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Bilayer Tablet Formulations - EP2498758
The patent EP2498758 was granted to Astrazeneca on Jul 25, 2018. The application was filed on Nov 12, 2010 under application number EP10782113A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP2498758
- Application Number
- EP10782113A
- Filing Date
- Nov 12, 2010
- Status
- Granted And Under Opposition
- Jun 22, 2018
- Publication Date
- Jul 25, 2018
- External Links
- Slate, Register, Google Patents
Patent Summary
Bilayer tablet formulation for treating type 2 diabetes comprising a first layer of metformin extended release (XR) and a second layer of sodium-glucose transporter 2 (SGLT2) inhibitor, with optional film coating. The metformin XR layer is formulated with metformin hydrochloride, sodium carboxymethyl cellulose, hydroxypropyl methylcellulose, and magnesium stearate. The SGLT2 inhibitor layer is formulated with dapagliflozin, lactose anhydrous, microcrystalline cellulose, crospovidone, silicon dioxide, and magnesium stearate. The formulation provides a convenient and effective antidiabetic therapy for controlling blood glucose levels without weight gain associated with other therapies.
Patent Family
Patent Oppositions
Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| HOEFER & PARTNER PATENTANWALTE MBB | Apr 25, 2019 | - | WITHDRAWN |
Patent Citations (102) New
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| DESCRIPTION | US20040899641 |
| DESCRIPTION | EP0142146 |
| DESCRIPTION | EP0221025 |
| DESCRIPTION | EP2009010 |
| DESCRIPTION | FR2596393 |
| DESCRIPTION | GB2205837 |
| DESCRIPTION | US100000 |
| DESCRIPTION | US2007197623 |
| DESCRIPTION | US2009030198 |
| DESCRIPTION | US3674836 |
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| OPPOSITION | US2005266080 |
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Dossier Documents
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Decision to grant a European patent
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended description with annotations
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Letter accompanying subsequently filed items
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Annex to the communication
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(Electronic) Receipt
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Amended description with annotations
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended description with annotations
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Description
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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CDS Clean up - amended applicant details
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Aug 23, 2016
Aug 4, 2016
(Electronic) Receipt
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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May 27, 2014
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Annexes in respect of a client data request
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Payment of fees and costs
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Submission concerning representation
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Amended claims with annotations
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Amendments received before examination
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Payment of fees and costs
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(Electronic) Receipt
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Notification of the recording of a change
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Published international application - A2
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Nov 22, 2010
Abstract
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Claims
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Description
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