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The patent EP2261230 was granted to Chugai Seiyaku Kabushiki Kaisha on May 10, 2017. The application was filed on Sep 11, 2003 under application number EP10180577A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| BAXALTA | Feb 12, 2018 | HOFFMANN EITLE | ADMISSIBLE |
| DILG | Feb 12, 2018 | MAIWALD | ADMISSIBLE |
| EDER | Feb 9, 2018 | EDER | ADMISSIBLE |
| HOFFMANN EITLE | Feb 9, 2018 | HOFFMANN EITLE | ADMISSIBLE |
| NEUEFEIND | Feb 9, 2018 | MAIWALD | ADMISSIBLE |
| TAORMINO | Feb 8, 2018 | - | ADMISSIBLE |
| GLAXO GROUP | Feb 7, 2018 | KNIGHT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0239400 |
| DESCRIPTION | JPH0159878B |
| DESCRIPTION | JPH05504579 |
| DESCRIPTION | JPH08151398 |
| DESCRIPTION | JPH08506023 |
| DESCRIPTION | JPH0899902 |
| DESCRIPTION | JPS6112288 |
| DESCRIPTION | WO9012874 |
| DESCRIPTION | WO9201047 |
| DESCRIPTION | WO9203918 |
| DESCRIPTION | WO9219759 |
| DESCRIPTION | WO9220791 |
| DESCRIPTION | WO9306213 |
| DESCRIPTION | WO9311236 |
| DESCRIPTION | WO9312227 |
| DESCRIPTION | WO9319172 |
| DESCRIPTION | WO9402602 |
| DESCRIPTION | WO9425585 |
| DESCRIPTION | WO9501438 |
| DESCRIPTION | WO9515388 |
| DESCRIPTION | WO9602576 |
| DESCRIPTION | WO9633735 |
| DESCRIPTION | WO9634096 |
| DESCRIPTION | WO9813388 |
| DESCRIPTION | WO9814580 |
| DESCRIPTION | WO9951743 |
| EXAMINATION | EP1380589 |
| EXAMINATION | WO02072615 |
| OPPOSITION | EP0166623 |
| OPPOSITION | EP0628639 |
| OPPOSITION | EP0893450 |
| OPPOSITION | EP0960936 |
| OPPOSITION | EP0962467 |
| OPPOSITION | EP1380589 |
| OPPOSITION | EP1561756 |
| OPPOSITION | JP2002265609 |
| OPPOSITION | US5110910 |
| OPPOSITION | US5840297 |
| OPPOSITION | US6127526 |
| OPPOSITION | WO02072615 |
| OPPOSITION | WO2004024752 |
| OPPOSITION | WO9522389 |
| OPPOSITION | WO9635710 |
| OTHER | EP1380589 |
| OTHER | WO02072615 |
| SEARCH | EP0344796 |
| SEARCH | EP0628639 |
| SEARCH | EP0893450 |
| SEARCH | EP0960936 |
| SEARCH | EP0962467 |
| SEARCH | US6096872 |
| SEARCH | WO9522389 |
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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Decision to grant a European patent
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Filing of the translations of the claims
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Mar 24, 2017
French translation of claims
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Mar 24, 2017
German translation of the claims
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Mar 24, 2017
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Nov 17, 2016
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Intention to grant (signatures)
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Nov 17, 2016
Text intended for grant (clean copy)
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Nov 17, 2016
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Aug 5, 2016
Claims
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Aug 5, 2016
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Aug 5, 2016
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Aug 5, 2016
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Jun 13, 2016
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Annex to the communication
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Jan 28, 2016
Communication from the Examining Division
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Jan 22, 2016
May 28, 2015
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Description
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Apr 23, 2015
Filing of the translations of the claims
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Apr 23, 2015
Payment of fees and costs
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Apr 23, 2015
Translation of the claims
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Apr 23, 2015
Translation of the claims
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Apr 13, 2015
(Electronic) Receipt
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Apr 13, 2015
Letter accompanying subsequently filed items
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Apr 13, 2015
Non-patent literature filed by a third party
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Apr 13, 2015
Non-patent literature filed by a third party
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Apr 13, 2015
Observations by third parties
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Mar 12, 2015
Submission concerning representation
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Jan 7, 2015
Dec 19, 2014
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Intention to grant (signatures)
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Dec 19, 2014
Text intended for grant
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Aug 4, 2014
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Annex to the communication
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Mar 14, 2014
Communication from the Examining Division
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Feb 11, 2014
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Observations by third parties
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Dec 18, 2013
Amended claims with annotations
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Dec 18, 2013
Amended description with annotations
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Dec 18, 2013
Claims
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Dec 18, 2013
Description
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Dec 18, 2013
Sep 27, 2013
Sep 17, 2013
Matter concerning the application
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Aug 22, 2013
Matter concerning the application
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Aug 9, 2013
Annex to the communication
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Aug 9, 2013
Communication from the Examining Division
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Aug 6, 2013
Jul 5, 2013
Jun 27, 2013
Observations by third parties
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Jun 27, 2013
Patent document filed by a Third party
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Jun 13, 2013
Jun 13, 2013
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Intention to grant (signatures)
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Jun 13, 2013
Text intended for grant
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Sep 12, 2012
Amended claims with annotations
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Sep 12, 2012
Claims
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Sep 12, 2012
Description
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Sep 12, 2012
Jul 31, 2012
Jul 20, 2012
Mar 14, 2012
Annex to the communication
Search/Exam
Mar 14, 2012
Communication from the Examining Division
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Jun 15, 2011
Jun 15, 2011
Amended claims with annotations
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Jun 15, 2011
Amendments received before examination
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Dec 20, 2010
Dec 15, 2010
Refund of fees
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Nov 17, 2010
Nov 17, 2010
European search opinion
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Nov 17, 2010
European search report
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Nov 17, 2010
Notification of forthcoming publication
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Oct 8, 2010
Sep 28, 2010
Abstract
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Sep 28, 2010
Sep 28, 2010
Claims
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Sep 28, 2010
Description
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Sep 28, 2010
Designation of inventor
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Sep 28, 2010
Designation of inventor
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Sep 28, 2010
Designation of inventor
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Sep 28, 2010
Designation of inventor
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Sep 28, 2010
Designation of inventor
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Sep 28, 2010
Letter concerning search matters
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Sep 28, 2010
Request for grant of a European patent
Search/Exam
Jun 9, 2004