The weekly litigation news digest is live. Subscribe now
The patent EP2648530 was granted to Purac Biochem on Apr 19, 2023. The application was filed on Dec 7, 2011 under application number EP11802325A. 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 |
|---|---|---|---|
| DANISCO USA | Feb 26, 2021 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1169925 |
| INTERNATIONAL-SEARCH-REPORT | EP2227965 |
| INTERNATIONAL-SEARCH-REPORT | US4794080 |
| INTERNATIONAL-SEARCH-REPORT | US5096718 |
| INTERNATIONAL-SEARCH-REPORT | US5137736 |
| INTERNATIONAL-SEARCH-REPORT | US5989612 |
| INTERNATIONAL-SEARCH-REPORT | US6132786 |
| INTERNATIONAL-SEARCH-REPORT | WO2004001022 |
| INTERNATIONAL-SEARCH-REPORT | WO9521544 |
| OPPOSITION | EP2227965 |
| OPPOSITION | US4676987 |
| OPPOSITION | US4743453 |
| OPPOSITION | US4794080 |
| OPPOSITION | US5096718 |
| OPPOSITION | US5137736 |
| OPPOSITION | US5989612 |
| OPPOSITION | US6132786 |
| OPPOSITION | US6905716 |
| OPPOSITION | WO2004001022 |
| OPPOSITION | WO2010078670 |
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
Mar 23, 2023
Mar 23, 2023
Mar 16, 2023
Mar 14, 2023
Mar 14, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 2, 2023
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Means of redress
OPPO
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Sep 27, 2022
Aug 10, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Jul 25, 2022
Jul 25, 2022
Jul 25, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 5, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jun 28, 2022
Jun 28, 2022
Jun 28, 2022
Jun 27, 2022
Jun 27, 2022
Jun 27, 2022
Jun 27, 2022
Jun 27, 2022
Jun 27, 2022
Jun 21, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
May 12, 2022
May 12, 2022
May 12, 2022
May 4, 2022
May 4, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 14, 2022
Apr 14, 2022
Dec 8, 2021
Dec 8, 2021
Dec 8, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 26, 2021
Nov 25, 2021
Nov 25, 2021
Nov 24, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Jul 16, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Mar 16, 2021
Mar 16, 2021
Mar 8, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Jun 8, 2020
May 4, 2020
Decision to grant a European patent
Search/Exam
Apr 17, 2020
(Electronic) Receipt
Search/Exam
Apr 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2020
(Electronic) Receipt
Search/Exam
Apr 14, 2020
French translation of claims
Search/Exam
Apr 14, 2020
German translation of the claims
Search/Exam
Apr 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Intention to grant (signatures)
Search/Exam
Dec 6, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 6, 2019
Jul 5, 2019
(Electronic) Receipt
Search/Exam
Jul 5, 2019
Amended claims with annotations
Search/Exam
Jul 5, 2019
Claims
Search/Exam
Jul 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2019
Mar 5, 2019
Annex to the communication
Search/Exam
Mar 5, 2019
Communication from the Examining Division
Search/Exam
Jun 20, 2017
(Electronic) Receipt
Search/Exam
Jun 20, 2017
Amended claims with annotations
Search/Exam
Jun 20, 2017
Amended description with annotations
Search/Exam
Jun 20, 2017
Claims
Search/Exam
Jun 20, 2017
Description
Search/Exam
Jun 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2017
Feb 23, 2017
Annex to the communication
Search/Exam
Feb 23, 2017
Communication from the Examining Division
Search/Exam
Dec 22, 2016
Payment of fees and costs
Search/Exam
Dec 22, 2016
Payment of fees and costs
Search/Exam
Dec 29, 2015
Letter concerning fees and payments
Search/Exam
Dec 29, 2015
Payment of fees and costs
Search/Exam
Mar 20, 2015
(Electronic) Receipt
Search/Exam
Mar 20, 2015
Amended claims with annotations
Search/Exam
Mar 20, 2015
Claims
Search/Exam
Mar 20, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2015
Jan 20, 2015
Jan 13, 2015
(Electronic) Receipt
Search/Exam
Jan 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2015
Dec 23, 2014
Payment of fees and costs
Search/Exam
Dec 23, 2014
Payment of fees and costs
Search/Exam
Sep 26, 2014
Annex to the communication
Search/Exam
Sep 26, 2014
Communication from the Examining Division
Search/Exam
Mar 21, 2014
Decision to allow further processing
Search/Exam
Mar 19, 2014
Refund of fees
Search/Exam
Mar 10, 2014
(Electronic) Receipt
Search/Exam
Mar 10, 2014
Mar 10, 2014
Amended claims with annotations
Search/Exam
Mar 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2014
Request for further processing
Search/Exam
Sep 18, 2013
Jul 24, 2013
Jul 22, 2013
Communication to designated inventor
Search/Exam
Jul 22, 2013
Communication to designated inventor
Search/Exam
Jul 17, 2013
Priority search results copy provided by EPO
Search/Exam
Jul 4, 2013
(Electronic) Receipt
Search/Exam
Jul 4, 2013
Request for entry into the European phase
Search/Exam
Jun 26, 2013
Apr 19, 2013
Information on entry into European phase
Search/Exam
Jul 3, 2012
Jun 14, 2012
Copy of the international search report
Search/Exam
Jun 14, 2012
Published international application - A1
Search/Exam
Feb 9, 2012
Feb 9, 2012
Feb 9, 2012
Dec 7, 2011
(Electronic) Receipt
PCTRO
Dec 7, 2011
Abstract
PCTRO
Dec 7, 2011
Claims
PCTRO
Dec 7, 2011
Description
PCTRO
Dec 7, 2011