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The patent EP1963020 was granted to Basf on Dec 1, 2021. The application was filed on Nov 23, 2006 under application number EP06819714A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| GCP APPLIED | Jun 14, 2022 | J A KEMP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE19834173 |
| EXAMINATION | EP0560602 |
| INTERNATIONAL-SEARCH-REPORT | EP1260535 |
| INTERNATIONAL-SEARCH-REPORT | GB2309693 |
| INTERNATIONAL-SEARCH-REPORT | WO2005123621 |
| OPPOSITION | US4471100 |
| OPPOSITION | US4946904 |
| OPPOSITION | US6641661 |
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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OPPO
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OPPO
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Nov 29, 2021
Oct 27, 2021
Oct 27, 2021
Sep 28, 2021
Sep 8, 2021
(Electronic) Receipt
Search/Exam
Sep 8, 2021
Annexes in respect of a client data request
Search/Exam
Sep 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2021
Aug 19, 2021
Decision to grant a European patent
Search/Exam
Aug 17, 2021
Aug 13, 2021
Decision to allow further processing
Search/Exam
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
English translation of the claims
Search/Exam
Aug 4, 2021
French translation of claims
Search/Exam
Aug 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2021
Request for further processing
Search/Exam
Jul 13, 2021
Jun 17, 2021
(Electronic) Receipt
Search/Exam
Jun 17, 2021
Annexes in respect of a client data request
Search/Exam
Jun 17, 2021
Annexes in respect of a client data request
Search/Exam
Jun 17, 2021
Annexes in respect of a client data request
Search/Exam
Jun 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2021
May 25, 2021
May 11, 2021
(Electronic) Receipt
Search/Exam
May 11, 2021
Annexes in respect of a client data request
Search/Exam
May 11, 2021
Annexes in respect of a client data request
Search/Exam
May 11, 2021
Letter accompanying subsequently filed items
Search/Exam
May 11, 2021
May 11, 2021
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Intention to grant (signatures)
Search/Exam
Jan 18, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 18, 2021
Sep 2, 2020
Aug 31, 2020
Aug 3, 2020
(Electronic) Receipt
Search/Exam
Aug 3, 2020
Annexes in respect of a client data request
Search/Exam
Aug 3, 2020
Description
Search/Exam
Aug 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2020
Jul 9, 2020
Annex to the communication
Search/Exam
Jul 9, 2020
Communication from the Examining Division
Search/Exam
Jul 7, 2020
Jul 2, 2020
Jul 2, 2020
Jun 3, 2020
Decision to allow further processing
Search/Exam
May 26, 2020
(Electronic) Receipt
Search/Exam
May 26, 2020
Amended claims with annotations
Search/Exam
May 26, 2020
Annex
Search/Exam
May 26, 2020
Claims
Search/Exam
May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
May 26, 2020
Request for further processing
Search/Exam
Feb 4, 2020
Nov 13, 2019
Nov 8, 2019
(Electronic) Receipt
Search/Exam
Nov 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2019
Jul 4, 2019
Annex to the communication
Search/Exam
Jul 4, 2019
Communication from the Examining Division
Search/Exam
Apr 4, 2019
(Electronic) Receipt
Search/Exam
Apr 4, 2019
Amended claims with annotations
Search/Exam
Apr 4, 2019
Claims
Search/Exam
Apr 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2019
Feb 11, 2019
Feb 5, 2019
(Electronic) Receipt
Search/Exam
Feb 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2019
Sep 25, 2018
Annex to the communication
Search/Exam
Sep 25, 2018
Communication from the Examining Division
Search/Exam
Feb 15, 2017
Feb 15, 2017
Submission concerning representation
Search/Exam
Jun 23, 2016
(Electronic) Receipt
Search/Exam
Jun 23, 2016
Amended claims with annotations
Search/Exam
Jun 23, 2016
Claims
Search/Exam
Jun 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2016
Mar 14, 2016
Annex to the communication
Search/Exam
Mar 14, 2016
Communication from the Examining Division
Search/Exam
Mar 8, 2016
Mar 3, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 3, 2016
Mar 3, 2016
Jun 24, 2011
Amended claims with annotations
Search/Exam
Jun 24, 2011
Jun 22, 2011
Claims
Search/Exam
Jun 22, 2011
Apr 29, 2011
Apr 21, 2011
Dec 16, 2010
Annex to the communication
Search/Exam
Dec 16, 2010
Communication from the Examining Division
Search/Exam
May 27, 2010
Aug 18, 2008
Aug 7, 2008
Aug 6, 2008
Jul 30, 2008
Letter which had not been notified
Search/Exam
Jun 18, 2008
Apr 29, 2008
(Electronic) Receipt
Search/Exam
Apr 29, 2008
Annex
Search/Exam
Apr 29, 2008
Request for entry into the European phase
Search/Exam
Apr 16, 2008
Apr 11, 2008
Information on entry into European phase
Search/Exam
Jan 31, 2008
Jan 19, 2008
Jul 19, 2007
Copy of the international search report
Search/Exam
Jul 19, 2007
Copy of the international search report
Search/Exam
Jul 19, 2007
Jun 25, 2007
Jun 7, 2007
Published international application - A2
Search/Exam
Nov 23, 2006
Abstract
PCTRO
Nov 23, 2006
Claims
PCTRO
Nov 23, 2006
Description
PCTRO