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The patent EP2663326 was granted to Simpkins on Sep 29, 2021. The application was filed on Oct 14, 2011 under application number EP11855887A. 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 |
|---|---|---|---|
| FRESENIUS KABI DEUTSCHLAND | Aug 17, 2018 | FRESENIUS KABI DEUTSCHLAND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010196461 |
| INTERNATIONAL-SEARCH-REPORT | US4330557 |
| INTERNATIONAL-SEARCH-REPORT | US4895876 |
| INTERNATIONAL-SEARCH-REPORT | US4970209 |
| INTERNATIONAL-SEARCH-REPORT | US5028600 |
| INTERNATIONAL-SEARCH-REPORT | US5244925 |
| INTERNATIONAL-SEARCH-REPORT | US7261903 |
| SEARCH | US2010196461 |
| SEARCH | US4330557 |
| SEARCH | US4895876 |
| SEARCH | US7261903 |
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.
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Description
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Decision to grant a European patent
Search/Exam
Sep 7, 2017
(Electronic) Receipt
Search/Exam
Sep 7, 2017
Filing of the translations of the claims
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Sep 7, 2017
French translation of claims
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Sep 7, 2017
German translation of the claims
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Sep 7, 2017
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Nov 25, 2016
(Electronic) Receipt
Search/Exam
Nov 25, 2016
Amended claims with annotations
Search/Exam
Nov 25, 2016
Amended description with annotations
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Nov 25, 2016
Claims
Search/Exam
Nov 25, 2016
Description
Search/Exam
Nov 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2016
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(Electronic) Receipt
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Oct 6, 2016
Letter concerning fees and payments
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Sep 19, 2016
Annex to the communication
Search/Exam
Sep 19, 2016
Communication from the Examining Division
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Sep 13, 2016
Examination started
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Feb 18, 2016
Submission concerning representation
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Oct 14, 2015
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(Electronic) Receipt
Search/Exam
Sep 28, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2015
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(Electronic) Receipt
Search/Exam
Dec 19, 2014
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Amended claims with annotations
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Dec 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2014
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 25, 2014
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European search opinion
Search/Exam
Jun 6, 2014
Supplementary European search report
Search/Exam
May 28, 2014
Search started
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Oct 23, 2013
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Information on entry into European phase
Search/Exam
May 20, 2013
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
May 20, 2013
Request for entry into the European phase
Search/Exam
Aug 8, 2012
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Copy of the international search report
Search/Exam
Jul 19, 2012
Published international application - A1
Search/Exam