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The patent EP2539136 was granted to A FAX on Dec 16, 2020. The application was filed on Feb 17, 2011 under application number EP11705675A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BOPLAN | Sep 15, 2021 | BRANTSANDPATENTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE19643874 |
| EXAMINATION | US2005204654 |
| EXAMINATION | US2006169966 |
| EXAMINATION | US2006273295 |
| EXAMINATION | WO0071830 |
| INTERNATIONAL-SEARCH-REPORT | DE19643874 |
| INTERNATIONAL-SEARCH-REPORT | GB2060469 |
| INTERNATIONAL-SEARCH-REPORT | US2008104899 |
| OPPOSITION | DE19643874 |
| OPPOSITION | EP0871825 |
| OPPOSITION | EP1483160 |
| OPPOSITION | GB2060469 |
| OPPOSITION | US2005204654 |
| OPPOSITION | US2006169966 |
| OPPOSITION | US2006273295 |
| OPPOSITION | US2008104899 |
| OPPOSITION | US4021977 |
| OPPOSITION | WO0071830 |
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.
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Description
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Nov 9, 2020
(Electronic) Receipt
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Nov 9, 2020
Filing of the translations of the claims
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Nov 9, 2020
French translation of claims
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Nov 9, 2020
German translation of the claims
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Nov 9, 2020
Letter accompanying subsequently filed items
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Oct 1, 2020
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Intention to grant (signatures)
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Oct 1, 2020
Text intended for grant (clean copy)
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Oct 1, 2020
Aug 24, 2020
(Electronic) Receipt
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Aug 24, 2020
Letter accompanying subsequently filed items
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Aug 24, 2020
May 15, 2020
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Intention to grant (signatures)
Search/Exam
May 15, 2020
Text intended for grant (clean copy)
Search/Exam
May 15, 2020
Apr 24, 2020
Apr 21, 2020
(Electronic) Receipt
Search/Exam
Apr 21, 2020
Annexes in respect of a client data request
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Apr 21, 2020
Annexes in respect of a client data request
Search/Exam
Apr 21, 2020
Annexes in respect of a client data request
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Apr 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2020
Apr 3, 2020
Mar 26, 2020
(Electronic) Receipt
Search/Exam
Mar 26, 2020
Amended claims with annotations
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Mar 26, 2020
Amended claims with annotations
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Mar 26, 2020
Amended claims with annotations
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Mar 26, 2020
Amended description with annotations
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Mar 26, 2020
Claims
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Mar 26, 2020
Claims
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Mar 26, 2020
Claims
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Mar 26, 2020
Description
Search/Exam
Mar 26, 2020
Letter accompanying subsequently filed items
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Mar 26, 2020
Feb 14, 2020
Acknowledgement of a document
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Feb 14, 2020
Annex to the communication
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Feb 14, 2020
Summons to attend oral proceedings
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Feb 13, 2020
(Electronic) Receipt
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Feb 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2020
Aug 5, 2019
(Electronic) Receipt
Search/Exam
Aug 5, 2019
Amended claims with annotations
Search/Exam
Aug 5, 2019
Claims
Search/Exam
Aug 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2019
May 24, 2019
Annex to the communication
Search/Exam
May 24, 2019
Communication from the Examining Division
Search/Exam
Sep 24, 2018
Decision to allow further processing
Search/Exam
Sep 14, 2018
(Electronic) Receipt
Search/Exam
Sep 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2018
Request for further processing
Search/Exam
Jul 5, 2018
Jan 29, 2018
Annex to the communication
Search/Exam
Jan 29, 2018
Communication from the Examining Division
Search/Exam
Jun 30, 2016
(Electronic) Receipt
Search/Exam
Jun 30, 2016
Amended claims with annotations
Search/Exam
Jun 30, 2016
Claims
Search/Exam
Jun 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2016
Apr 20, 2016
Apr 14, 2016
(Electronic) Receipt
Search/Exam
Apr 14, 2016
Letter accompanying subsequently filed items
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Apr 14, 2016
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Submission concerning representation
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Dec 21, 2015
Annex to a communication
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Dec 21, 2015
Annex to a communication
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Dec 21, 2015
Annex to a communication
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Dec 21, 2015
Annex to the communication
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Dec 21, 2015
Communication from the Examining Division
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Dec 8, 2015
Examination started
Search/Exam
Jul 6, 2015
Jun 30, 2015
(Electronic) Receipt
Search/Exam
Jun 30, 2015
Jun 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 20, 2015
Feb 13, 2015
Apr 10, 2013
(Electronic) Receipt
Search/Exam
Apr 10, 2013
Apr 10, 2013
Amended claims with annotations
Search/Exam
Apr 10, 2013
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Amended description with annotations
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Apr 10, 2013
Amendments received before examination
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Apr 10, 2013
Letter accompanying subsequently filed items
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Dec 5, 2012
Oct 24, 2012
Oct 1, 2012
Communication to designated inventor
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Oct 1, 2012
Communication to designated inventor
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Sep 11, 2012
Aug 3, 2012
(Electronic) Receipt
Search/Exam
Aug 3, 2012
Request for entry into the European phase
Search/Exam
Jul 6, 2012
Information on entry into European phase
Search/Exam
Sep 19, 2011
Sep 1, 2011
Sep 1, 2011
Copy of the international search report
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Sep 1, 2011
Published international application - A1
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May 25, 2011
Modified abstract
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May 24, 2011
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Feb 28, 2011
Abstract
PCTISA
Feb 28, 2011
Claims
PCTISA
Feb 28, 2011
Description
PCTISA
Feb 28, 2011
Drawings
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