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The patent EP2084329 was granted to Trocellen on Feb 23, 2022. The application was filed on Oct 19, 2007 under application number EP07821579A. 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 |
|---|---|---|---|
| NMC | Jan 10, 2020 | OFFICE FREYLINGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP0292865 |
| EXAMINATION | US4161558 |
| EXAMINATION | WO02080717 |
| EXAMINATION | WO9853980 |
| INTERNATIONAL-SEARCH-REPORT | DE2065209 |
| INTERNATIONAL-SEARCH-REPORT | DE2659551 |
| INTERNATIONAL-SEARCH-REPORT | EP1842963 |
| INTERNATIONAL-SEARCH-REPORT | JP2000204513 |
| INTERNATIONAL-SEARCH-REPORT | JPH02101210 |
| INTERNATIONAL-SEARCH-REPORT | JPH093812 |
| INTERNATIONAL-SEARCH-REPORT | JPS59103617 |
| INTERNATIONAL-SEARCH-REPORT | US2006045995 |
| INTERNATIONAL-SEARCH-REPORT | US3655501 |
| INTERNATIONAL-SEARCH-REPORT | WO9856993 |
| OPPOSITION | DE2659551 |
| OPPOSITION | EP0292865 |
| OPPOSITION | EP1842963 |
| OPPOSITION | US2006045995 |
| OPPOSITION | US3655501 |
| OPPOSITION | US4161558 |
| OPPOSITION | WO9853980 |
| OTHER | EP0292865 |
| OTHER | EP1383401 |
| OTHER | US4161558 |
| OTHER | WO9853980 |
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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OPPO
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Dec 23, 2019
Document concerning representation
Search/Exam
Apr 24, 2019
Mar 14, 2019
Decision to grant a European patent
Search/Exam
Mar 13, 2019
Refund of fees
Search/Exam
Mar 1, 2019
(Electronic) Receipt
Search/Exam
Mar 1, 2019
English translation of the claims
Search/Exam
Mar 1, 2019
Filing of the translations of the claims
Search/Exam
Mar 1, 2019
French translation of claims
Search/Exam
Mar 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Intention to grant (signatures)
Search/Exam
Feb 28, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 28, 2019
Feb 18, 2019
(Electronic) Receipt
Search/Exam
Feb 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2019
Dec 6, 2018
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Dec 6, 2018
Intention to grant (signatures)
Search/Exam
Dec 6, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 6, 2018
Oct 12, 2018
(Electronic) Receipt
Search/Exam
Oct 12, 2018
Amended claims with annotations
Search/Exam
Oct 12, 2018
Amended claims with annotations
Search/Exam
Oct 12, 2018
Amended description with annotations
Search/Exam
Oct 12, 2018
Amended description with annotations
Search/Exam
Oct 12, 2018
Claims
Search/Exam
Oct 12, 2018
Description
Search/Exam
Oct 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2018
Sep 11, 2018
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Sep 11, 2018
Intention to grant (signatures)
Search/Exam
Sep 11, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 11, 2018
Jul 2, 2018
(Electronic) Receipt
Search/Exam
Jul 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2018
May 3, 2018
Apr 26, 2018
(Electronic) Receipt
Search/Exam
Apr 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2018
Dec 20, 2017
Annex to the communication
Search/Exam
Dec 20, 2017
Communication from the Examining Division
Search/Exam
May 25, 2016
Refund of fees
Search/Exam
May 19, 2016
Decision to allow further processing
Search/Exam
May 10, 2016
(Electronic) Receipt
Search/Exam
May 10, 2016
Claims
Search/Exam
May 10, 2016
Letter accompanying subsequently filed items
Search/Exam
May 10, 2016
Request for further processing
Search/Exam
Feb 29, 2016
Feb 4, 2016
Feb 1, 2016
Dec 3, 2015
Nov 30, 2015
Aug 28, 2015
Aug 28, 2015
Aug 25, 2015
Observations by third parties
Search/Exam
Jul 21, 2015
Annex to the communication
Search/Exam
Jul 21, 2015
Communication from the Examining Division
Search/Exam
Jul 15, 2015
Examination started
Search/Exam
Sep 25, 2012
Sep 19, 2012
Observations by third parties
Search/Exam
Sep 19, 2012
Sep 19, 2012
Sep 19, 2012
Sep 19, 2012
Jul 8, 2009
Jun 8, 2009
May 20, 2009
(Electronic) Receipt
Search/Exam
May 20, 2009
Request for entry into the European phase
Search/Exam
Apr 28, 2009
Apr 28, 2009
Feb 26, 2009
Information on entry into European phase
Search/Exam
Feb 9, 2009
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Notification of election of EPO
Search/Exam
Jun 9, 2008
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PCT demand form
PCT2
Apr 24, 2008
Copy of the international search report
Search/Exam
Apr 24, 2008
Copy of the international search report
Search/Exam
Apr 24, 2008
Published international application - A1
Search/Exam
Oct 19, 2007
Abstract
PCTRO
Oct 19, 2007
Annex
PCTRO
Oct 19, 2007
Claims
PCTRO
Oct 19, 2007
Description
PCTRO
Oct 19, 2007
Drawings
PCTRO