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The patent EP2352636 was granted to Polytechnyl on May 30, 2018. The application was filed on Dec 1, 2009 under application number EP09760890A. 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 |
|---|---|---|---|
| EOS ELECTRO OPTICAL SYSTEMS | Feb 28, 2019 | BECKORD & NIEDLICH PATENTANWALTE PARTG MBB | WITHDRAWN |
| EVONIK OPERATIONS | Feb 27, 2019 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1460108 |
| INTERNATIONAL-SEARCH-REPORT | FR2907366 |
| INTERNATIONAL-SEARCH-REPORT | US6136948 |
| OPPOSITION | EP0632703 |
| OPPOSITION | EP0682057 |
| OPPOSITION | EP0832149 |
| OPPOSITION | EP1406971 |
| OPPOSITION | EP1460108 |
| OPPOSITION | EP1797141 |
| OPPOSITION | EP1840155 |
| OPPOSITION | FR2743077 |
| OPPOSITION | FR2779730 |
| OPPOSITION | FR2907366 |
| OPPOSITION | FR2939075 |
| OPPOSITION | US2004138363 |
| OPPOSITION | US5959069 |
| OPPOSITION | US6136948 |
| OPPOSITION | WO0138061 |
| OPPOSITION | WO2004050746 |
| OPPOSITION | WO2007115977 |
| OPPOSITION | WO2008077895 |
| OPPOSITION | WO2010063691 |
| OPPOSITION | WO9606881 |
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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Means of redress
OPPO
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Apr 30, 2021
Communication of amended entries
Search/Exam
Jan 20, 2021
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(Electronic) Receipt
Search/Exam
Nov 4, 2020
Authorisation
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Nov 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2020
Submission concerning representation
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Sep 21, 2020
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Annex
OPPO
Jun 5, 2020
Annex
OPPO
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Annex
OPPO
Jun 5, 2020
Annex
OPPO
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OPPO
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Dec 28, 2018
Submission concerning representation
Search/Exam
Dec 21, 2018
Submission concerning representation
Search/Exam
Jun 11, 2018
May 9, 2018
Refund of fees
Search/Exam
May 4, 2018
Decision to grant a European patent
Search/Exam
Apr 23, 2018
(Electronic) Receipt
Search/Exam
Apr 23, 2018
English translation of the claims
Search/Exam
Apr 23, 2018
Filing of the translations of the claims
Search/Exam
Apr 23, 2018
German translation of the claims
Search/Exam
Apr 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2018
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Intention to grant (signatures)
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Feb 16, 2018
Text intended for grant (clean copy)
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Feb 16, 2018
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Dec 21, 2017
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(Electronic) Receipt
Search/Exam
Oct 19, 2017
Amended claims with annotations
Search/Exam
Oct 19, 2017
Claims
Search/Exam
Oct 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2017
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Annex to the communication
Search/Exam
Aug 18, 2017
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Examination started
Search/Exam
May 16, 2017
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Refund of fees
Search/Exam
Jul 31, 2013
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Amended claims with annotations
Search/Exam
Jan 9, 2012
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Amended claims with annotations
Search/Exam
Jan 5, 2012
Amendments received before examination
Search/Exam
Jan 5, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 25, 2011
Letter concerning the inventor
Search/Exam
Aug 22, 2011
Letter concerning the inventor
Search/Exam
Aug 19, 2011
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Letter which had not been notified
Search/Exam
Jul 13, 2011
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Jun 21, 2011
May 27, 2011
(Electronic) Receipt
Search/Exam
May 27, 2011
General authorisation
Search/Exam
May 27, 2011
Request for entry into the European phase
Search/Exam
Apr 15, 2011
Information on entry into European phase
Search/Exam
Sep 23, 2010
Copy of the international search report
Search/Exam
Sep 23, 2010
Copy of the international search report
Search/Exam
Sep 23, 2010
Jul 16, 2010
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Jun 30, 2010
Jun 10, 2010
Published international application - A2
Search/Exam
Dec 1, 2009
(Electronic) Receipt
PCTRO
Dec 1, 2009
Abstract
PCTRO
Dec 1, 2009
Claims
PCTRO
Dec 1, 2009
Description
PCTRO
Dec 1, 2009
Dec 1, 2009
Submission concerning representation
Search/Exam