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The patent EP2836609 was granted to Envirologix on Jun 15, 2022. The application was filed on Apr 9, 2013 under application number EP13775206A. 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 |
|---|---|---|---|
| MATHYS & SQUIRE | Feb 21, 2020 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO03008622 |
| INTERNATIONAL-SEARCH-REPORT | WO2008002920 |
| INTERNATIONAL-SEARCH-REPORT | WO2009012246 |
| INTERNATIONAL-SEARCH-REPORT | WO2012021493 |
| INTERNATIONAL-SEARCH-REPORT | WO2012022755 |
| OPPOSITION | EP1201768 |
| OPPOSITION | EP1420069 |
| OPPOSITION | US2009081760 |
| OPPOSITION | US5455166 |
| OPPOSITION | WO2012021493 |
| SEARCH | EP1201768 |
| SEARCH | EP1420069 |
| SEARCH | US2009081670 |
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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May 19, 2022
May 19, 2022
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Apr 11, 2022
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Mar 23, 2022
Refund of fees
Appeal
Mar 22, 2022
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Mar 16, 2022
(Electronic) Receipt
Appeal
Mar 16, 2022
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Mar 16, 2022
Withdrawal of an appeal
Appeal
Jan 21, 2022
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(Electronic) Receipt
Appeal
Jan 17, 2022
Jan 17, 2022
Notice of appeal
Appeal
Dec 1, 2021
Nov 24, 2021
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Means of redress
Search/Exam
Nov 8, 2021
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Jun 3, 2019
Apr 26, 2019
Decision to grant a European patent
Search/Exam
Feb 28, 2019
(Electronic) Receipt
Search/Exam
Feb 28, 2019
Filing of the translations of the claims
Search/Exam
Feb 28, 2019
French translation of claims
Search/Exam
Feb 28, 2019
German translation of the claims
Search/Exam
Feb 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2018
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Intention to grant (signatures)
Search/Exam
Oct 19, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2018
Sep 12, 2018
Amended claims with annotations
Search/Exam
Sep 12, 2018
Amended description with annotations
Search/Exam
Sep 12, 2018
Claims
Search/Exam
Sep 12, 2018
Description
Search/Exam
Sep 12, 2018
May 2, 2018
Annex to the communication
Search/Exam
May 2, 2018
Communication from the Examining Division
Search/Exam
Sep 26, 2017
Amended claims with annotations
Search/Exam
Sep 26, 2017
Claims
Search/Exam
Sep 26, 2017
Sep 13, 2017
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Apr 25, 2017
Annex to the communication
Search/Exam
Apr 25, 2017
Communication from the Examining Division
Search/Exam
Apr 10, 2017
Examination started
Search/Exam
May 6, 2016
May 6, 2016
Amended claims with annotations
Search/Exam
May 6, 2016
Amendments received before examination
Search/Exam
Oct 27, 2015
Oct 8, 2015
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European search opinion
Search/Exam
Oct 8, 2015
Supplementary European search report
Search/Exam
Sep 29, 2015
Search started
Search/Exam
May 26, 2015
May 26, 2015
Amended claims with annotations
Search/Exam
May 26, 2015
Amendments received before examination
Search/Exam
Jan 21, 2015
Jan 8, 2015
(Electronic) Receipt
Search/Exam
Jan 8, 2015
Jan 8, 2015
Amended description with annotations
Search/Exam
Jan 8, 2015
Converted Sequence Listing
Search/Exam
Jan 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2015
Dec 2, 2014
Deficiencies in sequence listing
Search/Exam
Nov 18, 2014
Nov 14, 2014
Communication to designated inventor
Search/Exam
Nov 14, 2014
Communication to designated inventor
Search/Exam
Nov 7, 2014
Oct 29, 2014
(Electronic) Receipt
Search/Exam
Oct 29, 2014
Oct 29, 2014
Amendments received before examination
Search/Exam
Oct 29, 2014
Oct 29, 2014
Request for correction of client data
Search/Exam
Oct 29, 2014
Request for entry into the European phase
Search/Exam
Aug 22, 2014
Information on entry into European phase
Search/Exam
Jan 9, 2014
Copy of the international search report
Search/Exam
Jan 9, 2014
Published international application - A9
Search/Exam
Nov 8, 2013
Oct 17, 2013
Copy of the international search report
Search/Exam
Oct 17, 2013
Published international application - A1
Search/Exam