The weekly litigation news digest is live. Subscribe now
The patent EP2439273 was granted to E R Squibb & Sons on Feb 27, 2019. The application was originally filed on May 2, 2006 under application number EP11178191A. 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 |
|---|---|---|---|
| DF MP DORRIES FRANK MOLNIA & POHLMAN PATENTANWALTE RECHTSANWALTE PARG MBB | Nov 27, 2019 | GREINER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20000644668 |
| DESCRIPTION | EP0154316 |
| DESCRIPTION | EP0338841 |
| DESCRIPTION | EP0401384 |
| DESCRIPTION | EP1176195 |
| DESCRIPTION | US2002039581 |
| DESCRIPTION | US2003153043 |
| DESCRIPTION | US2004110704 |
| DESCRIPTION | US4399216 |
| DESCRIPTION | US4439196 |
| DESCRIPTION | US4447224 |
| DESCRIPTION | US4447233 |
| DESCRIPTION | US4475196 |
| DESCRIPTION | US4486194 |
| DESCRIPTION | US4487603 |
| DESCRIPTION | US4522811 |
| DESCRIPTION | US4596556 |
| DESCRIPTION | US4634665 |
| DESCRIPTION | US4790824 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US4881175 |
| DESCRIPTION | US4941880 |
| DESCRIPTION | US4946778 |
| DESCRIPTION | US4954617 |
| DESCRIPTION | US5013653 |
| DESCRIPTION | US5064413 |
| DESCRIPTION | US5091513 |
| DESCRIPTION | US5132405 |
| DESCRIPTION | US5179017 |
| DESCRIPTION | US5223409 |
| DESCRIPTION | US5225539 |
| DESCRIPTION | US5258498 |
| DESCRIPTION | US5260203 |
| DESCRIPTION | US5312335 |
| DESCRIPTION | US5374548 |
| DESCRIPTION | US5383851 |
| DESCRIPTION | US5399163 |
| DESCRIPTION | US5399331 |
| DESCRIPTION | US5403484 |
| DESCRIPTION | US5416016 |
| DESCRIPTION | US5427908 |
| DESCRIPTION | US5455030 |
| DESCRIPTION | US5476786 |
| DESCRIPTION | US5476996 |
| DESCRIPTION | US5482858 |
| DESCRIPTION | US5530101 |
| DESCRIPTION | US5545806 |
| DESCRIPTION | US5545807 |
| DESCRIPTION | US5569825 |
| DESCRIPTION | US5571698 |
| DESCRIPTION | US5580717 |
| DESCRIPTION | US5585089 |
| DESCRIPTION | US5624821 |
| DESCRIPTION | US5625126 |
| DESCRIPTION | US5625825 |
| DESCRIPTION | US5633425 |
| DESCRIPTION | US5648260 |
| DESCRIPTION | US5661016 |
| DESCRIPTION | US5677425 |
| DESCRIPTION | US5693762 |
| DESCRIPTION | US5698767 |
| DESCRIPTION | US5714350 |
| DESCRIPTION | US5770429 |
| DESCRIPTION | US5789650 |
| DESCRIPTION | US5811097 |
| DESCRIPTION | US5814318 |
| DESCRIPTION | US5837243 |
| DESCRIPTION | US5855887 |
| DESCRIPTION | US5869046 |
| DESCRIPTION | US5874299 |
| DESCRIPTION | US5877397 |
| DESCRIPTION | US5885793 |
| DESCRIPTION | US5922845 |
| DESCRIPTION | US5939598 |
| DESCRIPTION | US5969108 |
| DESCRIPTION | US6051227 |
| DESCRIPTION | US6075181 |
| DESCRIPTION | US6114598 |
| DESCRIPTION | US6121022 |
| DESCRIPTION | US6150584 |
| DESCRIPTION | US6162963 |
| DESCRIPTION | US6165745 |
| DESCRIPTION | US6172197 |
| DESCRIPTION | US6180370 |
| DESCRIPTION | US6194551 |
| DESCRIPTION | US6207156 |
| DESCRIPTION | US6277375 |
| DESCRIPTION | US6350861 |
| DESCRIPTION | US6521404 |
| DESCRIPTION | US6544731 |
| DESCRIPTION | US6555313 |
| DESCRIPTION | US6582915 |
| DESCRIPTION | US6593081 |
| DESCRIPTION | WO0037504 |
| DESCRIPTION | WO0042072 |
| DESCRIPTION | WO0109187 |
| DESCRIPTION | WO0114424 |
| DESCRIPTION | WO02092780 |
| DESCRIPTION | WO0243478 |
| DESCRIPTION | WO03035835 |
| DESCRIPTION | WO03074679 |
| DESCRIPTION | WO8704462 |
| DESCRIPTION | WO8800052 |
