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The patent EP3303890 was granted to GEM Gebr Mller Apparatebau Kommanditgesellschaft on Oct 2, 2019. The application was filed on May 17, 2016 under application number EP16723732A. 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 |
|---|---|---|---|
| SISTO ARMATUREN | Jul 2, 2020 | BEHR | ADMISSIBLE |
| GEORG FISCHER ROHRLEITUNGSSYSTEME | Jul 1, 2020 | DIETZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102013214304 |
| INTERNATIONAL-SEARCH-REPORT | US2003001590 |
| INTERNATIONAL-SEARCH-REPORT | US2005092079 |
| INTERNATIONAL-SEARCH-REPORT | US2008202606 |
| OPPOSITION | DE102013214304 |
| OPPOSITION | EP2202496 |
| OPPOSITION | EP2690516 |
| OPPOSITION | US2003001590 |
| OPPOSITION | US2005087235 |
| OPPOSITION | US2005092079 |
| OPPOSITION | US2005189408 |
| OPPOSITION | US2005199700 |
| OPPOSITION | US2006015294 |
| OPPOSITION | US2007029382 |
| OPPOSITION | US2008024310 |
| OPPOSITION | US2008202606 |
| OPPOSITION | US2011240747 |
| OPPOSITION | US2014261740 |
| OPPOSITION | US2014358304 |
| OPPOSITION | US2015088434 |
| OPPOSITION | US2015130593 |
| OPPOSITION | US4770842 |
| OPPOSITION | US5329465 |
| OPPOSITION | US7259675 |
| OPPOSITION | US8874383 |
| OPPOSITION | WO2007126486 |
| OPPOSITION | WO2014152117 |
| OPPOSITION | WO2015020986 |
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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Notice of appeal
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Oct 14, 2019
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Decision to grant a European patent
Search/Exam
Sep 2, 2019
Aug 15, 2019
(Electronic) Receipt
Search/Exam
Aug 15, 2019
English translation of the claims
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Aug 15, 2019
Filing of the translations of the claims
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Aug 15, 2019
French translation of claims
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Aug 15, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 3, 2019
Text intended for grant (clean copy)
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May 3, 2019
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(Electronic) Receipt
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Dec 5, 2018
Amendments received before examination
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Dec 5, 2018
Letter accompanying subsequently filed items
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Oct 15, 2018
Examination started
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Aug 6, 2018
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Aug 6, 2018
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 21, 2017
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(Electronic) Receipt
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Nov 10, 2017
Priority search results
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Nov 10, 2017
Request for entry into the European phase
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Oct 13, 2017
Information on entry into European phase
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Jan 2, 2017
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Copy of the international search report
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Dec 8, 2016
Copy of the international search report
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Dec 8, 2016
Published international application - A1
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May 17, 2016
(Electronic) Receipt
PCTRO
May 17, 2016
Abstract
PCTRO
May 17, 2016
Claims
PCTRO
May 17, 2016
Description
PCTRO
May 17, 2016
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Drawings
PCTRO
May 17, 2016