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The patent EP3271136 was granted to Rehau on Apr 19, 2023. The application was filed on Mar 15, 2016 under application number EP16710095A. 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 |
|---|---|---|---|
| TELSONIC HOLDING | Jan 29, 2021 | HEPP WENGER RYFFEL | ADMISSIBLE |
| SONOTRONIC NAGEL | Jan 28, 2021 | WEIDNER STERN JESCHKE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102009019644 |
| INTERNATIONAL-SEARCH-REPORT | DE102010000968 |
| INTERNATIONAL-SEARCH-REPORT | DE102014212313 |
| INTERNATIONAL-SEARCH-REPORT | EP2769830 |
| INTERNATIONAL-SEARCH-REPORT | EP2873512 |
| INTERNATIONAL-SEARCH-REPORT | US6309490 |
| OPPOSITION | DE10101415 |
| OPPOSITION | DE102005036908 |
| OPPOSITION | DE102006006344 |
| OPPOSITION | DE102009019644 |
| OPPOSITION | DE102010000968 |
| OPPOSITION | DE102014212313 |
| OPPOSITION | DE102015103799 |
| OPPOSITION | DE10209492 |
| OPPOSITION | DE19828914 |
| OPPOSITION | DE2442219 |
| OPPOSITION | DE69014605T |
| OPPOSITION | DE8702983U |
| OPPOSITION | EP2769830 |
| OPPOSITION | EP2873512 |
| OPPOSITION | US6309490 |
| OPPOSITION | WO9801239 |
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
Search/Exam
Feb 21, 2020
(Electronic) Receipt
Search/Exam
Feb 21, 2020
English translation of the claims
Search/Exam
Feb 21, 2020
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 22, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2019
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Examination started
Search/Exam
Apr 11, 2018
(Electronic) Receipt
Search/Exam
Apr 11, 2018
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
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Amendments received before examination
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
Modified abstract
Search/Exam
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Communication to designated inventor
Search/Exam
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Matter concerning the application
Search/Exam
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(Electronic) Receipt
Search/Exam
Aug 7, 2017
Priority search results
Search/Exam
Aug 7, 2017
Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
Oct 11, 2016
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Copy of the international search report
Search/Exam
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Copy of the international search report
Search/Exam
Sep 22, 2016
Published international application - A1
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Abstract
PCTRO
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Claims
PCTRO
Mar 15, 2016
Description
PCTRO
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Drawings
PCTRO
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