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The patent EP2087175 was granted to Hill&Smith on Apr 21, 2021. The application was filed on Nov 21, 2007 under application number EP07824670A. 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 |
|---|---|---|---|
| GOTZE | Oct 9, 2018 | MOSER GOTZE & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0462307 |
| INTERNATIONAL-SEARCH-REPORT | EP0462307 |
| INTERNATIONAL-SEARCH-REPORT | EP1001090 |
| INTERNATIONAL-SEARCH-REPORT | EP1063357 |
| INTERNATIONAL-SEARCH-REPORT | EP1418274 |
| INTERNATIONAL-SEARCH-REPORT | EP1693519 |
| INTERNATIONAL-SEARCH-REPORT | FR2745596 |
| OPPOSITION | EP1384821 |
| OPPOSITION | FR2745596 |
| OPPOSITION | US4681302 |
| OPPOSITION | US6669402 |
| OPPOSITION | WO2005116342 |
| OPPOSITION | WO2007036239 |
| OPPOSITION | WO2008062196 |
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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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Aug 3, 2018
Jul 27, 2018
(Electronic) Receipt
Search/Exam
Jul 27, 2018
Annexes in respect of a client data request
Search/Exam
Jul 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2018
Dec 14, 2017
Decision to grant a European patent
Search/Exam
Nov 30, 2017
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Nov 30, 2017
Intention to grant (signatures)
Search/Exam
Nov 30, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 30, 2017
Nov 24, 2017
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
Amended claims with annotations
Search/Exam
Nov 6, 2017
Claims
Search/Exam
Nov 6, 2017
French translation of claims
Search/Exam
Nov 6, 2017
German translation of the claims
Search/Exam
Nov 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Jun 26, 2017
Jun 26, 2017
Jun 26, 2017
Intention to grant (signatures)
Search/Exam
Jun 26, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 26, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Letter concerning fees and payments
Search/Exam
Jan 4, 2017
Oct 19, 2016
Oct 14, 2016
Oct 19, 2015
Oct 14, 2015
Oct 8, 2015
Sep 25, 2015
(Electronic) Receipt
Search/Exam
Sep 25, 2015
Amended claims with annotations
Search/Exam
Sep 25, 2015
Amended description with annotations
Search/Exam
Sep 25, 2015
Annex
Search/Exam
Sep 25, 2015
Claims
Search/Exam
Sep 25, 2015
Description
Search/Exam
Sep 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2015
May 18, 2015
Annex to the communication
Search/Exam
May 18, 2015
Communication from the Examining Division
Search/Exam
Apr 8, 2015
Dec 19, 2014
Dec 16, 2014
May 2, 2013
Apr 29, 2013
Jul 29, 2011
Amended claims with annotations
Search/Exam
Jul 29, 2011
Claims
Search/Exam
Jul 29, 2011
Description
Search/Exam
Jul 29, 2011
Jul 28, 2011
Amended claims with annotations
Search/Exam
Jul 28, 2011
Claims
Search/Exam
Jul 28, 2011
Description
Search/Exam
Jul 28, 2011
Jul 4, 2011
Annex to the communication
Search/Exam
Jul 4, 2011
Communication from the Examining Division
Search/Exam
Jun 10, 2011
Jun 9, 2011
General enquiry
Search/Exam
Jul 15, 2009
Jul 1, 2009
Jun 10, 2009
Jun 9, 2009
Jun 9, 2009
Matter concerning the application
Search/Exam
Jun 9, 2009
Payment of fees and costs
Search/Exam
Jun 9, 2009
Request for entry into the European phase
Search/Exam
May 12, 2009
Notification of the recording of a change
Search/Exam
Apr 2, 2009
Information on entry into European phase
Search/Exam
Jun 18, 2008
May 29, 2008
Copy of the international search report
Search/Exam
May 29, 2008
Published international application - A1
Search/Exam
Dec 7, 2007
Abstract
PCTISA
Dec 7, 2007
Claims
PCTISA
Dec 7, 2007
Description
PCTISA
Dec 7, 2007
Drawings
PCTISA