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The patent EP2635592 was granted to Verbio on May 21, 2025. The application was filed on Nov 2, 2011 under application number EP11784965A. 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 |
|---|---|---|---|
| BASF | May 16, 2018 | EISENFUHR SPEISER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0002001 |
| DESCRIPTION | EP0656894 |
| DESCRIPTION | EP1179535 |
| DESCRIPTION | EP1179536 |
| DESCRIPTION | EP1226157 |
| DESCRIPTION | US3335154 |
| DESCRIPTION | US5424457 |
| INTERNATIONAL-SEARCH-REPORT | EP1179535 |
| INTERNATIONAL-SEARCH-REPORT | EP1179536 |
| OPPOSITION | CN101434633B |
| OPPOSITION | CN101701029B |
| OPPOSITION | CN101851561 |
| OPPOSITION | DE19652522 |
| OPPOSITION | DE19906551 |
| OPPOSITION | EP1169335 |
| OPPOSITION | EP1179535 |
| OPPOSITION | FR2856067 |
| OPPOSITION | GB1008767 |
| OPPOSITION | US4374776 |
| OPPOSITION | WO2009113935 |
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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(Electronic) Receipt
Appeal
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Description
OPPO
Jul 7, 2022
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Refund of fees
Appeal
May 10, 2022
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Apr 28, 2022
(Electronic) Receipt
Appeal
Apr 28, 2022
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Withdrawal of an appeal
Appeal
Feb 16, 2022
Feb 10, 2022
(Electronic) Receipt
Appeal
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Nov 26, 2021
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Oct 14, 2020
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Non-scannable object
Appeal
Oct 12, 2020
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Oct 9, 2020
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jul 5, 2017
(Electronic) Receipt
Search/Exam
Jul 5, 2017
English translation of the claims
Search/Exam
Jul 5, 2017
Filing of the translations of the claims
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Jul 5, 2017
French translation of claims
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Jul 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2017
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Search/Exam
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 2, 2017
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May 2, 2017
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Feb 28, 2017
(Electronic) Receipt
Search/Exam
Feb 28, 2017
Amended claims with annotations
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Feb 28, 2017
Claims
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Feb 28, 2017
Letter accompanying subsequently filed items
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Feb 28, 2017
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Search/Exam
Jan 24, 2017
Annex to the communication
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Jan 24, 2017
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Observations by third parties
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Jul 6, 2016
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Jul 6, 2016
Letter accompanying subsequently filed items
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Jul 6, 2016
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Submission concerning representation
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Jun 16, 2016
Submission concerning representation
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May 27, 2016
Annex to the communication
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May 27, 2016
Communication from the Examining Division
Search/Exam
May 4, 2016
(Electronic) Receipt
Search/Exam
May 4, 2016
Amended claims with annotations
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May 4, 2016
Amended description with annotations
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May 4, 2016
Claims
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May 4, 2016
Description
Search/Exam
May 4, 2016
Letter accompanying subsequently filed items
Search/Exam
May 4, 2016
Mar 4, 2016
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Observations by third parties
Search/Exam
Jan 5, 2016
Annex to the communication
Search/Exam
Jan 5, 2016
Communication from the Examining Division
Search/Exam
Dec 22, 2015
Examination started
Search/Exam
Feb 14, 2014
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Nov 25, 2013
Reply to Written Opinion prepared by the EPO
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Aug 14, 2013
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Communication to designated inventor
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Jun 14, 2013
Communication to designated inventor
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Jun 14, 2013
Communication to designated inventor
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May 24, 2013
May 16, 2013
(Electronic) Receipt
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May 16, 2013
Request for entry into the European phase
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Mar 15, 2013
Information on entry into European phase
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Jun 4, 2012
May 10, 2012
Copy of the international search report
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May 10, 2012
Copy of the international search report
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May 10, 2012
Published international application - A1
Search/Exam
Jan 16, 2012
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Nov 2, 2011
(Electronic) Receipt
PCTRO
Nov 2, 2011
Abstract
PCTRO
Nov 2, 2011
Claims
PCTRO
Nov 2, 2011
Description
PCTRO