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The patent EP3329168 was granted to Hydac Accessories on Apr 28, 2021. The application was filed on Jun 17, 2016 under application number EP16733292A. 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 |
|---|---|---|---|
| MULLER AX | Jan 28, 2022 | LENZING GERBER STUTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19934574 |
| INTERNATIONAL-SEARCH-REPORT | US2011220224 |
| INTERNATIONAL-SEARCH-REPORT | US3106346 |
| OPPOSITION | US2011220224 |
| OPPOSITION | US2015000777 |
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 12, 2021
Apr 1, 2021
Decision to grant a European patent
Search/Exam
Mar 26, 2021
Decision to allow further processing
Search/Exam
Mar 11, 2021
(Electronic) Receipt
Search/Exam
Mar 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2021
Request for further processing
Search/Exam
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Intention to grant (signatures)
Search/Exam
Oct 19, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2020
Sep 21, 2020
(Electronic) Receipt
Search/Exam
Sep 21, 2020
Amended claims with annotations
Search/Exam
Sep 21, 2020
Amended description with annotations
Search/Exam
Sep 21, 2020
Claims
Search/Exam
Sep 21, 2020
Description
Search/Exam
Sep 21, 2020
English translation of the claims
Search/Exam
Sep 21, 2020
French translation of claims
Search/Exam
Sep 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2020
Jun 30, 2020
Jun 30, 2020
Jun 30, 2020
Intention to grant (signatures)
Search/Exam
Jun 30, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 30, 2020
Feb 19, 2020
(Electronic) Receipt
Search/Exam
Feb 19, 2020
Amended claims with annotations
Search/Exam
Feb 19, 2020
Amended description with annotations
Search/Exam
Feb 19, 2020
Claims
Search/Exam
Feb 19, 2020
Description
Search/Exam
Feb 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 19, 2020
Oct 31, 2019
Annex to the communication
Search/Exam
Oct 31, 2019
Communication from the Examining Division
Search/Exam
Oct 24, 2019
Examination started
Search/Exam
Aug 29, 2018
(Electronic) Receipt
Search/Exam
Aug 29, 2018
Aug 29, 2018
Amended claims with annotations
Search/Exam
Aug 29, 2018
Aug 29, 2018
Amended description with annotations
Search/Exam
Aug 29, 2018
Amendments received before examination
Search/Exam
Aug 29, 2018
Letter accompanying subsequently filed items
Search/Exam
May 9, 2018
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Mar 7, 2018
Communication to designated inventor
Search/Exam
Feb 12, 2018
Jan 11, 2018
Submission concerning representation
Search/Exam
Jan 9, 2018
Dec 21, 2017
Annex
Search/Exam
Dec 21, 2017
Letter concerning search matters
Search/Exam
Dec 21, 2017
Priority search results
Search/Exam
Dec 21, 2017
Request for entry into the European phase
Search/Exam
Dec 6, 2017
Information on entry into European phase
Search/Exam
Feb 23, 2017
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
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Published international application - A1
Search/Exam
Sep 30, 2016
ISR: cited documents
PCTISA
Sep 30, 2016
Sep 29, 2016
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Jul 14, 2016
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Jun 24, 2016
Jun 17, 2016
Abstract
PCTRO
Jun 17, 2016
Claims
PCTRO
Jun 17, 2016
Description
PCTRO
Jun 17, 2016
Jun 17, 2016
Drawings
PCTRO
Jun 17, 2016
Jun 17, 2016