The weekly litigation news digest is live. Subscribe now
The patent EP2509790 was granted to Bayer on Oct 6, 2021. The application was filed on Dec 6, 2010 under application number EP10784326A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| THE DOW CHEMICAL | Jul 1, 2022 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE10150247 |
| EXAMINATION | WO2010108701 |
| INTERNATIONAL-SEARCH-REPORT | EP2148087 |
| OPPOSITION | AU2010227757 |
| OPPOSITION | DE10150247 |
| OPPOSITION | EP2148087 |
| OPPOSITION | US4902215 |
| OPPOSITION | WO2006082479 |
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
Get instant alerts for new documents
Feb 12, 2025
Feb 12, 2025
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Means of redress
OPPO
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 6, 2024
Oct 16, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Description
OPPO
Oct 13, 2024
Oct 13, 2024
Oct 8, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Aug 22, 2024
Aug 22, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Oct 16, 2023
Oct 16, 2023
Oct 16, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Sep 6, 2023
Sep 1, 2023
Sep 1, 2023
Sep 1, 2023
Sep 1, 2023
Jun 5, 2023
May 30, 2023
May 30, 2023
May 30, 2023
May 30, 2023
May 30, 2023
May 30, 2023
Feb 1, 2023
Jan 31, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Oct 6, 2022
Oct 6, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Jul 20, 2022
Jul 20, 2022
Jul 8, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Aug 26, 2021
(Electronic) Receipt
Search/Exam
Aug 26, 2021
English translation of the claims
Search/Exam
Aug 26, 2021
Filing of the translations of the claims
Search/Exam
Aug 26, 2021
French translation of claims
Search/Exam
Aug 26, 2021
Letter accompanying subsequently filed items
Search/Exam
May 11, 2021
May 11, 2021
May 11, 2021
Intention to grant (signatures)
Search/Exam
May 11, 2021
Text intended for grant (clean copy)
Search/Exam
May 11, 2021
Aug 12, 2020
Jun 29, 2020
Refund of fees
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Annexes in respect of a client data request
Search/Exam
Jun 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 19, 2020
Jun 8, 2020
(Electronic) Receipt
Search/Exam
Jun 8, 2020
Amended description with annotations
Search/Exam
Jun 8, 2020
Description
Search/Exam
Jun 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2020
Apr 7, 2020
Annex to the communication
Search/Exam
Apr 7, 2020
Communication from the Examining Division
Search/Exam
Sep 18, 2019
(Electronic) Receipt
Search/Exam
Sep 18, 2019
Amended claims with annotations
Search/Exam
Sep 18, 2019
Amended description with annotations
Search/Exam
Sep 18, 2019
Claims
Search/Exam
Sep 18, 2019
Description
Search/Exam
Sep 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2019
Jul 8, 2019
Annex to the communication
Search/Exam
Jul 8, 2019
Communication from the Examining Division
Search/Exam
Apr 23, 2018
(Electronic) Receipt
Search/Exam
Apr 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2018
Feb 19, 2018
Annex to the communication
Search/Exam
Feb 19, 2018
Communication from the Examining Division
Search/Exam
Dec 6, 2016
(Electronic) Receipt
Search/Exam
Dec 6, 2016
Amended claims with annotations
Search/Exam
Dec 6, 2016
Amended description with annotations
Search/Exam
Dec 6, 2016
Claims
Search/Exam
Dec 6, 2016
Description
Search/Exam
Dec 6, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2016
Oct 10, 2016
Submission concerning representation
Search/Exam
Jul 28, 2016
Annex to the communication
Search/Exam
Jul 28, 2016
Communication from the Examining Division
Search/Exam
Jul 21, 2016
Examination started
Search/Exam
Sep 30, 2015
Sep 30, 2015
Sep 17, 2015
Sep 11, 2015
Aug 27, 2015
Aug 17, 2015
Jun 11, 2015
Jul 16, 2013
May 24, 2013
Jan 30, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 28, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 19, 2012
Aug 9, 2012
Jun 27, 2012
Jun 18, 2012
Jun 18, 2012
Notification of the recording of a change
Search/Exam
Jun 12, 2012
Reply by International Bureau
Search/Exam
May 10, 2012
(Electronic) Receipt
Search/Exam
May 10, 2012
Request for assignment
Search/Exam
May 10, 2012
Request for entry into the European phase
Search/Exam
Apr 20, 2012
Information on entry into European phase
Search/Exam
Jul 5, 2011
Jun 16, 2011
Copy of the international search report
Search/Exam
Jun 16, 2011
Copy of the international search report
Search/Exam
Jun 16, 2011
Published international application - A1
Search/Exam
Apr 26, 2011
Apr 26, 2011
Apr 26, 2011
Jan 21, 2011
Dec 6, 2010
(Electronic) Receipt
PCTRO
Dec 6, 2010
Abstract
PCTRO
Dec 6, 2010
Claims
PCTRO
Dec 6, 2010
Description
PCTRO