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The patent EP2501822 was granted to E R Squibb & Sons on Aug 16, 2017. The application was filed on Nov 17, 2010 under application number EP10782133A. 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 |
|---|---|---|---|
| PFIZER | May 15, 2018 | PFIZER | ADMISSIBLE |
| SARTORIUS STEDIM BIOTECH | May 14, 2018 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4399216 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5225539 |
| DESCRIPTION | US5403484 |
| DESCRIPTION | US5427908 |
| DESCRIPTION | US5476996 |
| DESCRIPTION | US5530101 |
| DESCRIPTION | US5545806 |
| DESCRIPTION | US5545807 |
| DESCRIPTION | US5569825 |
| DESCRIPTION | US5571698 |
| DESCRIPTION | US5580717 |
| DESCRIPTION | US5585089 |
| DESCRIPTION | US5625126 |
| DESCRIPTION | US5633425 |
| DESCRIPTION | US5661016 |
| DESCRIPTION | US5693762 |
| DESCRIPTION | US5698767 |
| DESCRIPTION | US5721121 |
| DESCRIPTION | US5770429 |
| DESCRIPTION | US5789650 |
| DESCRIPTION | US5814318 |
| DESCRIPTION | US5874299 |
| DESCRIPTION | US5877397 |
| DESCRIPTION | US5885793 |
| DESCRIPTION | US5939598 |
| DESCRIPTION | US5969108 |
| DESCRIPTION | US6075181 |
| DESCRIPTION | US6114598 |
| DESCRIPTION | US6150584 |
| DESCRIPTION | US6162963 |
| DESCRIPTION | US6172197 |
| DESCRIPTION | US6180370 |
| DESCRIPTION | US6521404 |
| DESCRIPTION | US6544731 |
| DESCRIPTION | US6555313 |
| DESCRIPTION | US6582915 |
| DESCRIPTION | US6593081 |
| DESCRIPTION | WO0114424 |
| DESCRIPTION | WO0243478 |
| DESCRIPTION | WO2009023562 |
| DESCRIPTION | WO9203918 |
| DESCRIPTION | WO9308207 |
| DESCRIPTION | WO9312227 |
| DESCRIPTION | WO9425585 |
| DESCRIPTION | WO9640918 |
| DESCRIPTION | WO9713852 |
| DESCRIPTION | WO9824884 |
| DESCRIPTION | WO9945962 |
| INTERNATIONAL-SEARCH-REPORT | WO2009023562 |
| OPPOSITION | US2003087372 |
| OPPOSITION | US2008131934 |
| OPPOSITION | US2008206819 |
| OPPOSITION | US2009042253 |
| OPPOSITION | US2009081251 |
| OPPOSITION | US5705364 |
| OPPOSITION | WO2005095578 |
| OPPOSITION | WO2009023562 |
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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Feb 16, 2024
Refund of fees
Search/Exam
Jan 26, 2024
Jan 26, 2024
Jan 23, 2024
(Electronic) Receipt
Appeal
Jan 23, 2024
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Appeal
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Appeal
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Appeal
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Appeal
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Aug 18, 2023
General enquiry
Appeal
Aug 18, 2023
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(Electronic) Receipt
Appeal
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Mar 15, 2022
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Oct 1, 2021
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Jan 19, 2021
Dec 29, 2020
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Appeal
Dec 29, 2020
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Reply to appeal
Appeal
Nov 13, 2020
(Electronic) Receipt
Appeal
Nov 13, 2020
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Reply to appeal
Appeal
Jul 8, 2020
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Jul 2, 2020
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(Electronic) Receipt
Appeal
May 5, 2020
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Notice of appeal
Appeal
May 5, 2020
Notice of appeal
Appeal
Apr 30, 2020
Apr 23, 2020
(Electronic) Receipt
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Apr 23, 2020
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Notice of appeal
Appeal
Apr 23, 2020
Notice of appeal
Appeal
Apr 8, 2020
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(Electronic) Receipt
Appeal
Apr 3, 2020
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Notice of appeal
Appeal
Apr 1, 2020
Mar 19, 2020
Document concerning representation
Search/Exam
Feb 28, 2020
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Means of redress
OPPO
Feb 25, 2020
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Oct 26, 2018
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Claims
OPPO
Oct 18, 2018
Claims
OPPO
Oct 18, 2018
Claims
OPPO
Oct 18, 2018
Claims
OPPO
Oct 18, 2018
Claims
OPPO
Oct 18, 2018
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OPPO
Oct 18, 2018
Claims
OPPO
Oct 18, 2018
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Jun 8, 2018
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Aug 17, 2017
Jul 20, 2017
Decision to grant a European patent
Search/Exam
Jul 7, 2017
(Electronic) Receipt
Search/Exam
Jul 7, 2017
Filing of the translations of the claims
Search/Exam
Jul 7, 2017
French translation of claims
Search/Exam
Jul 7, 2017
German translation of the claims
Search/Exam
Jul 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017
Intention to grant (signatures)
Search/Exam
Apr 24, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 24, 2017
Apr 11, 2017
Apr 5, 2017
Apr 3, 2017
(Electronic) Receipt
Search/Exam
Apr 3, 2017
Amended description with annotations
Search/Exam
Apr 3, 2017
Description
Search/Exam
Apr 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2017
Nov 21, 2016
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Nov 21, 2016
Intention to grant (signatures)
Search/Exam
Nov 21, 2016
Text intended for grant (clean copy)
Search/Exam
Nov 21, 2016
Jun 3, 2016
(Electronic) Receipt
Search/Exam
Jun 3, 2016
Amended claims with annotations
Search/Exam
Jun 3, 2016
Claims
Search/Exam
Jun 3, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2016
Feb 3, 2016
Annex to the communication
Search/Exam
Feb 3, 2016
Communication from the Examining Division
Search/Exam
Jan 25, 2016
Examination started
Search/Exam
Dec 12, 2014
Dec 5, 2014
Payment of fees and costs
Search/Exam
Dec 2, 2014
Payment of fees and costs
Search/Exam
Dec 2, 2014
May 16, 2014
Submission concerning representation
Search/Exam
Jun 26, 2013
Jun 13, 2013
Dec 21, 2012
Dec 21, 2012
Amended claims with annotations
Search/Exam
Dec 21, 2012
Amendments received before examination
Search/Exam
Sep 17, 2012
Letter concerning the inventor
Search/Exam
Aug 29, 2012
Jul 23, 2012
Letter which had not been notified
Search/Exam
Jun 26, 2012
Jun 5, 2012
May 16, 2012
(Electronic) Receipt
Search/Exam
May 16, 2012
Request for entry into the European phase
Search/Exam
May 11, 2012
Notification of the recording of a change
Search/Exam
May 11, 2012
Notification of the recording of a change
Search/Exam
Mar 30, 2012
Information on entry into European phase
Search/Exam
Jul 21, 2011
Copy of the international search report
Search/Exam
Jul 21, 2011
Jun 15, 2011
Jun 6, 2011
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May 26, 2011
Published international application - A2
Search/Exam
Feb 14, 2011
Nov 25, 2010
Abstract
PCTISA
Nov 25, 2010
Claims
PCTISA
Nov 25, 2010
Description
PCTISA
Nov 25, 2010
Drawings
PCTISA