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PREVIEW SYSTEMS INC

Overview
  • Total Patents
    19
About

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.

Patent filings in countries

World map showing PREVIEW SYSTEMS INCs patent filings in countries

Patent filings per year

Chart showing PREVIEW SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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