| DESCRIPTION | WO8901036 |
| DESCRIPTION | WO9203918 |
| DESCRIPTION | WO9312227 |
| DESCRIPTION | WO9410332 |
| DESCRIPTION | WO9425585 |
| DESCRIPTION | WO9429351 |
| DESCRIPTION | WO9713852 |
| DESCRIPTION | WO9824884 |
| DESCRIPTION | WO9842752 |
| DESCRIPTION | WO9945962 |
| DESCRIPTION | WO9954342 |
| OPPOSITION | EP1537878 |
| OPPOSITION | WO0114424 |
| OPPOSITION | WO2004056875 |
| SEARCH | EP1537878 |
| SEARCH | WO2004004771 |
| SEARCH | WO2004056875 |
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
Jul 24, 2020
Jul 24, 2020
Jul 21, 2020
May 11, 2020
Apr 16, 2020
Apr 16, 2020
Apr 16, 2020
Apr 9, 2020
Apr 9, 2020
Apr 9, 2020
Apr 9, 2020
Apr 9, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Dec 10, 2019
Dec 10, 2019
Dec 4, 2019
Nov 28, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Filing of the translations of the claims
Search/Exam
Jan 10, 2019
French translation of claims
Search/Exam
Jan 10, 2019
German translation of the claims
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2018
Sep 5, 2018
Sep 5, 2018
Intention to grant (signatures)
Search/Exam
Sep 5, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 5, 2018
Text intended for grant (sequence listing)
Search/Exam
Sep 5, 2018
Jul 18, 2018
(Electronic) Receipt
Search/Exam
Jul 18, 2018
Amended description with annotations
Search/Exam
Jul 18, 2018
Description
Search/Exam
Jul 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2018
Apr 3, 2018
Apr 3, 2018
Apr 3, 2018
Intention to grant (signatures)
Search/Exam
Apr 3, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 3, 2018
Text intended for grant (sequence listing)
Search/Exam
Apr 3, 2018
Oct 10, 2017
(Electronic) Receipt
Search/Exam
Oct 10, 2017
Amended claims with annotations
Search/Exam
Oct 10, 2017
Amended description with annotations
Search/Exam
Oct 10, 2017
Claims
Search/Exam
Oct 10, 2017
Description
Search/Exam
Oct 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2017
Jul 19, 2017
Jul 13, 2017
(Electronic) Receipt
Search/Exam
Jul 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2017
Jun 12, 2017
Jun 7, 2017
Jun 6, 2017
Mar 31, 2017
Annex to the communication
Search/Exam
Mar 31, 2017
Communication from the Examining Division
Search/Exam
Oct 25, 2016
(Electronic) Receipt
Search/Exam
Oct 25, 2016
Amended claims with annotations
Search/Exam
Oct 25, 2016
Claims
Search/Exam
Oct 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2016
Jun 20, 2016
Annex to the communication
Search/Exam
Jun 20, 2016
Communication from the Examining Division
Search/Exam
Feb 11, 2016
(Electronic) Receipt
Search/Exam
Feb 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2016
Jan 8, 2016
Dec 30, 2015
(Electronic) Receipt
Search/Exam
Dec 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 30, 2015
Aug 27, 2015
Annex to the communication
Search/Exam
Aug 27, 2015
Communication from the Examining Division
Search/Exam
Jul 14, 2015
Jun 30, 2015
(Electronic) Receipt
Search/Exam
Jun 30, 2015
Amended claims with annotations
Search/Exam
Jun 30, 2015
Claims
Search/Exam
Jun 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2015
Jun 26, 2015
(Electronic) Receipt
Search/Exam
Jun 26, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2015
Apr 9, 2015
Mar 30, 2015
(Electronic) Receipt
Search/Exam
Mar 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2015
Jan 29, 2015
