The patent EP2622012 was granted to DOW on Jan 11, 2023. The application was originally filed on Sep 23, 2011 under application number EP11768212A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5246783 |
| DESCRIPTION | US6496629 |
| DESCRIPTION | US6714707 |
| INTERNATIONAL-SEARCH-REPORT | JP2006045295 |
| INTERNATIONAL-SEARCH-REPORT | US2009246433 |
| INTERNATIONAL-SEARCH-REPORT | US6162887 |
| INTERNATIONAL-SEARCH-REPORT | US6433120 |
| OPPOSITION | US4035129 |
| OPPOSITION | US4680328 |
| OPPOSITION | US6653360 |
| OPPOSITION | US6723793 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| OPPOSITION | - BIGGS, R.D et al., "The Cooling Rate Of Polyethylene Insulated Wire During The Extrusion Process", The eleventh annual wire and cable symposium, (19670000), pages 1 - 13, XP055522847 |
| OPPOSITION | - LIN, Y. et al., "Space charge distribution and crystalline structure in low density polyethylene (LDPE) blended with high density polyethylene (HDPE", Polym. Int., (20050000), vol. 54, pages 465 - 470, XP055522881 |
| OPPOSITION | - SATKOWSKI, MICHAEL M., "The Crystallization And Morphology Of Polyethylene And Its Blends", dissertation, (19900200), pages 1 - 151 |
| OPPOSITION | - MINICK et al., "MORPHOLOGY OF HDPE/LDPE BLENDS WITH DIFFERENT THERMAL HISTORIES", Polymer, (19950000), vol. 36, no. 10, pages 1923 - 32, XP000518718 |
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Date
Description
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May 25, 2023
May 18, 2023
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(Electronic) Receipt
Appeal
Jun 29, 2022
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Jun 10, 2022
(Electronic) Receipt
Appeal
Jun 10, 2022
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Apr 12, 2022
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Apr 11, 2022
(Electronic) Receipt
Appeal
Apr 11, 2022
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(Electronic) Receipt
Appeal
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Dec 7, 2021
Advice of delivery
Appeal
Dec 6, 2021
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Dec 1, 2021
Apr 8, 2021
Nov 16, 2020
Nov 11, 2020
Oct 14, 2020
(Electronic) Receipt
Appeal
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Reply to appeal
Appeal
Jul 9, 2020
Jul 2, 2020
(Electronic) Receipt
Appeal
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
May 25, 2020
May 25, 2020
May 8, 2020
(Electronic) Receipt
Appeal
May 8, 2020
May 8, 2020
Notice of appeal
Appeal
Feb 27, 2020
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Means of redress
OPPO
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Claims
OPPO
Nov 14, 2019
Claims
OPPO
Nov 14, 2019
Claims
OPPO
Nov 14, 2019
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Mar 11, 2019
Submission concerning representation
Search/Exam
Feb 26, 2019
Feb 21, 2019
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Claims
OPPO
Feb 21, 2019
Claims
OPPO
Feb 21, 2019
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Oct 29, 2018
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Jan 12, 2018
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Nov 30, 2017
Decision to grant a European patent
Search/Exam
Nov 23, 2017
Nov 17, 2017
(Electronic) Receipt
Search/Exam
Nov 17, 2017
Filing of the translations of the claims
Search/Exam
Nov 17, 2017
French translation of claims
Search/Exam
Nov 17, 2017
German translation of the claims
Search/Exam
Nov 2, 2017
(Electronic) Receipt
Search/Exam
Nov 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Intention to grant (signatures)
Search/Exam
Jul 31, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 31, 2017
Jul 5, 2017
Examination started
Search/Exam
Mar 17, 2014
Mar 7, 2014
Nov 15, 2013
(Electronic) Receipt
Search/Exam
Nov 15, 2013
Nov 15, 2013
Amended claims with annotations
Search/Exam
Nov 15, 2013
Nov 15, 2013
Amended description with annotations
Search/Exam
Nov 15, 2013
Amendments received before examination
Search/Exam
Nov 15, 2013
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2013
May 17, 2013
May 15, 2013
Communication to designated inventor
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May 15, 2013
Communication to designated inventor
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May 15, 2013
Communication to designated inventor
Search/Exam
May 15, 2013
Communication to designated inventor
Search/Exam
Apr 15, 2013
Mar 8, 2013
(Electronic) Receipt
Search/Exam
Mar 8, 2013
Request for entry into the European phase
Search/Exam
Feb 8, 2013
Information on entry into European phase
Search/Exam
May 16, 2012
Notification of the recording of a change
Search/Exam
May 7, 2012
CDS Clean up - amended applicant details
Search/Exam
Apr 25, 2012
Apr 5, 2012
Copy of the international search report
Search/Exam
Apr 5, 2012
Published international application - A1
Search/Exam
Dec 22, 2011
Dec 22, 2011
Dec 22, 2011