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The patent EP2037758 was granted to Purac Biochem on Sep 19, 2018. The application was filed on Jul 12, 2007 under application number EP07787452A. 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 |
|---|---|---|---|
| JUNGBUNZLAUER LADENBURG | Jun 14, 2019 | ZELLENTIN & PARTNER MBB PATENTANWALTE | ADMISSIBLE |
| TOMERIUS | Jun 14, 2019 | LOUIS POHLAU LOHRENTZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CA2530216 |
| INTERNATIONAL-SEARCH-REPORT | DE1961922 |
| INTERNATIONAL-SEARCH-REPORT | EP0286803 |
| INTERNATIONAL-SEARCH-REPORT | GB1320953 |
| INTERNATIONAL-SEARCH-REPORT | US2004115315 |
| INTERNATIONAL-SEARCH-REPORT | US3370956 |
| INTERNATIONAL-SEARCH-REPORT | US3887700 |
| INTERNATIONAL-SEARCH-REPORT | US4278695 |
| INTERNATIONAL-SEARCH-REPORT | WO2004100678 |
| OPPOSITION | EP0076340 |
| OPPOSITION | EP0867426 |
| OPPOSITION | EP0962443 |
| OPPOSITION | GB1138730 |
| OPPOSITION | US3370956 |
| OPPOSITION | US3887700 |
| OPPOSITION | US5415870 |
| OPPOSITION | WO8800009 |
| OPPOSITION | WO8802993 |
| OPPOSITION | WO9300886 |
| SEARCH | CA2530216 |
| SEARCH | DE1961922 |
| SEARCH | EP0286803 |
| SEARCH | GB1320953 |
| SEARCH | US2004115315 |
| SEARCH | US3370956 |
| SEARCH | US3887700 |
| SEARCH | US4278695 |
| SEARCH | WO2004100678 |
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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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Oct 1, 2018
Aug 23, 2018
Decision to grant a European patent
Search/Exam
Aug 2, 2018
(Electronic) Receipt
Search/Exam
Aug 2, 2018
French translation of claims
Search/Exam
Aug 2, 2018
German translation of the claims
Search/Exam
Aug 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2018
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Intention to grant (signatures)
Search/Exam
Apr 13, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 13, 2018
Dec 14, 2017
(Electronic) Receipt
Search/Exam
Dec 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2017
Oct 6, 2017
Annex to the communication
Search/Exam
Oct 6, 2017
Communication from the Examining Division
Search/Exam
Jul 18, 2017
Letter concerning fees and payments
Search/Exam
Jul 18, 2017
Payment of fees and costs
Search/Exam
Feb 9, 2017
Oct 28, 2016
Oct 20, 2016
(Electronic) Receipt
Search/Exam
Oct 20, 2016
Oct 20, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2016
Letter concerning fees and payments
Search/Exam
Jul 15, 2016
Payment of fees and costs
Search/Exam
Jul 30, 2015
Payment of fees and costs
Search/Exam
Jul 30, 2015
Payment of fees and costs
Search/Exam
Jul 29, 2014
Payment of fees and costs
Search/Exam
Jul 29, 2014
Payment of fees and costs
Search/Exam
Apr 18, 2011
(Electronic) Receipt
Search/Exam
Apr 18, 2011
Amended claims with annotations
Search/Exam
Apr 18, 2011
Claims
Search/Exam
Apr 18, 2011
Description
Search/Exam
Apr 18, 2011
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2011
Dec 8, 2010
Annex to the communication
Search/Exam
Dec 8, 2010
Communication from the Examining Division
Search/Exam
Nov 25, 2010
(Electronic) Receipt
Search/Exam
Nov 25, 2010
Amended claims with annotations
Search/Exam
Nov 25, 2010
Claims
Search/Exam
Nov 25, 2010
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2010
Oct 7, 2010
Aug 3, 2010
Annex to the communication
Search/Exam
Aug 3, 2010
Communication from the Examining Division
Search/Exam
Mar 25, 2010
(Electronic) Receipt
Search/Exam
Mar 25, 2010
Amended claims with annotations
Search/Exam
Mar 25, 2010
Claims
Search/Exam
Mar 25, 2010
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2010
Jan 20, 2010
Jan 11, 2010
(Electronic) Receipt
Search/Exam
Jan 11, 2010
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2010
Sep 16, 2009
Annex to the communication
Search/Exam
Sep 16, 2009
Communication from the Examining Division
Search/Exam
Feb 25, 2009
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Jan 27, 2009
Dec 11, 2008
(Electronic) Receipt
Search/Exam
Dec 11, 2008
Request for entry into the European phase
Search/Exam
Nov 20, 2008
Information on entry into European phase
Search/Exam
Feb 11, 2008
Jan 17, 2008
Copy of the international search report
Search/Exam
Jan 17, 2008
Published international application - A1
Search/Exam
Jul 12, 2007
Abstract
PCTRO
Jul 12, 2007
Claims
PCTRO
Jul 12, 2007
Description
PCTRO
Jul 12, 2007