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The patent EP3684574 was granted to Homann Holzwerkstoffe on Oct 6, 2021. The application was filed on Aug 15, 2018 under application number EP18752173A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| WOOD INNOVATIONS | Jul 6, 2022 | RICKER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE4406161 |
| INTERNATIONAL-SEARCH-REPORT | EP1512507 |
| INTERNATIONAL-SEARCH-REPORT | JPH10278014 |
| OPPOSITION | DE102009047764 |
| OPPOSITION | DE102010049777 |
| OPPOSITION | DE10204321 |
| OPPOSITION | DE10337594 |
| OPPOSITION | DE4406161 |
| OPPOSITION | DE60027543T |
| OPPOSITION | EP3363960 |
| OPPOSITION | JP2011207159 |
| OPPOSITION | WO2011100779 |
| OPPOSITION | WO2015149942 |
| OPPOSITION | WO2017144541 |
| OPPOSITION | WO9603262 |
| OPPOSITION | WO9845099 |
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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Information concerning oral proceedings
Search/Exam
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Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Aug 5, 2021
(Electronic) Receipt
Search/Exam
Aug 5, 2021
English translation of the claims
Search/Exam
Aug 5, 2021
Filing of the translations of the claims
Search/Exam
Aug 5, 2021
French translation of claims
Search/Exam
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
May 17, 2021
Document concerning representation
Search/Exam
May 7, 2021
May 7, 2021
May 7, 2021
Intention to grant (signatures)
Search/Exam
May 7, 2021
Text intended for grant (clean copy)
Search/Exam
May 7, 2021
Jan 29, 2021
Examination started
Search/Exam
Jul 27, 2020
Change to the inventor details
Search/Exam
Jul 22, 2020
Letter concerning the inventor
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Jul 1, 2020
May 8, 2020
(Electronic) Receipt
Search/Exam
May 8, 2020
May 8, 2020
Amended claims with annotations
Search/Exam
May 8, 2020
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Amended description with annotations
Search/Exam
May 8, 2020
Amendments received before examination
Search/Exam
May 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2020
Apr 24, 2020
Communication to designated inventor
Search/Exam
Apr 21, 2020
Priority search results copy provided by EPO
Search/Exam
Apr 9, 2020
Comments on Written Opinion of ISA
Search/Exam
Apr 9, 2020
Feb 7, 2020
(Electronic) Receipt
Search/Exam
Feb 7, 2020
Feb 7, 2020
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Amended description with annotations
Search/Exam
Feb 7, 2020
Amendments received before examination
Search/Exam
Feb 7, 2020
Request for entry into the European phase
Search/Exam
Jan 31, 2020
Information on entry into European phase
Search/Exam
Apr 16, 2019
Mar 28, 2019
Copy of the international search report
Search/Exam
Mar 28, 2019
Copy of the international search report
Search/Exam
Mar 28, 2019
Published international application - A1
Search/Exam
Feb 28, 2019
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Nov 7, 2018
ISR: cited documents
PCTISA
Nov 7, 2018
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Aug 23, 2018
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Aug 15, 2018
(Electronic) Receipt
PCTRO
Aug 15, 2018
Abstract
PCTRO
Aug 15, 2018
Claims
PCTRO
Aug 15, 2018
Description
PCTRO
Aug 15, 2018
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Drawings
PCTRO
Aug 15, 2018
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