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The patent EP2771891 was granted to Brusa Elektronik on Mar 24, 2021. The application was filed on Oct 19, 2012 under application number EP12794497A. 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 |
|---|---|---|---|
| SEW EURODRIVE | May 23, 2019 | - | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10135599 |
| DESCRIPTION | DE10246543 |
| DESCRIPTION | DE8633338U |
| DESCRIPTION | EP0142207 |
| DESCRIPTION | EP0551555 |
| DESCRIPTION | JPH08222441 |
| DESCRIPTION | JPS5922305 |
| DESCRIPTION | NL43681C |
| INTERNATIONAL-SEARCH-REPORT | EP0057832 |
| INTERNATIONAL-SEARCH-REPORT | EP0551555 |
| INTERNATIONAL-SEARCH-REPORT | JPS5922305 |
| INTERNATIONAL-SEARCH-REPORT | NL43681C |
| OPPOSITION | EP0057832 |
| OPPOSITION | EP0551555 |
| OPPOSITION | JPS5922305 |
| OPPOSITION | NL43681C |
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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Aug 8, 2022
Deficiencies as to Rule 23 EPC
Search/Exam
Jul 29, 2022
Letter to the Legal Division
Search/Exam
Feb 25, 2021
Feb 25, 2021
Feb 19, 2021
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Means of redress
OPPO
Jul 27, 2020
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Description
OPPO
May 22, 2020
Description
OPPO
May 22, 2020
May 20, 2020
May 15, 2020
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May 15, 2020
Description
OPPO
May 15, 2020
Description
OPPO
May 15, 2020
Feb 24, 2020
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Oct 25, 2019
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Authorisation
OPPO
Oct 25, 2019
Claims
OPPO
Oct 25, 2019
Claims
OPPO
Oct 25, 2019
Claims
OPPO
Oct 25, 2019
Oct 25, 2019
Oct 25, 2019
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Sep 17, 2018
Aug 9, 2018
Decision to grant a European patent
Search/Exam
Jul 25, 2018
(Electronic) Receipt
Search/Exam
Jul 25, 2018
Filing of the translations of the claims
Search/Exam
Jul 25, 2018
French translation of claims
Search/Exam
Jul 25, 2018
German translation of the claims
Search/Exam
Mar 26, 2018
Mar 26, 2018
Mar 26, 2018
Intention to grant (signatures)
Search/Exam
Mar 26, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 26, 2018
Feb 23, 2018
Examination started
Search/Exam
Aug 22, 2017
Aug 8, 2017
(Electronic) Receipt
Search/Exam
Aug 8, 2017
Enquiry as to the processing of the file
Search/Exam
Aug 8, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
May 10, 2017
Annexes in respect of a client data request
Search/Exam
May 10, 2017
Annexes in respect of a client data request
Search/Exam
May 10, 2017
Authorisation
Search/Exam
May 9, 2017
May 5, 2017
May 3, 2017
Dec 4, 2015
Sep 9, 2015
Sep 4, 2015
Sep 2, 2015
Sep 16, 2014
Aug 6, 2014
Jul 1, 2014
Jun 24, 2014
Priority search results copy provided by EPO
Search/Exam
Jun 3, 2014
Communication to designated inventor
Search/Exam
May 19, 2014
(Electronic) Receipt
Search/Exam
May 19, 2014
May 19, 2014
May 19, 2014
Amended description with annotations
Search/Exam
May 19, 2014
Amendments received before examination
Search/Exam
May 19, 2014
Request for entry into the European phase
Search/Exam
May 13, 2014
Mar 10, 2014
Information on entry into European phase
Search/Exam
May 24, 2013
May 24, 2013
May 2, 2013
Copy of the international search report
Search/Exam
May 2, 2013
Published international application - A1
Search/Exam
Mar 11, 2013
Mar 11, 2013
Mar 11, 2013
Nov 30, 2012
Abstract
PCTISA
Nov 30, 2012
Claims
PCTISA
Nov 30, 2012
Description
PCTISA
Nov 30, 2012
Drawings
PCTISA