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The patent EP3280861 was granted to Hrmann Antriebstechnik on Sep 29, 2021. The application was filed on Apr 5, 2016 under application number EP16713944A. 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 |
|---|---|---|---|
| GEZE | Jun 22, 2022 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102014115189 |
| INTERNATIONAL-SEARCH-REPORT | DE102011002735 |
| INTERNATIONAL-SEARCH-REPORT | DE202012101497U |
| OPPOSITION | DE102004060280 |
| OPPOSITION | DE102011002735 |
| OPPOSITION | DE102011055491 |
| OPPOSITION | DE102014119734 |
| OPPOSITION | DE19618484 |
| OPPOSITION | DE19944964 |
| OPPOSITION | DE19958308 |
| OPPOSITION | DE202012101497U |
| OPPOSITION | DE3823487 |
| OPPOSITION | WO2016107716 |
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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OPPO
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Description
OPPO
Nov 9, 2023
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Oct 12, 2021
Sep 2, 2021
Decision to grant a European patent
Search/Exam
Aug 20, 2021
(Electronic) Receipt
Search/Exam
Aug 20, 2021
English translation of the claims
Search/Exam
Aug 20, 2021
French translation of claims
Search/Exam
Aug 20, 2021
Letter accompanying subsequently filed items
Search/Exam
May 11, 2021
May 11, 2021
May 11, 2021
Intention to grant (signatures)
Search/Exam
May 11, 2021
Text intended for grant (clean copy)
Search/Exam
May 11, 2021
Mar 29, 2021
Examination started
Search/Exam
Apr 20, 2020
(Electronic) Receipt
Search/Exam
Apr 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2018
Jul 10, 2018
May 16, 2018
(Electronic) Receipt
Search/Exam
May 16, 2018
May 16, 2018
Amended claims with annotations
Search/Exam
May 16, 2018
May 16, 2018
Amended description with annotations
Search/Exam
May 16, 2018
Amendments received before examination
Search/Exam
May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2018
Nov 16, 2017
Nov 14, 2017
Communication to designated inventor
Search/Exam
Oct 24, 2017
Sep 25, 2017
(Electronic) Receipt
Search/Exam
Sep 25, 2017
Request for entry into the European phase
Search/Exam
Aug 18, 2017
Information on entry into European phase
Search/Exam
Oct 31, 2016
Oct 31, 2016
Oct 13, 2016
Copy of the international search report
Search/Exam
Oct 13, 2016
Copy of the international search report
Search/Exam
Oct 13, 2016
Published international application - A1
Search/Exam
Jun 24, 2016
ISR: cited documents
PCTISA
Jun 24, 2016
Jun 23, 2016
Jun 23, 2016
Jun 23, 2016
Jun 13, 2016
(Electronic) Receipt
PCTRO
Jun 13, 2016
Jun 13, 2016
Apr 22, 2016
Apr 19, 2016
Apr 12, 2016
Apr 12, 2016
Apr 11, 2016
Apr 5, 2016
(Electronic) Receipt
PCTRO
Apr 5, 2016
Abstract
PCTRO
Apr 5, 2016
Claims
PCTRO
Apr 5, 2016
Description
PCTRO
Apr 5, 2016
Apr 5, 2016
Drawings
PCTRO
Apr 5, 2016