The patent EP2061998 was granted to AAF Mcquay on Dec 2, 2020. The application was originally filed on Oct 9, 2007 under application number EP07839361A. 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004107688 |
| INTERNATIONAL-SEARCH-REPORT | US2005223737 |
| INTERNATIONAL-SEARCH-REPORT | US2581709 |
| INTERNATIONAL-SEARCH-REPORT | US3063259 |
| INTERNATIONAL-SEARCH-REPORT | US5113669 |
| INTERNATIONAL-SEARCH-REPORT | US6039534 |
| INTERNATIONAL-SEARCH-REPORT | US6220341 |
| INTERNATIONAL-SEARCH-REPORT | US6674187 |
| INTERNATIONAL-SEARCH-REPORT | US6958126 |
| OPPOSITION | CA2373905 |
| OPPOSITION | EP1614982 |
| OPPOSITION | EP1961972 |
| OPPOSITION | JPH1113695 |
| OPPOSITION | US2005223737 |
| OPPOSITION | US5019733 |
| OPPOSITION | US5467613 |
| OPPOSITION | US5857348 |
| OPPOSITION | US5924847 |
| OPPOSITION | US6039534 |
| OPPOSITION | US6070421 |
| SEARCH | EP1614982 |
| SEARCH | US3241331 |
| SEARCH | US6070421 |
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Date
Description
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Nov 5, 2020
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Claims
OPPO
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OPPO
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Dec 14, 2017
Nov 9, 2017
Decision to grant a European patent
Search/Exam
Oct 26, 2017
Oct 16, 2017
(Electronic) Receipt
Search/Exam
Oct 16, 2017
Filing of the translations of the claims
Search/Exam
Oct 16, 2017
French translation of claims
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Oct 16, 2017
German translation of the claims
Search/Exam
Oct 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2017
(Electronic) Receipt
Search/Exam
Sep 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2017
Jun 9, 2017
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Intention to grant (signatures)
Search/Exam
Jun 9, 2017
Text intended for grant (clean copy)
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Jun 9, 2017
Dec 19, 2013
(Electronic) Receipt
Search/Exam
Dec 19, 2013
Dec 19, 2013
Amended claims with annotations
Search/Exam
Dec 19, 2013
Amendments received before examination
Search/Exam
Dec 19, 2013
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2013
Jul 30, 2013
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European search opinion
Search/Exam
Jul 30, 2013
Supplementary European search report
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Apr 12, 2013
(Electronic) Receipt
Search/Exam
Apr 12, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2013
Feb 20, 2013
Oct 30, 2009
May 22, 2009
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Amendments received before examination
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May 22, 2009
Payment of fees and costs
Search/Exam
May 18, 2009
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Amendments received before examination
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May 18, 2009
Cover sheet for fax transmission
Search/Exam
May 18, 2009
Payment of fees and costs
Search/Exam
Apr 29, 2009
Apr 23, 2009
Apr 16, 2009
Apr 14, 2009
Priority document
Search/Exam
Apr 14, 2009
Priority document
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Apr 14, 2009
Reply by International Bureau
Search/Exam
Apr 6, 2009
Enquiry with the International Bureau
Search/Exam
Mar 30, 2009
(Electronic) Receipt
Search/Exam
Mar 30, 2009
Request for entry into the European phase
Search/Exam
Feb 19, 2009
Information on entry into European phase
Search/Exam
Jul 17, 2008
Copy of the international search report
Search/Exam
Jul 17, 2008
Apr 17, 2008
Published international application - A2
Search/Exam