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The patent EP1943310 was granted to APG Polytech on Aug 23, 2023. The application was filed on Oct 25, 2006 under application number EP06831868A. 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 |
|---|---|---|---|
| INDORAMA VENTURES POLYMERS GERMANY | Dec 15, 2017 | HOYNG ROKH MONEGIER | ADMISSIBLE |
| BAWDEN & ASSOCIATES | Dec 13, 2017 | BAWDEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US6239233 |
| INTERNATIONAL-SEARCH-REPORT | US2004013833 |
| INTERNATIONAL-SEARCH-REPORT | WO2005023530 |
| INTERNATIONAL-SEARCH-REPORT | WO2005110694 |
| INTERNATIONAL-SEARCH-REPORT | WO2006079044 |
| OPPOSITION | EP1943290 |
| OPPOSITION | JP2663578B |
| OPPOSITION | JPH02135259 |
| OPPOSITION | JPH06220320 |
| OPPOSITION | US2004013833 |
| OPPOSITION | US2007093615 |
| OPPOSITION | US5021515 |
| OPPOSITION | US5034252 |
| OPPOSITION | US5258233 |
| OPPOSITION | US5258255 |
| OPPOSITION | US6239233 |
| OPPOSITION | WO2005023530 |
| OPPOSITION | WO2005110694 |
| OPPOSITION | WO2006079044 |
| OPPOSITION | WO2007049232 |
| OTHER | US6239233 |
| OTHER | WO2005023530 |
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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Jul 27, 2023
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(Electronic) Receipt
Appeal
Feb 27, 2023
Advice of delivery
Appeal
Feb 27, 2023
Feb 22, 2023
Refund of fees
Appeal
Feb 15, 2023
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(Electronic) Receipt
Appeal
Jan 30, 2023
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Withdrawal of an appeal
Appeal
Jan 10, 2023
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(Electronic) Receipt
Appeal
Jan 3, 2023
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Jul 28, 2022
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Appeal
Jul 14, 2022
Advice of delivery
Appeal
Jul 14, 2022
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Appeal
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Reply to appeal
Appeal
Jun 2, 2020
Reply to appeal
Appeal
Apr 15, 2020
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Dec 30, 2019
(Electronic) Receipt
Appeal
Dec 30, 2019
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Claims
Appeal
Dec 30, 2019
Claims
Appeal
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Claims
Appeal
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Claims
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(Electronic) Receipt
Appeal
Nov 7, 2019
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Feb 2, 2017
(Electronic) Receipt
Search/Exam
Feb 2, 2017
Filing of the translations of the claims
Search/Exam
Feb 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2016
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Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Nov 8, 2016
Amended claims with annotations
Search/Exam
Nov 8, 2016
Claims
Search/Exam
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French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Nov 8, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2016
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Intention to grant (signatures)
Search/Exam
Jul 8, 2016
Text intended for grant (clean copy)
Search/Exam
Jul 8, 2016
May 24, 2016
(Electronic) Receipt
Search/Exam
May 24, 2016
Claims
Search/Exam
May 24, 2016
Description
Search/Exam
May 24, 2016
Letter accompanying subsequently filed items
Search/Exam
May 24, 2016
Jan 25, 2016
Annex to the communication
Search/Exam
Jan 25, 2016
Communication from the Examining Division
Search/Exam
Jan 13, 2016
(Electronic) Receipt
Search/Exam
Jan 13, 2016
Amended description with annotations
Search/Exam
Jan 13, 2016
Claims
Search/Exam
Jan 13, 2016
Description
Search/Exam
Jan 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2016
Sep 16, 2015
Sep 8, 2015
Non-patent literature filed by a third party
Search/Exam
Sep 8, 2015
Observations by third parties
Search/Exam
Sep 8, 2015
Patent document filed by a Third party
Search/Exam
Sep 8, 2015
Patent document filed by a Third party
Search/Exam
Sep 4, 2015
Annex to the communication
Search/Exam
Sep 4, 2015
Communication from the Examining Division
Search/Exam
Sep 10, 2014
Jul 17, 2014
(Electronic) Receipt
Search/Exam
Jul 17, 2014
Annexes in respect of a client data request
Search/Exam
Jul 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2014
Jun 23, 2010
(Electronic) Receipt
Search/Exam
Jun 23, 2010
Claims
Search/Exam
Jun 23, 2010
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2010
Mar 11, 2010
Annex to the communication
Search/Exam
Mar 11, 2010
Communication from the Examining Division
Search/Exam
Jun 18, 2008
Jun 6, 2008
May 27, 2008
Apr 8, 2008
Mar 28, 2008
(Electronic) Receipt
Search/Exam
Mar 28, 2008
Mar 28, 2008
Request for entry into the European phase
Search/Exam
Mar 7, 2008
Information on entry into European phase
Search/Exam
Feb 18, 2008
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Sep 13, 2007
Copy of the international search report
Search/Exam
Sep 13, 2007
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PCT demand form
PCT2
Aug 23, 2007
May 25, 2007
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May 3, 2007
Published international application - A2
Search/Exam
Mar 9, 2007
Abstract
PCTISA
Mar 9, 2007
Claims
PCTISA
Mar 9, 2007
Description
PCTISA
Mar 9, 2007
Drawings
PCTISA
Mar 9, 2007