Tenofovir disoproxil fumarate/Emtricitabine

Patent oppositions filed in
Argentina, Brazil, India, and Thailand

This drug is missing the following documents, can you help us by contributing something?

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.

*For more knowledge of patent search, please refer to the tutorial Step 2: Patent Search & Analysis
*For more information of the patent landscape on medicines, please also refer to WHO patent landscape reports, UNITAID patent landscape reports, Medicines Patent Pool Patent Status Database

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
Brazil13-01-2004Gilead Sciences Inc.PI0406760-6WO/2004/064845Under ExaminationCombinationView/Comment
India29-07-2005Gilead Sciences Inc.3383/DELNP/2005WO/2004/064845RejectedCombination
India31-07-2008Gilead Sciences Inc.6665/DELNP/2008 (Divisional to 3383/DELNP/2005)WO/2004/064845WithdrawnCombination
India10-12-2007Gilead Sciences Inc.9527/DELNP/2007WO/2006/135932RejectedCombination

Is something missing? Help us by contributing missing data: Contribute

↑ Back to Top


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
Brazil20-08-2010GTPIPre-GrantUnder ExaminationCombinationPI0406760-6View/Comment
India25-03-2009Cipla Ltd.Pre-GrantRejectedCombination3383/DELNP/2005View/Comment
Brazil20-08-2010GTPIPre-GrantUnder ExaminationCombinationPI0406760-6View/Comment
Thailand18-07-2012Thai Network of People Living with HIV/AIDS (TNP+)OtherUnknownCombinationTH0401000086View/Comment
Argentina13-04-2015Fundación Grupo Efecto PositivoPre-GrantUnknownCombinationn/aView/Comment
Brazil01-11-2016GTPI - Grupo de Trabalho sobre Propriedade IntelectualPre-GrantUnder ExaminationCombinationPI0406760-6 - WO2004064845View/Comment

Is something missing? Help us by contributing missing data: Contribute

↑ Back to Top

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
RejectionIndia25-03-2009Delhi Patent Office3383/DELNP/2005View/Comment
RejectionIndia30-05-2011Delhi patent Office9527/DELNP/2007View/Comment

Is something missing? Help us by contributing missing data: Contribute

↑ Back to Top

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.

Additional documents that may inform the process of building a patent opposition.

Type of documentTitleDateCountryMore info
Disclousure of patent applications Landscape for WO 2006/135932Form 308-03-2011View/Comment

↑ Back to Top