PREVIEW SYSTEMS INC has a total of 19 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets computer technology, it methods for management and control are GUANGZHOU ZHONGZHI SOFTWARE DEV CO LTD, BEIJING JINGDONG CENTURY TRADE CO LTD and TILR CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | WIPO (World Intellectual Property Organization) | 6 | |
#3 | Canada | 4 | |
#4 | Australia | 3 |
# | Industry | |
---|---|---|
#1 | Computer technology | |
#2 | IT methods for management | |
#3 | Control | |
#4 | Audio-visual technology | |
#5 | Digital networks |
# | Technology | |
---|---|---|
#1 | Electric digital data processing | |
#2 | Data processing systems | |
#3 | Coin-freed | |
#4 | Digital information transmission | |
#5 | Television |
# | Name | Total Patents |
---|---|---|
#1 | Horstmann Cay S | 7 |
#2 | Van Os Ron | 3 |
#3 | Goldband Steve | 2 |
#4 | Floyd Michal | 2 |
#5 | Barth Jeffrey | 2 |
#6 | Li Weijun | 2 |
#7 | Xu Bin | 2 |
#8 | Sesma Jimmy L | 2 |
#9 | Horstman Cay S | 2 |
#10 | Lunde Ron E | 2 |
Publication | Filing date | Title |
---|---|---|
WO0201356A1 | Type conversion technique facilitating remote service invocation | |
WO0054385A1 | User transparent software malfunction detection and reporting | |
AU6239499A | Server-side commerce for deliver-then-pay content delivery | |
WO0004674A1 | Referrer-based system for try/buy electronic software distribution | |
WO9962017A1 | Secure electronic software packaging using setup-external unlocking module | |
US6009401A | Relicensing of electronically purchased software | |
US6285985B1 | Advertising-subsidized and advertising-enabled software | |
US6009525A | Multi-tier electronic software distribution | |
US6073256A | Digital product execution control | |
US6272636B1 | Digital product execution control and security | |
US6189097B1 | Digital Certificate |