
US2005204129A1United States of AmericaA1
JP2005328574AJapanA
JP2006246543AJapanA
JP2006333520AJapanA
JP2007282295AJapanA
JP4083218B2JapanB2
US2009217034A1United States of AmericaA1
EP0872080B1European Patent Office (EPO)B1
AT492088TAustriaT
ATE492088T1AustriaT1
DE69638307D1GermanyD1
US8364967B2United States of AmericaB2