Tenofovir disoproxil fumarate

Abbreviation
TDF
Disease(s)
HIV/AIDS
Background
.pdf
Patents oppositions filed in
Brazil and India

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Patent Information

Information of patent applications filed at local or international levels, that are contributed by the users of PODB as being relevant to this medicine

Please note that PODB does not provide and guarantee the comprehensive patent landscape in all countries.

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Patent Applications

The table includes information of patent applications as filed in different countries, that are contributed by PODB users as being seen as relevant to this medicine.

CountryFiling datePriority dateApplicantNational numberInternational numberStatusPatent typeMore info
India25-07-1997Gilead Sciences Inc.2076/DEL/1997WO/1998/004569RejectedPro-Drug
India20-03-2007Gilead Sciences Inc.602/DEL/2007 (Divisional from 2076/DEL/1997)WO/1998/004569Under ExaminationPro-Drug
India24-07-1998Gilead Sciences Inc.2174/DEL/1998WO/1999/005150Salts and Others
India04-09-2002Gilead Sciences Inc.896/DEL/2002 (divisional from 2174/DEL/1998)WO/1999/005150RejectedSalts and Others
India24-09-2002Gilead Sciences Inc.963/DEL/2002 (divisional to 2174/DEL/1998WO/1999/005150RejectedSalts and Others
India29-05-2007Gilead Sciences Inc.1135/DEL/2007 (divisional to 896/DEL/2002)WO/1999/005150
India08-10-2007Gilead Sciences Inc.2100/DEL/2007 (divisional to 896/DEL/2002)WO/1999/005150
India03-11-2009Gilead Sciences Inc.2256/DEL/2009 (divisional to 2100/DEL/2007)WO/1999/005150
Brazil23-07-1998Gilead Sciences Inc.PI9811045-4WO/1999/005150RejectedSalts and Others
Brazil31-03-2009Gilead Sciences Inc.PI9816239-0 (Divisional to PI9811045-4)WO/1999/005150RejectedIndication

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Oppositions

Information related to relevant oppositions from around the world.

Patent Oppositions

The table includes oppositions aimed at contesting patents covering this drug. Note that at the country level, several patent applications can cover the same drug.

Please pay attention not only to the patent opposition, but also to the patent application it relates to, see column "Related Patent Application". To better identify similarities, the column "Patent Type" indicates a general classification of the patent. Arguments used to contest a specific type of patent may apply for another that fits in the same category.

CountryDateWho FiledOpposition typeOpposition statusPatent typeRelated patent applicationMore info
India26-06-2008SaharaPre-GrantPro-Drug2076/DEL/1997View/Comment
India15-09-2006Indian Network of People Living with HIV/AIDS (INP+) and Delhi Network of Positive People (DNP+)Pre-GrantPro-Drug2076/DEL/1997View/Comment
India22-09-2009Intermed LabsPre-GrantPro-Drug602/DEL/2007 (Divisional from 2076/DEL/1997)View/Comment
India09-05-2006Indian Network of People Living with HIV/AIDS (INP+) and Delhi Network of Positive People (DNP+)Salts and Others896/DEL/2002 (divisional from 2174/DEL/1998)View/Comment
India09-05-2006Indian Network of People Living with HIV/AIDS (INP+) and Delhi Network of Positive People (DNP+)Pre-GrantSalts and Others963/DEL/2002 (divisional to 2174/DEL/1998View/Comment
Brazil01-12-2006GTPISalts and OthersPI9811045-4View/Comment
Brazil05-11-2009GTPIPre-GrantIndicationPI9816239-0 (Divisional to PI9801145-4) View/Comment
Brazil06-12-2005FarmanguinhosPre-GrantSalts and OthersPI9811045-4View/Comment
India07-06-2012Delhi Network of Positive People (DNP+)Pre-GrantPolymorphs1135/DEL/2007 (divisional to 896/DEL/2002)View/Comment

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Patent Office Decisions

This table showcases the final ruling of patent offices over cases where patents have been opposed.

To better identify the case, the number of the patent application is provided in the table below.

Decision typeCountryDatePatent officeRelated patent applicationMore info
RejectionIndia30-07-2009Delhi Patent Office2076/DEL/1997View/Comment
RejectionIndia30-07-2009Delhi Patent Office896/DEL/2002 (divisional from 2174/DEL/1998)View/Comment
RejectionIndia09-03-2009Delhi Patent Office963/DEL/2002 (divisional to 2174/DEL/1998View/Comment
RejectionIndia26-06-2013Indian Patent Office1135/DEL/2007 (divisional to 896/DEL/2002)View/Comment

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Other Useful Resources

Information related to either legal proceedings or other useful points of information that could aid in the building of a strong patent opposition.

Court Cases

This table relates information on medicine patents contested through judicial channels.

Type of documentAuthorCountryDateRelated patent applicationMore info
AppealGileadBrazil11-01-2009PI9811045-4View/Comment

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