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The patent EP1897438 was granted to Holm on Dec 25, 2019. The application was filed on Jul 28, 2007 under application number EP07014865A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| FORSTER TECHNIK | Feb 9, 2018 | PATENTANWALTE UND RECHTSANWALT WEISS | ADMISSIBLE |
| URBAN | Feb 8, 2018 | MANASSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202005012843U |
| OPPOSITION | CN2129062Y |
| OPPOSITION | DE10206270 |
| OPPOSITION | DE19901587 |
| OPPOSITION | DE202005012843U |
| OPPOSITION | DE202006013899U |
| OPPOSITION | DE20305754U |
| OPPOSITION | DE2920649 |
| OPPOSITION | DE3709387 |
| OPPOSITION | DE4405687 |
| OPPOSITION | DE69632502T |
| OPPOSITION | EP0903078 |
| OPPOSITION | EP1522217 |
| OPPOSITION | GB344636 |
| OPPOSITION | US2004163577 |
| OPPOSITION | US3037481 |
| OPPOSITION | US4181097 |
| OPPOSITION | US4502416 |
| OPPOSITION | US5016687 |
| OPPOSITION | US5377729 |
| OPPOSITION | US5620032 |
| OPPOSITION | US6360691 |
| OPPOSITION | WO03015928 |
| OPPOSITION | WO2004106219 |
| OPPOSITION | WO9743549 |
| SEARCH | DE19901587 |
| SEARCH | DE202005012843U |
| SEARCH | DE20305754U |
| SEARCH | EP1522217 |
| SEARCH | US2004163577 |
| SEARCH | US3037481 |
| SEARCH | US4181097 |
| SEARCH | US4502416 |
| SEARCH | US6360691 |
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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Nov 28, 2019
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OPPO
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Claims
OPPO
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Authorisation
OPPO
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May 10, 2017
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Decision to grant a European patent
Search/Exam
Mar 29, 2017
(Electronic) Receipt
Search/Exam
Mar 29, 2017
English translation of the claims
Search/Exam
Mar 29, 2017
French translation of claims
Search/Exam
Mar 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2016
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Intention to grant (signatures)
Search/Exam
Dec 2, 2016
Text intended for grant
Search/Exam
Aug 4, 2016
(Electronic) Receipt
Search/Exam
Aug 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2016
Jul 21, 2016
Payment of fees and costs
Search/Exam
Jul 21, 2016
Payment of fees and costs
Search/Exam
Apr 28, 2016
Annex to the communication
Search/Exam
Apr 28, 2016
Communication from the Examining Division
Search/Exam
Nov 10, 2015
(Electronic) Receipt
Search/Exam
Nov 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2015
Jul 10, 2015
Annex to the communication
Search/Exam
Jul 10, 2015
Communication from the Examining Division
Search/Exam
Jun 18, 2015
Payment of fees and costs
Search/Exam
May 13, 2015
Examination started
Search/Exam
Jan 19, 2015
Jan 13, 2015
Submission concerning representation
Search/Exam
May 10, 2014
General enquiry
Search/Exam
May 9, 2014
Payment of fees and costs
Search/Exam
Jul 5, 2013
Payment of fees and costs
Search/Exam
Apr 18, 2012
Apr 18, 2012
Amended claims with annotations
Search/Exam
Apr 18, 2012
Apr 18, 2012
Amended description with annotations
Search/Exam
Apr 18, 2012
Amendments received before examination
Search/Exam
Apr 18, 2012
Payment of fees and costs
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Oct 24, 2011
Sep 20, 2011
Sep 20, 2011
European search opinion
Search/Exam
Sep 20, 2011
European search report
Search/Exam
May 11, 2011
General enquiry
Search/Exam
May 4, 2009
Payment of fees and costs
Search/Exam
Apr 3, 2009
Apr 3, 2009
Partial European search report
Search/Exam
Aug 6, 2008
Feb 13, 2008
Notification of forthcoming publication
Search/Exam
Jan 3, 2008
Modified abstract
Search/Exam
Aug 18, 2007
Letter concerning the priority
Search/Exam
Aug 18, 2007
Priority document
Search/Exam
Jul 28, 2007
Abstract
Search/Exam
Jul 28, 2007
Claims
Search/Exam
Jul 28, 2007
Description
Search/Exam
Jul 28, 2007
Drawings
Search/Exam
Jul 28, 2007
Request for grant of a European patent
Search/Exam