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The patent EP1844763 was granted to Bioserentach on Sep 7, 2022. The application was filed on Jan 30, 2006 under application number EP06712623A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| LEO PHARMA | May 8, 2019 | CARPMAELS & RANSFORD | ADMISSIBLE |
| COSMED PHARMACEUTICAL | May 2, 2019 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1695664 |
| OPPOSITION | JP2003238347 |
| OPPOSITION | JP2005272398 |
| OPPOSITION | US5021241 |
| OPPOSITION | US6334856 |
| OPPOSITION | US6638246 |
| OPPOSITION | WO2004000389 |
| OPPOSITION | WO2005058162 |
| OPPOSITION | WO9608289 |
| OTHER | JP2003238347 |
| OTHER | JP2004277325 |
| OTHER | JP2004525713 |
| OTHER | US2005261632 |
| OTHER | US5660846 |
| OTHER | US6334856 |
| OTHER | US6638246 |
| OTHER | WO2004000389 |
| OTHER | WO2005058162 |
| OTHER | WO9608289 |
| SEARCH | EP2005990 |
| SEARCH | WO02083232 |
| SEARCH | WO2005044985 |
| SEARCH | WO9607440 |
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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Refund of fees
Appeal
May 23, 2022
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(Electronic) Receipt
Appeal
May 17, 2022
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jun 15, 2018
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Mar 22, 2018
Filing of the translations of the claims
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Mar 22, 2018
French translation of claims
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Mar 22, 2018
German translation of the claims
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Mar 22, 2018
Letter accompanying subsequently filed items
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Feb 27, 2018
Feb 16, 2018
Observations by third parties
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Dec 20, 2017
Intention to grant (signatures)
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Dec 20, 2017
Text intended for grant (clean copy)
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Dec 20, 2017
Nov 14, 2017
(Electronic) Receipt
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Nov 14, 2017
Enquiry as to the processing of the file
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Nov 14, 2017
General enquiry
Search/Exam
Mar 29, 2017
Mar 14, 2017
(Electronic) Receipt
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Mar 14, 2017
Enquiry as to the processing of the file
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Mar 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2016
Oct 6, 2016
Submission concerning representation
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Oct 5, 2016
Submission concerning representation
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Sep 2, 2016
(Electronic) Receipt
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Sep 2, 2016
Amended claims with annotations
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Sep 2, 2016
Claims
Search/Exam
Sep 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2016
Apr 28, 2016
Annex to a communication
Search/Exam
Apr 28, 2016
Annex to the communication
Search/Exam
Apr 28, 2016
Communication from the Examining Division
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Oct 8, 2015
Sep 30, 2015
(Electronic) Receipt
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Sep 30, 2015
Nov 5, 2014
(Electronic) Receipt
Search/Exam
Nov 5, 2014
Amended claims with annotations
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Nov 5, 2014
Annex
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Nov 5, 2014
Claims
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Nov 5, 2014
Letter accompanying subsequently filed items
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Nov 5, 2014
Nov 5, 2014
Translation of priority document
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Nov 5, 2014
Translation of priority document
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Sep 11, 2014
Sep 4, 2014
(Electronic) Receipt
Search/Exam
Sep 4, 2014
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2014
May 7, 2014
Annex to the communication
Search/Exam
May 7, 2014
Communication from the Examining Division
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Nov 29, 2013
(Electronic) Receipt
Search/Exam
Nov 29, 2013
General enquiry
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Aug 26, 2013
Aug 19, 2013
Non-patent literature filed by a third party
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Aug 19, 2013
Observations by third parties
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Aug 19, 2013
Patent document filed by a Third party
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Aug 19, 2013
Patent document filed by a Third party
Search/Exam
Aug 19, 2013
Patent document filed by a Third party
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Nov 16, 2012
(Electronic) Receipt
Search/Exam
Nov 16, 2012
Amended claims with annotations
Search/Exam
Nov 16, 2012
Claims
Search/Exam
Nov 16, 2012
Description
Search/Exam
Nov 16, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2012
Jul 18, 2012
Annex to the communication
Search/Exam
Jul 18, 2012
Communication from the Examining Division
Search/Exam
Apr 16, 2012
Mar 6, 2012
(Electronic) Receipt
Search/Exam
Mar 6, 2012
General enquiry
Search/Exam
Mar 6, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2011
Feb 2, 2011
(Electronic) Receipt
Search/Exam
Feb 2, 2011
Feb 2, 2011
Amendments received before examination
Search/Exam
Feb 2, 2011
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2011
Feb 2, 2011
Aug 5, 2010
Jul 19, 2010
Jul 19, 2010
European search opinion
Search/Exam
Jul 19, 2010
Supplementary European search report
Search/Exam
Jun 23, 2010
Nov 28, 2008
Nov 25, 2008
Oct 29, 2008
Oct 29, 2008
Oct 17, 2008
General enquiry
Search/Exam
Oct 13, 2008
Observations by third parties
Search/Exam
Oct 13, 2008
Patent document filed by a Third party
Search/Exam
Oct 13, 2008
Patent document filed by a Third party
Search/Exam
Oct 13, 2008
Patent document filed by a Third party
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Oct 13, 2008
Patent document filed by a Third party
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Oct 13, 2008
Patent document filed by a Third party
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Oct 13, 2008
Patent document filed by a Third party
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Oct 13, 2008
Patent document filed by a Third party
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Oct 13, 2008
Patent document filed by a Third party
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Sep 12, 2008
Sep 19, 2007
Notification of forthcoming publication
Search/Exam
Sep 10, 2007
Aug 14, 2007
Aug 14, 2007
Jul 18, 2007
Abstract
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Jul 18, 2007
Claims
Search/Exam
Jul 18, 2007
Description
Search/Exam
Jul 18, 2007
Drawings
Search/Exam
Jul 18, 2007
Request for entry into the European phase
Search/Exam
Jun 11, 2007
Information on entry into European phase
Search/Exam
Aug 23, 2006
Aug 23, 2006
Aug 3, 2006
Copy of the international search report
Search/Exam
Aug 3, 2006
Aug 3, 2006
Published international application - A1
Search/Exam