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The patent EP2192966 was granted to Hydac Filtertechnik on Nov 29, 2017. The application was filed on Jul 24, 2008 under application number EP08785009A. 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 |
|---|---|---|---|
| CATERPILLAR | Aug 29, 2018 | KRAMER BARSKE SCHMIDTCHEN PATENTANWALTE PARTG MBB | ADMISSIBLE |
| MANN HUMMEL | Aug 29, 2018 | KOHLER SCHMID MOBUS PATENTANWALTE | ADMISSIBLE |
| DONALDSON | Aug 28, 2018 | PGA | ADMISSIBLE |
| MAHLE | Aug 14, 2018 | BRP RENAUD & PARTNER | ADMISSIBLE |
| MAHLE | Aug 14, 2018 | BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE20011003U |
| INTERNATIONAL-SEARCH-REPORT | EP0844012 |
| INTERNATIONAL-SEARCH-REPORT | US2003226800 |
| INTERNATIONAL-SEARCH-REPORT | US4721563 |
| INTERNATIONAL-SEARCH-REPORT | US6308836 |
| INTERNATIONAL-SEARCH-REPORT | WO2008068237 |
| INTERNATIONAL-SEARCH-REPORT | WO9716235 |
| OPPOSITION | DE10133893 |
| OPPOSITION | DE10142775 |
| OPPOSITION | DE10309428 |
| OPPOSITION | DE1933283 |
| OPPOSITION | DE1949742 |
| OPPOSITION | DE1949742U |
| OPPOSITION | DE19613847 |
| OPPOSITION | DE19634720 |
| OPPOSITION | DE20011003U |
| OPPOSITION | DE202006018334U |
| OPPOSITION | DE202006018335U |
| OPPOSITION | DE69808264T |
| OPPOSITION | EP0771582 |
| OPPOSITION | EP0844012 |
| OPPOSITION | EP1009512 |
| OPPOSITION | EP1222011 |
| OPPOSITION | EP2192966 |
| OPPOSITION | FR1186929 |
| OPPOSITION | US2002158006 |
| OPPOSITION | US2003010707 |
| OPPOSITION | US2003146149 |
| OPPOSITION | US2003226793 |
| OPPOSITION | US2003226800 |
| OPPOSITION | US2007181481 |
| OPPOSITION | US4721563 |
| OPPOSITION | US5904357 |
| OPPOSITION | US6024229 |
| OPPOSITION | US6187191 |
| OPPOSITION | US6308836 |
| OPPOSITION | US6571962 |
| OPPOSITION | USD528630S |
| OPPOSITION | USD548307S |
| OPPOSITION | WO0024494 |
| OPPOSITION | WO02094414 |
| OPPOSITION | WO2006120243 |
| OPPOSITION | WO2007090249 |
| OPPOSITION | WO2007090250 |
| OPPOSITION | WO2007094978 |
| OPPOSITION | WO2008068237 |
| OPPOSITION | WO2009043403 |
| OPPOSITION | WO9715370 |
| OPPOSITION | WO9716235 |
| OPPOSITION | WO9847597 |
| OPPOSITION | WO9847598 |
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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Feb 15, 2023
Advice of delivery
Appeal
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Non-scannable object
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Submission concerning representation
Search/Exam
Dec 7, 2017
Nov 6, 2017
Decision to grant a European patent
Search/Exam
Oct 19, 2017
English translation of the claims
Search/Exam
Oct 19, 2017
Filing of the translations of the claims
Search/Exam
Oct 19, 2017
French translation of claims
Search/Exam
Oct 19, 2017
Payment of fees and costs
Search/Exam
Jul 18, 2017
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Intention to grant (signatures)
Search/Exam
Jul 18, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 18, 2017
May 30, 2017
Examination started
Search/Exam
Mar 14, 2017
Feb 2, 2017
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Jun 28, 2016
Payment of fees and costs
Search/Exam
Jun 23, 2015
Payment of fees and costs
Search/Exam
Jun 26, 2014
Payment of fees and costs
Search/Exam
Jun 12, 2010
Amendments received before examination
Search/Exam
Jun 11, 2010
Jun 11, 2010
Amended claims with annotations
Search/Exam
Jun 11, 2010
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Amended description with annotations
Search/Exam
Jun 11, 2010
Amendments received before examination
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May 12, 2010
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Jan 14, 2010
Annex
Search/Exam
Jan 14, 2010
Annex
Search/Exam
Jan 14, 2010
Annex
Search/Exam
Jan 14, 2010
Request for entry into the European phase
Search/Exam
Apr 28, 2009
Apr 9, 2009
Copy of the international search report
Search/Exam
Apr 9, 2009
Copy of the international search report
Search/Exam
Apr 9, 2009
Published international application - A1
Search/Exam
Feb 3, 2009
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Jul 24, 2008
Abstract
PCTRO
Jul 24, 2008
Claims
PCTRO
Jul 24, 2008
Description
PCTRO
Jul 24, 2008
Drawings
PCTRO