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The patent EP3413720 was granted to Inotec Maschinenentwicklung UND Vertrieb on Jun 10, 2020. The application was filed on Feb 9, 2017 under application number EP17704239A. 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 |
|---|---|---|---|
| VEMAG MASCHINENBAU | Mar 10, 2021 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE4307637 |
| INTERNATIONAL-SEARCH-REPORT | DE3535960 |
| INTERNATIONAL-SEARCH-REPORT | US2013313072 |
| INTERNATIONAL-SEARCH-REPORT | US5857902 |
| INTERNATIONAL-SEARCH-REPORT | US6106878 |
| OPPOSITION | DE3535960 |
| OPPOSITION | DE4307637 |
| OPPOSITION | EP2801258 |
| OPPOSITION | US2013313072 |
| OPPOSITION | US5857902 |
| OPPOSITION | US6106878 |
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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Description
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Jun 22, 2020
May 14, 2020
Decision to grant a European patent
Search/Exam
Apr 28, 2020
(Electronic) Receipt
Search/Exam
Apr 28, 2020
English translation of the claims
Search/Exam
Apr 28, 2020
Filing of the translations of the claims
Search/Exam
Apr 28, 2020
French translation of claims
Search/Exam
Apr 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2020
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Intention to grant (signatures)
Search/Exam
Jan 3, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 3, 2020
Oct 17, 2019
Examination started
Search/Exam
Jun 14, 2019
(Electronic) Receipt
Search/Exam
Jun 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2019
Priority search results
Search/Exam
Jun 14, 2019
May 7, 2019
Feb 18, 2019
(Electronic) Receipt
Search/Exam
Feb 18, 2019
Feb 18, 2019
Amended claims with annotations
Search/Exam
Feb 18, 2019
Amendments received before examination
Search/Exam
Feb 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2018
Sep 18, 2018
Sep 14, 2018
Communication to designated inventor
Search/Exam
Aug 10, 2018
(Electronic) Receipt
Search/Exam
Aug 10, 2018
Request for entry into the European phase
Search/Exam
Jun 22, 2018
Information on entry into European phase
Search/Exam
Apr 24, 2018
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Written opinion
PCT2
Mar 23, 2018
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Written opinion
PCT2
Jan 19, 2018
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Notification of election of EPO
Search/Exam
Sep 19, 2017
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PCT demand form
PCT2
Aug 30, 2017
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Aug 17, 2017
Copy of the international search report
Search/Exam
Aug 17, 2017
Published international application - A1
Search/Exam
Apr 24, 2017
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ISR: cited documents
PCTISA
Apr 11, 2017
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Feb 9, 2017
(Electronic) Receipt
PCTRO
Feb 9, 2017
Abstract
PCTRO
Feb 9, 2017
Claims
PCTRO
Feb 9, 2017
Description
PCTRO
Feb 9, 2017
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Drawings
PCTRO
Feb 9, 2017