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The patent EP3426995 was granted to Maerz Ofenbau on Jul 8, 2020. The application was filed on Mar 3, 2017 under application number EP17708758A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| TECFORLIME | Apr 8, 2021 | AWA BENELUX | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE3038927 |
| INTERNATIONAL-SEARCH-REPORT | EP1555251 |
| INTERNATIONAL-SEARCH-REPORT | EP2478314 |
| INTERNATIONAL-SEARCH-REPORT | FR2510984 |
| INTERNATIONAL-SEARCH-REPORT | WO2015018504 |
| OPPOSITION | CN105000811 |
| OPPOSITION | DE19843820 |
| OPPOSITION | DE19845495 |
| OPPOSITION | FR2436346 |
| OPPOSITION | US6453831 |
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
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Jun 12, 2020
Decision to grant a European patent
Search/Exam
Jun 8, 2020
Intention to grant (signatures)
Search/Exam
May 28, 2020
May 28, 2020
May 28, 2020
Text intended for grant (clean copy)
Search/Exam
May 28, 2020
May 26, 2020
(Electronic) Receipt
Search/Exam
May 26, 2020
General enquiry
Search/Exam
May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
May 8, 2020
(Electronic) Receipt
Search/Exam
May 8, 2020
Amended claims with annotations
Search/Exam
May 8, 2020
Claims
Search/Exam
May 8, 2020
Letter accompanying subsequently filed items
Search/Exam
May 8, 2020
May 6, 2020
Apr 21, 2020
(Electronic) Receipt
Search/Exam
Apr 21, 2020
English translation of the claims
Search/Exam
Apr 21, 2020
French translation of claims
Search/Exam
Apr 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2020
Feb 19, 2020
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Intention to grant (signatures)
Search/Exam
Feb 19, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 19, 2020
Sep 23, 2019
(Electronic) Receipt
Search/Exam
Sep 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2019
Aug 23, 2019
Annex to the communication
Search/Exam
Aug 23, 2019
Communication from the Examining Division
Search/Exam
Aug 19, 2019
Examination started
Search/Exam
Jan 22, 2019
(Electronic) Receipt
Search/Exam
Jan 22, 2019
Jan 22, 2019
Amended claims with annotations
Search/Exam
Jan 22, 2019
Jan 22, 2019
Amended description with annotations
Search/Exam
Jan 22, 2019
Amendments received before examination
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2019
Dec 19, 2018
Oct 18, 2018
Oct 16, 2018
Communication to designated inventor
Search/Exam
Oct 16, 2018
Communication to designated inventor
Search/Exam
Sep 26, 2018
Sep 19, 2018
(Electronic) Receipt
Search/Exam
Sep 19, 2018
General enquiry
Search/Exam
Sep 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2018
(Electronic) Receipt
Search/Exam
Sep 10, 2018
Priority search results
Search/Exam
Sep 10, 2018
Request for entry into the European phase
Search/Exam
Jul 18, 2018
Information on entry into European phase
Search/Exam
Oct 2, 2017
Sep 14, 2017
Copy of the international search report
Search/Exam
Sep 14, 2017
Copy of the international search report
Search/Exam
Sep 14, 2017
Published international application - A1
Search/Exam
May 22, 2017
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Mar 9, 2017
Mar 3, 2017
(Electronic) Receipt
PCTRO
Mar 3, 2017
Abstract
PCTRO
Mar 3, 2017
Claims
PCTRO
Mar 3, 2017
Description
PCTRO
Mar 3, 2017
Mar 3, 2017
Drawings
PCTRO
Mar 3, 2017