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The patent EP3285986 was granted to Dllken Kunststoffverarbeitung on Jul 22, 2020. The application was filed on Apr 22, 2016 under application number EP16718337A. 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 |
|---|---|---|---|
| FRITZ EGGER | Apr 22, 2021 | COHAUSZ & FLORACK | ADMISSIBLE |
| REHAU INDUSTRIES | Apr 22, 2021 | GRUNECKER PATENT | ADMISSIBLE |
| MKT MODERNE KUNSTSTOFF TECHNIK GEBRUDER ESCHBACH | Apr 21, 2021 | MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102011015898 |
| INTERNATIONAL-SEARCH-REPORT | DE102011104980 |
| INTERNATIONAL-SEARCH-REPORT | DE202007011911U |
| INTERNATIONAL-SEARCH-REPORT | EP1163864 |
| OPPOSITION | CH548846 |
| OPPOSITION | CN100579775C |
| OPPOSITION | CN102642352 |
| OPPOSITION | CN1701954 |
| OPPOSITION | DE10104296 |
| OPPOSITION | DE102004040961 |
| OPPOSITION | DE102005011439 |
| OPPOSITION | DE102005011440 |
| OPPOSITION | DE102010009242 |
| OPPOSITION | DE102011015898 |
| OPPOSITION | DE102011104980 |
| OPPOSITION | DE102012103016 |
| OPPOSITION | DE102013005394 |
| OPPOSITION | DE102013100244 |
| OPPOSITION | DE1704505 |
| OPPOSITION | DE202007006278U |
| OPPOSITION | DE202007011911U |
| OPPOSITION | DE202013011790U |
| OPPOSITION | DE202013103738U |
| OPPOSITION | DE202015100800U |
| OPPOSITION | DE2460597 |
| OPPOSITION | DE29700821U |
| OPPOSITION | DE3432959 |
| OPPOSITION | DE4208991 |
| OPPOSITION | DE8700536U |
| OPPOSITION | EP0583504 |
| OPPOSITION | EP0857442 |
| OPPOSITION | EP1163864 |
| OPPOSITION | EP1700714 |
| OPPOSITION | EP2366540 |
| OPPOSITION | EP2878440 |
| OPPOSITION | EP2990195 |
| OPPOSITION | EP3489016 |
| OPPOSITION | GB1063022 |
| OPPOSITION | GB2355398 |
| OPPOSITION | GB606294 |
| OPPOSITION | JP2014037105 |
| OPPOSITION | JPS5774112 |
| OPPOSITION | US7166249 |
| OPPOSITION | WO0053387 |
| OPPOSITION | WO2013026559 |
| OTHER | CH548846 |
| OTHER | CN100579775C |
| OTHER | CN102642352 |
| OTHER | CN1701954 |
| OTHER | DE102004040961 |
| OTHER | EP0583504 |
| OTHER | EP2366540 |
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.
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Decision to grant a European patent
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Jun 10, 2020
English translation of the claims
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Jun 10, 2020
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French translation of claims
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Jun 10, 2020
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May 25, 2020
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May 14, 2020
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Mar 20, 2020
Letter accompanying subsequently filed items
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Feb 18, 2020
(Electronic) Receipt
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Feb 18, 2020
Amended claims with annotations
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Feb 18, 2020
Amended description with annotations
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Feb 18, 2020
Claims
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Feb 18, 2020
Description
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Feb 18, 2020
Drawings
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Feb 18, 2020
Letter accompanying subsequently filed items
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Feb 18, 2020
Oct 24, 2019
Annex to the communication
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Oct 24, 2019
Communication from the Examining Division
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Oct 14, 2019
Examination started
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Mar 29, 2019
Submission concerning representation
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Mar 27, 2019
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Mar 27, 2019
Letter accompanying subsequently filed items
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Nov 14, 2018
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Oct 31, 2018
Annexes in respect of a client data request
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Oct 31, 2018
Annexes in respect of a client data request
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Oct 31, 2018
Letter accompanying subsequently filed items
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Oct 31, 2018
Aug 23, 2018
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(Electronic) Receipt
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Aug 17, 2018
Annexes in respect of a client data request
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Aug 17, 2018
Letter accompanying subsequently filed items
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Jul 20, 2018
Letter accompanying subsequently filed items
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Jul 20, 2018
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Jun 6, 2018
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Amended claims with annotations
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Jun 6, 2018
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Jun 6, 2018
Letter accompanying subsequently filed items
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Mar 20, 2018
(Electronic) Receipt
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Mar 20, 2018
Letter concerning fees and payments
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Jan 31, 2018
Nov 30, 2017
Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 28, 2017
Communication to designated inventor
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Nov 6, 2017
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(Electronic) Receipt
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Oct 9, 2017
Request for entry into the European phase
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Oct 9, 2017
Sep 1, 2017
Information on entry into European phase
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Jan 9, 2017
Jan 9, 2017
Nov 15, 2016
Oct 27, 2016
Copy of the international search report
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Oct 27, 2016
Copy of the international search report
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Oct 27, 2016
Published international application - A1
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Jul 27, 2016
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Apr 28, 2016
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(Electronic) Receipt
PCTRO
Apr 22, 2016
Abstract
PCTRO
Apr 22, 2016
Claims
PCTRO
Apr 22, 2016
Description
PCTRO
Apr 22, 2016
Apr 22, 2016
Drawings
PCTRO