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The patent EP3368709 was granted to Liebers on Dec 4, 2019. The application was filed on Oct 25, 2016 under application number EP16790878A. 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 |
|---|---|---|---|
| GROZ BECKERT | Sep 4, 2020 | WEBER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102011119335 |
| INTERNATIONAL-SEARCH-REPORT | DE19740985 |
| INTERNATIONAL-SEARCH-REPORT | EP1437434 |
| INTERNATIONAL-SEARCH-REPORT | GB2218115 |
| OPPOSITION | DE102011119335 |
| OPPOSITION | EP1860219 |
| OPPOSITION | US1500627 |
| OPPOSITION | US255808 |
| OPPOSITION | US6298692 |
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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Nov 7, 2019
Decision to grant a European patent
Search/Exam
Sep 16, 2019
(Electronic) Receipt
Search/Exam
Sep 16, 2019
English translation of the claims
Search/Exam
Sep 16, 2019
Filing of the translations of the claims
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Sep 16, 2019
French translation of claims
Search/Exam
Sep 16, 2019
Letter accompanying subsequently filed items
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May 17, 2019
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Intention to grant (signatures)
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May 17, 2019
Text intended for grant (clean copy)
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May 17, 2019
Mar 28, 2019
Examination started
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Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Letter accompanying subsequently filed items
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Mar 21, 2019
Priority search results
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Mar 21, 2019
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Dec 17, 2018
(Electronic) Receipt
Search/Exam
Dec 17, 2018
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Amended claims with annotations
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Dec 17, 2018
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Amended description with annotations
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Dec 17, 2018
Amendments received before examination
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Dec 17, 2018
Letter accompanying subsequently filed items
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Dec 6, 2018
(Electronic) Receipt
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Dec 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2018
Reply to Written Opinion prepared by the EPO
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Aug 8, 2018
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(Electronic) Receipt
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May 11, 2018
Request for entry into the European phase
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Mar 9, 2018
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
May 4, 2017
Copy of the international search report
Search/Exam
May 4, 2017
Published international application - A1
Search/Exam
Jan 25, 2017
ISR: cited documents
PCTISA
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Abstract
PCTRO
Nov 8, 2016
Claims
PCTRO
Nov 8, 2016
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Description
PCTRO
Nov 8, 2016
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Drawings
PCTRO
Oct 25, 2016
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