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The patent EP2109637 was granted to Basf on Jul 25, 2018. The application was filed on Jan 9, 2008 under application number EP08701337A. 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 |
|---|---|---|---|
| HUNTSMAN | Apr 25, 2019 | HELD | ADMISSIBLE |
| PUMA | Dec 1, 2018 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003181536 |
| INTERNATIONAL-SEARCH-REPORT | WO02077083 |
| INTERNATIONAL-SEARCH-REPORT | WO2005023920 |
| INTERNATIONAL-SEARCH-REPORT | WO2006015440 |
| OPPOSITION | CA947920 |
| OPPOSITION | DE2122482 |
| OPPOSITION | DE4117861 |
| OPPOSITION | EP0029021 |
| OPPOSITION | EP1647577 |
| OPPOSITION | EP1743977 |
| OPPOSITION | US2003181536 |
| OPPOSITION | US2004138318 |
| OPPOSITION | US2006079590 |
| OPPOSITION | US3594335 |
| OPPOSITION | US3662043 |
| OPPOSITION | US3878133 |
| OPPOSITION | US4061701 |
| OPPOSITION | US4436869 |
| OPPOSITION | US4451583 |
| OPPOSITION | US5026726 |
| OPPOSITION | US5252617 |
| OPPOSITION | US5260343 |
| OPPOSITION | US5665785 |
| OPPOSITION | US5885693 |
| OPPOSITION | US6872270 |
| OPPOSITION | WO0044821 |
| OPPOSITION | WO2005066250 |
| OPPOSITION | WO2006015440 |
| OPPOSITION | WO9420568 |
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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Apr 22, 2022
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Refund of fees
Appeal
Apr 11, 2022
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Apr 4, 2022
Mar 30, 2022
Withdrawal of an appeal
Appeal
Mar 23, 2022
Mar 23, 2022
Mar 23, 2022
Mar 14, 2022
Mar 14, 2022
Mar 9, 2022
Mar 9, 2022
(Electronic) Receipt
Appeal
Mar 9, 2022
Annex
OPPO
Mar 9, 2022
Annex
OPPO
Mar 9, 2022
Mar 9, 2022
Mar 9, 2022
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Mar 7, 2022
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Feb 2, 2022
Jan 27, 2022
(Electronic) Receipt
Appeal
Jan 27, 2022
Jan 27, 2022
Reply to appeal
Appeal
Sep 27, 2021
Sep 27, 2021
Sep 20, 2021
(Electronic) Receipt
Appeal
Sep 20, 2021
Sep 20, 2021
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Sep 20, 2021
Jul 12, 2021
Advice of delivery
Appeal
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Means of redress
OPPO
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(Electronic) Receipt
Appeal
Apr 19, 2021
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Apr 7, 2021
(Electronic) Receipt
Appeal
Apr 7, 2021
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Notice of appeal
Appeal
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Authorisation
OPPO
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Authorisation
OPPO
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Oct 30, 2018
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Communication from the Legal Division
Search/Exam
Oct 30, 2018
Oct 9, 2018
Sep 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2018
Letter concerning fees and payments
Search/Exam
Sep 28, 2018
Payment of fees and costs
Search/Exam
Sep 28, 2018
Aug 6, 2018
Jun 28, 2018
Decision to grant a European patent
Search/Exam
Jun 13, 2018
(Electronic) Receipt
Search/Exam
Jun 13, 2018
English translation of the claims
Search/Exam
Jun 13, 2018
Filing of the translations of the claims
Search/Exam
Jun 13, 2018
French translation of claims
Search/Exam
Mar 6, 2018
Mar 6, 2018
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Intention to grant (signatures)
Search/Exam
Mar 6, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 6, 2018
Dec 7, 2017
(Electronic) Receipt
Search/Exam
Dec 7, 2017
Amended description with annotations
Search/Exam
Dec 7, 2017
Description
Search/Exam
Dec 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2017
Aug 4, 2017
Annex to the communication
Search/Exam
Aug 4, 2017
Communication from the Examining Division
Search/Exam
May 11, 2017
Claims
Search/Exam
May 11, 2017
May 10, 2017
Note on telephone consultation
Search/Exam
May 9, 2017
Amended claims with annotations
Search/Exam
May 9, 2017
Claims
Search/Exam
May 9, 2017
Description
Search/Exam
May 9, 2017
Mar 28, 2017
Mar 23, 2017
Cover sheet for fax transmission
Search/Exam
Mar 23, 2017
Feb 15, 2017
Feb 15, 2017
Submission concerning representation
Search/Exam
Nov 22, 2016
Annex to the communication
Search/Exam
Nov 22, 2016
Communication from the Examining Division
Search/Exam
Nov 15, 2016
Examination started
Search/Exam
Aug 30, 2016
Mar 16, 2016
Mar 10, 2016
Mar 3, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 3, 2016
Oct 2, 2009
Sep 23, 2009
Aug 27, 2009
Jul 22, 2009
Jul 22, 2009
Jul 17, 2009
(Electronic) Receipt
Search/Exam
Jul 17, 2009
Request for entry into the European phase
Search/Exam
May 28, 2009
Information on entry into European phase
Search/Exam
May 4, 2009
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Nov 19, 2008
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Nov 14, 2008
PCT demand form
PCT2
Nov 14, 2008
Nov 14, 2008
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Nov 12, 2008
Nov 12, 2008
PCT demand form
PCT2
Nov 12, 2008
Nov 12, 2008
Nov 12, 2008
Jul 24, 2008
Jul 24, 2008
Copy of the international search report
Search/Exam
Jul 24, 2008
Copy of the international search report
Search/Exam
Jul 24, 2008
Published international application - A1
Search/Exam
Apr 16, 2008
Jan 9, 2008
(Electronic) Receipt
PCTRO
Jan 9, 2008
Abstract
PCTRO
Jan 9, 2008
Claims
PCTRO
Jan 9, 2008
Description
PCTRO
Jan 9, 2008