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The patent EP2748256 was granted to Purac Biochem on Jun 14, 2017. The application was filed on Oct 24, 2012 under application number EP12781485A. 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 |
|---|---|---|---|
| UHDE INVENTA FISCHER | Mar 13, 2018 | PFENNING | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2116575 |
| INTERNATIONAL-SEARCH-REPORT | US2008097074 |
| OPPOSITION | JP2007131690 |
| OPPOSITION | US2008097074 |
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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Means of redress
Search/Exam
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OPPO
Apr 26, 2019
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OPPO
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OPPO
Apr 26, 2019
Claims
OPPO
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OPPO
Aug 14, 2018
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OPPO
Aug 14, 2018
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OPPO
Aug 14, 2018
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OPPO
Aug 14, 2018
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Jun 15, 2017
May 18, 2017
Decision to grant a European patent
Search/Exam
May 2, 2017
(Electronic) Receipt
Search/Exam
May 2, 2017
Filing of the translations of the claims
Search/Exam
May 2, 2017
French translation of claims
Search/Exam
May 2, 2017
German translation of the claims
Search/Exam
Jan 5, 2017
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Intention to grant (signatures)
Search/Exam
Jan 5, 2017
Text intended for grant
Search/Exam
Dec 12, 2016
Examination started
Search/Exam
Oct 27, 2016
Payment of fees and costs
Search/Exam
Oct 27, 2016
Payment of fees and costs
Search/Exam
Oct 29, 2015
Payment of fees and costs
Search/Exam
Oct 29, 2015
Payment of fees and costs
Search/Exam
Jan 5, 2015
Refund of fees
Search/Exam
Dec 23, 2014
(Electronic) Receipt
Search/Exam
Dec 23, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2014
Nov 27, 2014
Oct 29, 2014
Letter concerning fees and payments
Search/Exam
Oct 29, 2014
Payment of fees and costs
Search/Exam
Oct 10, 2014
(Electronic) Receipt
Search/Exam
Oct 10, 2014
Oct 10, 2014
Amended claims with annotations
Search/Exam
Oct 10, 2014
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Amended description with annotations
Search/Exam
Oct 10, 2014
Amendments received before examination
Search/Exam
Oct 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2014
May 28, 2014
Communication to designated inventor
Search/Exam
May 28, 2014
Communication to designated inventor
Search/Exam
May 13, 2014
Apr 16, 2014
Refund order of filing/examination fee
Search/Exam
Apr 11, 2014
Mar 31, 2014
Notification of the recording of a change
Search/Exam
Mar 27, 2014
(Electronic) Receipt
Search/Exam
Mar 27, 2014
Request for entry into the European phase
Search/Exam
Mar 10, 2014
Information on entry into European phase
Search/Exam
Feb 18, 2014
Notification of the recording of a change
Search/Exam
Dec 10, 2013
Dec 5, 2013
Copy of the international search report
Search/Exam
Dec 5, 2013
Oct 15, 2013
Oct 15, 2013
Oct 15, 2013
May 24, 2013
May 2, 2013
Published international application - A2
Search/Exam
Oct 24, 2012
Abstract
PCTISA
Oct 24, 2012
Annex
PCTISA
Oct 24, 2012
Claims
PCTISA
Oct 24, 2012
Description
PCTISA
Oct 24, 2012
Drawings
PCTISA