Jan 5, 2015
(Electronic) Receipt
Search/Exam
Jan 5, 2015
Annexes in respect of a client data request
Search/Exam
Jan 5, 2015
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2015
Dec 22, 2014
Annex to the communication
Search/Exam
Dec 22, 2014
Communication from the Examining Division
Search/Exam
Jul 17, 2014
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Citation filed by a third party
Search/Exam
Jul 10, 2014
Non-patent literature filed by a third party
Search/Exam
Jul 10, 2014
Observations by third parties
Search/Exam
Jul 10, 2014
Observations by third parties
Search/Exam
Jul 10, 2014
Observations by third parties
Search/Exam
Mar 28, 2014
Decision to allow further processing
Search/Exam
Mar 20, 2014
(Electronic) Receipt
Search/Exam
Mar 20, 2014
Citation for the examination procedure
Search/Exam
Mar 20, 2014
Mar 20, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2014
Mar 20, 2014
Mar 20, 2014
Mar 20, 2014
Request for further processing
Search/Exam
Mar 13, 2014
(Electronic) Receipt
Search/Exam
Mar 13, 2014
Annexes in respect of a client data request
Search/Exam
Mar 13, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2014
Jan 13, 2014
Oct 1, 2013
Sep 26, 2013
(Electronic) Receipt
Search/Exam
Sep 26, 2013
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2013
May 27, 2013
Annex to the communication
Search/Exam
May 27, 2013
Communication from the Examining Division
Search/Exam
May 6, 2013
May 6, 2013
Communication to designated inventor
Search/Exam
Apr 26, 2013
Apr 19, 2013
(Electronic) Receipt
Search/Exam
Apr 19, 2013
Designation of inventor
Search/Exam
Apr 19, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2013
Apr 3, 2013
(Electronic) Receipt
Search/Exam
Apr 3, 2013
Apr 3, 2013
Amended claims with annotations
Search/Exam
Apr 3, 2013
Amendments received before examination
Search/Exam
Apr 3, 2013
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2012
Sep 5, 2012
Sep 5, 2012
European search opinion
Search/Exam
Sep 5, 2012
European search report
Search/Exam
Jul 26, 2012
(Electronic) Receipt
Search/Exam
Jul 26, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2012
Letter concerning search matters
Search/Exam
May 16, 2012
May 16, 2012
Partial European search report
Search/Exam
May 4, 2012
May 4, 2012
Apr 27, 2012
Advice of delivery
Search/Exam
Apr 3, 2012
(Electronic) Receipt
Search/Exam
Apr 3, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2012
Letter concerning search matters
Search/Exam
Mar 14, 2012
Mar 14, 2012
Notification of forthcoming publication
Search/Exam
Mar 12, 2012
Submission concerning representation
Search/Exam
Feb 27, 2012
Feb 27, 2012
Partial European search report
Search/Exam
Aug 19, 2011
Abstract
Search/Exam
Aug 19, 2011
Aug 19, 2011
Annex
Search/Exam
Aug 19, 2011
Annex
Search/Exam
Aug 19, 2011
Claims
Search/Exam
Aug 19, 2011
Description
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Designation of inventor
Search/Exam
Aug 19, 2011
Drawings
Search/Exam
Aug 19, 2011
Letter concerning search matters
Search/Exam
Aug 19, 2011
Letter concerning search matters
Search/Exam
Aug 19, 2011
Letter concerning search matters
Search/Exam
Aug 19, 2011
Matter concerning the application
Search/Exam
Aug 19, 2011
Request for grant of a European patent
Search/Exam
Aug 19, 2011
Sequence listing
Search/Exam
Dec 4, 2006
Dec 4, 2006
Dec 4, 2006