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The patent EP2457444 was granted to Albert Handtmann Maschinenfabrik on Apr 25, 2018. The application was filed on Nov 29, 2010 under application number EP10192860A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Jan 25, 2019 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | EP1997384 |
| SEARCH | US2004076736 |
| SEARCH | US2004116059 |
| SEARCH | US2005053699 |
| SEARCH | US2005247026 |
| SEARCH | US2008053042 |
| SEARCH | WO2006001991 |
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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May 3, 2023
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(Electronic) Receipt
Appeal
Mar 13, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Mar 30, 2022
Mar 25, 2022
(Electronic) Receipt
Appeal
Mar 25, 2022
Mar 25, 2022
Nov 8, 2021
Nov 1, 2021
(Electronic) Receipt
Appeal
Nov 1, 2021
Nov 1, 2021
Nov 1, 2021
Mar 26, 2021
Mar 23, 2021
(Electronic) Receipt
Appeal
Mar 23, 2021
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Claims
Appeal
Mar 23, 2021
Claims
Appeal
Mar 23, 2021
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Appeal
Mar 23, 2021
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Appeal
Mar 23, 2021
Claims
Appeal
Mar 23, 2021
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Appeal
Mar 23, 2021
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Appeal
Mar 23, 2021
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Appeal
Mar 23, 2021
Claims
Appeal
Mar 23, 2021
Claims
Appeal
Mar 23, 2021
Claims
Appeal
Mar 23, 2021
Mar 23, 2021
Reply to appeal
Appeal
Nov 27, 2020
Nov 13, 2020
Nov 10, 2020
(Electronic) Receipt
Appeal
Nov 10, 2020
Nov 10, 2020
Nov 10, 2020
Nov 10, 2020
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Sep 1, 2020
Sep 1, 2020
Aug 25, 2020
(Electronic) Receipt
Appeal
Aug 25, 2020
Aug 25, 2020
Notice of appeal
Appeal
Jul 7, 2020
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Jun 30, 2020
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Means of redress
OPPO
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Dec 12, 2019
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OPPO
Dec 12, 2019
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Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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OPPO
Dec 12, 2019
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Dec 12, 2019
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OPPO
Dec 12, 2019
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Dec 12, 2019
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May 7, 2018
Mar 29, 2018
Decision to grant a European patent
Search/Exam
Mar 13, 2018
(Electronic) Receipt
Search/Exam
Mar 13, 2018
English translation of the claims
Search/Exam
Mar 13, 2018
French translation of claims
Search/Exam
Mar 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2017
Nov 17, 2017
Nov 17, 2017
Intention to grant (signatures)
Search/Exam
Nov 17, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 17, 2017
Sep 10, 2015
Amended claims with annotations
Search/Exam
Sep 10, 2015
Amended description with annotations
Search/Exam
Sep 10, 2015
Claims
Search/Exam
Sep 10, 2015
Description
Search/Exam
Sep 10, 2015
May 4, 2015
Annex to the communication
Search/Exam
May 4, 2015
Communication from the Examining Division
Search/Exam
Feb 24, 2015
Submission concerning representation
Search/Exam
Jan 27, 2015
Examination started
Search/Exam
Jun 4, 2012
May 4, 2012
Notification of forthcoming publication
Search/Exam
Feb 13, 2012
Feb 13, 2012
Amended claims with annotations
Search/Exam
Feb 13, 2012
Amendments received before examination
Search/Exam
Nov 14, 2011
Nov 14, 2011
European search opinion
Search/Exam
Nov 14, 2011
European search report
Search/Exam
Jul 5, 2011
Letter concerning fees and payments
Search/Exam
Jun 8, 2011
Jun 8, 2011
Partial European search report
Search/Exam
May 31, 2011
Modified abstract
Search/Exam
Nov 29, 2010
Abstract
Search/Exam
Nov 29, 2010
Nov 29, 2010
Claims
Search/Exam
Nov 29, 2010
Description
Search/Exam
Nov 29, 2010
Designation of inventor
Search/Exam
Nov 29, 2010
Drawings
Search/Exam
Nov 29, 2010
Request for grant of a European patent
Search/Exam