Patent oppositions filed in

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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.

*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
India24-08-1998Boehringer Ingelheim GmbH2485/DEL/1998US5366972RejectedFormulationsView/Comment

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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
India09-05-2006Indian Network of People Living with HIV/AIDS (INP+) and Positive Women Network (PWN+)Pre-GrantRefusedFormulations2485/DEL/1998View/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
RejectionIndia11-06-2008Delhi Patent Office2485/DEL/1998View/Comment

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Prior Art

This table lists related prior art used if a patent opposition has been filed on one or more of the patents.

TitleAuthorName of publicationPublishing dateRelated toRelated patent applicationMore info
US patent No. 5366972Boehringer Ingelheim22-11-1994Novelty2485/DEL/1998View/Comment
US patent No. 5620974Boehringer Ingelheim15-04-1997Novelty2485/DEL/1998View/Comment
5569760 Boehringer Ingelheim29-10-1996Novelty2485/DEL/1998View/Comment
Low-Voltage scanning Electron Microscope determination of nevirapine crystal habit in a pharmaceutical suspensionA. Angel et al50th Annual Meeting of the Electron Microscopy Society of America01-01-1992Novelty2485/DEL/1998View/Comment

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