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Created with Raphaël 2.1.0 30.11.1994 Opening of the national phase 30.12.1994 Filing of an application 31.01.1997 Publication of the PCT application (A) 31.05.1999 Publication of the decision of grant (B2) 30.11.1999 Completion of the opposition filing period 30.11.1999 Issuance of patent (C2) 03.01.2012 Publication of expiration of the patent

Patent expired


(11)Number of the document1224
(21)Number of the application95-0086
(22)Filing date of the application1992.01.03
 Date of filing the request for examination (de fond) 18.06.1997
(71)Name(s) of applicant(s), code of the countryBIOCHEM PHARMA INC., CA;
(72)Name(s) of inventor(s), code of the countryBELLEAU Bernard, CA; NGUYEN-BA Nghe, CA;
(73)Name(s) of owner(s), code of the countrySHIRE CANADA INC, CA;
(54)Title of the inventionApplication of nucleoside analogues with 1,3-oxathiolan for treatment of hepatitis B  
(13)Kind-of-document code
C2, BOPI 12/1999
B2, BOPI 05/1999
A, BOPI 01/1997
(51)International Patent Classification A61K 31/505 (2006.01);
(19)CountryCA
(41)Date of publication of the application1997.01.31
(45)Date of publication of patent granting decision:1999.05.31
(47)Date of issuance of patent1999.11.30
(30)Priority9100039.8, 1991.01.03, GB; 9109913,5, 1991.05.07, GB
(74)Patent attorneyJENICICOVSCAIA Galina, Str. Miron Costin nr. 15/2, of. 19-20, MD-2045, Chişinău, Republica Moldova
(85)Date of introducing the national procedure1994.11.30
(86)International applicationPCT/CA1992/000001, 1992.01.03
(87)International publicationWO 1992/11852, 1992.07.23
 Expired patents; Date of expiration2013.01.31
 Payment for maintenance up to the date2012.01.03
 Change of the owner
Nr. şi data deciziei:6386, 2009.06.16
Datele iniţiale:BIOCHEM PHARMA INC., CA; 275 Armand Frappier Boulevard, Laval, Quebac H7V 4A7, Canada
Datele finale:SHIRE BIOCHEM INC., CA; 2250, Boul. Alfred-Nobel Bur. 500 Ville Saint-laurent Quebec H4S 2C9
Nr. şi data deciziei:6950, 2009.07.02
Datele iniţiale:SHIRE BIOCHEM INC., CA; 2250, Boul. Alfred-Nobel Bur. 500 Ville Saint-laurent Quebec H4S 2C9
Datele finale:SHIRE CANADA INC, CA; 2250, Boul. Alfred-Nobel Bur. 500 Ville Saint-Laurent Quebec H4S 2C9
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