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The patent EP3243246 was granted to Huber on Apr 29, 2020. The application was filed on Dec 10, 2015 under application number EP15817113A. 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 |
|---|---|---|---|
| EGON NESPER | Jan 29, 2021 | PATENTANWALTE OLBRICHT BUCHHOLD KEULERTZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Dec 5, 2025
Dec 2, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
Mar 20, 2020
(Electronic) Receipt
Search/Exam
Mar 20, 2020
English translation of the claims
Search/Exam
Mar 20, 2020
French translation of claims
Search/Exam
Mar 20, 2020
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
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Amended claims with annotations
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Amended description with annotations
Search/Exam
Jul 5, 2019
Claims
Search/Exam
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Description
Search/Exam
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Annex to the communication
Search/Exam
Jun 14, 2019
Communication from the Examining Division
Search/Exam
Jun 7, 2019
Examination started
Search/Exam
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Search/Exam
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Search/Exam
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(Electronic) Receipt
Search/Exam
Jul 7, 2017
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Copy of the international search report
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Jul 14, 2016
Published international application - A1
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(Electronic) Receipt
PCTRO
Dec 10, 2015
Abstract
PCTRO
Dec 10, 2015
Claims
PCTRO
Dec 10, 2015
Description
PCTRO
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PCTRO
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