The patent EP2109934 was granted to CVF on Sep 4, 2019. The application was originally filed on Jan 3, 2008 under application number EP08705658A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | DE10222408 | 
| DESCRIPTION | US2005094822 | 
| DESCRIPTION | US2007255435 | 
| DESCRIPTION | US4548082 | 
| DESCRIPTION | WO0154458 | 
| DESCRIPTION | WO03030586 | 
| DESCRIPTION | WO2004004414 | 
| EXAMINATION | EP1667487 | 
| EXAMINATION | US2006222182 | 
| EXAMINATION | US6181800 | 
| INTERNATIONAL-SEARCH-REPORT | US6463128 | 
| INTERNATIONAL-SEARCH-REPORT | US6840908 | 
| OPPOSITION | EP1667487 | 
| OPPOSITION | US2002068986 | 
| OPPOSITION | US2005094822 | 
| OPPOSITION | US2005260985 | 
| OPPOSITION | US2006222182 | 
| OPPOSITION | US4548082 | 
| OPPOSITION | US6181800 | 
| OPPOSITION | US6463128 | 
| OPPOSITION | US6840908 | 
| OPPOSITION | WO0124576 | 
| OPPOSITION | WO0169970 | 
| OPPOSITION | WO03030586 | 
| OPPOSITION | WO2004004414 | 
| SEARCH | US2005094822 | 
| SEARCH | US4548082 | 
| SEARCH | WO03030586 | 
| SEARCH | WO2004004414 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - "Acoustics - Statistical distribution of hearing tresholds as a function of age", Dansk standard DS/EN ISO 7029 (English), (20000627), XP055348785 | 
| OPPOSITION | - GARY P. JACOBSON et al., "Development of the Three-Clinic Hearing Aid Selection Profile (HASP", Journal of the American Academy of Audiology, (20010000), vol. 12, no. 3, pages 128 - 141, XP055348787 | 
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Date
Description
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Aug 8, 2019
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Apr 28, 2016
Apr 1, 2016
Decision to grant a European patent
Search/Exam
Feb 24, 2016
(Electronic) Receipt
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Feb 24, 2016
Filing of the translations of the claims
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Feb 24, 2016
French translation of claims
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Feb 24, 2016
German translation of the claims
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Nov 19, 2015
Nov 12, 2015
(Electronic) Receipt
Search/Exam
Nov 12, 2015
Letter accompanying subsequently filed items
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Nov 12, 2015
Nov 11, 2015
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Nov 11, 2015
Intention to grant (signatures)
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Nov 11, 2015
Text intended for grant (clean copy)
Search/Exam
Nov 11, 2015
Sep 2, 2015
Aug 25, 2015
(Electronic) Receipt
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Aug 25, 2015
Letter accompanying subsequently filed items
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Aug 25, 2015
Jul 22, 2015
(Electronic) Receipt
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Jul 22, 2015
(Electronic) Receipt
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Jul 22, 2015
Amended claims with annotations
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Jul 22, 2015
Amended description with annotations
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Jul 22, 2015
Annexes in respect of a client data request
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Jul 22, 2015
Claims
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Jul 22, 2015
Description
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Jul 22, 2015
Letter accompanying subsequently filed items
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Jul 22, 2015
Letter accompanying subsequently filed items
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Jul 22, 2015
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Jul 13, 2015
Annex to the communication
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Jul 13, 2015
Consultation by telephone/in person
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Jul 13, 2015
Jul 9, 2015
Jul 2, 2015
May 7, 2015
Annex to the communication
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May 7, 2015
Communication from the Examining Division
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Dec 1, 2014
(Electronic) Receipt
Search/Exam
Dec 1, 2014
Amended claims with annotations
Search/Exam
Dec 1, 2014
Amended description with annotations
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Dec 1, 2014
Claims
Search/Exam
Dec 1, 2014
Description
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Dec 1, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2014
Oct 15, 2014
Oct 9, 2014
(Electronic) Receipt
Search/Exam
Oct 9, 2014
Letter accompanying subsequently filed items
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Oct 9, 2014
Jun 11, 2014
Annex to the communication
Search/Exam
Jun 11, 2014
Communication from the Examining Division
Search/Exam
Mar 11, 2014
Examination started
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Jan 30, 2014
(Electronic) Receipt
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Jan 30, 2014
Jan 30, 2014
Amended claims with annotations
Search/Exam
Jan 30, 2014
Jan 30, 2014
Amended description with annotations
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Jan 30, 2014
Amendments received before examination
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Jan 30, 2014
Letter accompanying subsequently filed items
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Aug 6, 2013
Jul 19, 2013
Jul 19, 2013
European search opinion
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Jul 19, 2013
Supplementary European search report
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Jul 9, 2013
Search started
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Oct 23, 2009
Letter concerning the inventor
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Sep 23, 2009
Aug 28, 2009
Aug 21, 2009
Letter which had not been notified
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Aug 14, 2009
Jul 30, 2009
Jul 30, 2009
Matter concerning the application
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Jul 30, 2009
Request for entry into the European phase
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Jul 28, 2009
Jul 28, 2009
Fax request to enter the European phase
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Jul 28, 2009
Matter concerning the application
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Jul 22, 2009
May 25, 2009
Information on entry into European phase
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Aug 5, 2008
Jul 17, 2008
Copy of the international search report
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Jul 17, 2008
Published international application - A1
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