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The patent EP3180989 was granted to Albert Handtmann Maschinenfabrik on Feb 5, 2020. The application was filed on Dec 16, 2015 under application number EP15200441A. 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 | Nov 5, 2020 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE19802101 |
| OPPOSITION | US2012088023 |
| OPPOSITION | US2013034633 |
| OPPOSITION | US4910661 |
| OPPOSITION | US6280785 |
| OPPOSITION | WO2008091634 |
| OPPOSITION | WO9623415 |
| SEARCH | US2012088023 |
| SEARCH | US2013034633 |
| SEARCH | US4910661 |
| SEARCH | US6280785 |
| SEARCH | WO9623415 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Mar 26, 2024
General enquiry
Appeal
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Appeal
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Reply to appeal
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Appeal
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(Electronic) Receipt
Appeal
Jan 20, 2023
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Notice of appeal
Appeal
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Means of redress
OPPO
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Jan 10, 2020
Decision to grant a European patent
Search/Exam
Dec 5, 2019
(Electronic) Receipt
Search/Exam
Dec 5, 2019
English translation of the claims
Search/Exam
Dec 5, 2019
French translation of claims
Search/Exam
Dec 5, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Aug 16, 2019
Text intended for grant (clean copy)
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Aug 16, 2019
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Amended claims with annotations
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Amended description with annotations
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Claims
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Apr 11, 2019
Description
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Annex to the communication
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Feb 14, 2019
Communication from the Examining Division
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Feb 8, 2019
Examination started
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Notification of forthcoming publication
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Sep 8, 2016
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Amended claims with annotations
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Sep 8, 2016
Amendments received before examination
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Sep 8, 2016
Payment of fees and costs
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Jun 10, 2016
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European search opinion
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Jun 10, 2016
European search report
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Jun 10, 2016
Information on Search Strategy
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Jun 1, 2016
Search started
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Feb 8, 2016
Communication to designated inventor
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Communication to designated inventor
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Dec 16, 2015
Abstract
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Dec 16, 2015
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Claims
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Dec 16, 2015
Description
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Dec 16, 2015
Designation of inventor
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Dec 16, 2015
Drawings
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Dec 16, 2015
Request for grant of a European patent
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