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The patent EP2447254 was granted to Nippon Shinyaku on Dec 6, 2017. The application was filed on Jun 25, 2010 under application number EP10792183A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| HEXAL | Sep 5, 2018 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| GENERICS UK | Sep 4, 2018 | ELKINGTON AND FIFE | ADMISSIBLE |
| ALFRED E TIEFENBACHER | Sep 3, 2018 | HAMM & WITTKOPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO02088084 |
| DESCRIPTION | WO2009107736 |
| DESCRIPTION | WO2009154246 |
| DESCRIPTION | WO2009157396 |
| DESCRIPTION | WO2009157397 |
| DESCRIPTION | WO2009157398 |
| INTERNATIONAL-SEARCH-REPORT | EP1400518 |
| INTERNATIONAL-SEARCH-REPORT | WO2009107736 |
| INTERNATIONAL-SEARCH-REPORT | WO2009154246 |
| INTERNATIONAL-SEARCH-REPORT | WO2009157396 |
| INTERNATIONAL-SEARCH-REPORT | WO2009157397 |
| INTERNATIONAL-SEARCH-REPORT | WO2009157398 |
| OPPOSITION | EP1400518 |
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.
Date
Description
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(Electronic) Receipt
Appeal
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General enquiry
Appeal
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Advice of delivery
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Claims
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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Claims
Appeal
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Claims
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Reply to appeal
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Notice of appeal
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Dec 14, 2017
Nov 9, 2017
Decision to grant a European patent
Search/Exam
Oct 25, 2017
Filing of the translations of the claims
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Oct 25, 2017
French translation of claims
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Oct 25, 2017
German translation of the claims
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Oct 25, 2017
Payment of fees and costs
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Jun 23, 2017
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Intention to grant (signatures)
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Jun 23, 2017
Text intended for grant (clean copy)
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Jun 23, 2017
Mar 10, 2017
Mar 1, 2017
Annex
Search/Exam
Mar 1, 2017
Letter concerning the inventor
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Feb 22, 2017
Amended claims with annotations
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Feb 22, 2017
Amended description with annotations
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Feb 22, 2017
Claims
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Feb 22, 2017
Description
Search/Exam
Feb 22, 2017
Nov 7, 2016
Annex to the communication
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Nov 7, 2016
Communication from the Examining Division
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Nov 1, 2016
Examination started
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Aug 15, 2016
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Submission concerning representation
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Jan 7, 2015
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Amended claims with annotations
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Jun 14, 2013
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Dec 4, 2012
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European search opinion
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Nov 15, 2012
Supplementary European search report
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Apr 4, 2012
Notification of forthcoming publication
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Feb 29, 2012
Feb 1, 2012
Jan 19, 2012
(Electronic) Receipt
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Jan 19, 2012
Abstract
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Jan 19, 2012
Claims
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Jan 19, 2012
Description
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Jan 19, 2012
Drawings
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Jan 19, 2012
Request for entry into the European phase
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Jan 16, 2012
Nov 3, 2011
Information on entry into European phase
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Jan 18, 2011
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Dec 29, 2010
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Copy of the international search report
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Dec 29, 2010
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International publication pamphlet
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