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PHARMASSET LTD

Overview
  • Total Patents
    93
About

PHARMASSET LTD has a total of 93 patent applications. Its first patent ever was published in 1997. It filed its patents most often in China, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and biotechnology are PHARMASSET INC, SCHOTT HERBERT and ALCHEMIA LTD.

Patent filings per year

Chart showing PHARMASSET LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Kyoichi A 43
#2 Stuyver Lieven 17
#3 Otto Michael J 15
#4 Stuyver Lieven J 14
#5 Shi Junxing 12
#6 Lesiak Krystyna 9
#7 Pankiewicz Krzysztof W 8
#8 Confalone Pasquale N 6
#9 Du Jinfa 6
#10 Schinazi Raymond F 6

Latest patents

Publication Filing date Title
CN101437524A Preparation of 2' ifluoro-2'- alkyl- substituted or other optionally substituted ribofuranosyl pyrimidines and purines and their derivatives
CN101023094A Preparation of alkyl-substituted 2-deoxy-2-fluoro-d-ribofuranosyl pyrimidines and purines and their derivatives
US2004181078A1 Tetraphosphonate bicyclic trisanhydrides
AU2003290816A1 Modified nucleosides as antiviral agents
ZA200306739B Method for the synthesis of 2',3'-dideoxy-2',3'-didehydro-nucleosides.
WO2004013298A2 2',3'-dideoxynucleoside analogues for the treatment or prevention of flavivitridae infections
MXPA04007876A Modified fluorinated nucleoside analogues.
WO03063771A2 N4-acylcytosine nucleosides for treatment of viral iinfections
EP1461041A2 Preparation of intermediates useful in the synthesis of antiviral nucleosides
CN1505635A Method for the synthesis of 2',3'-dideoxy-2',3'-didehydronucleosides
EP1366055A2 Antiviral agents for treatment of flaviviridae infections
TWI293306B Modified nucleosides for the treatment of viral infections and abnormal cellular proliferation
CA2426187A1 Modified nucleosides for the treatment of viral infections and abnormal cellular proliferation
AU2888502A Simultaneous quantification of nucleic acids in diseased cells
EP1238061A2 A new genotype of hepatitis b virus
EP1469003A2 Tetraphosphonate bicyclic trisanhydrides
EP0934325A1 Mycophenolic bisphosphonate compounds