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The patent EP3201808 was granted to Zogenix on Oct 20, 2021. The application was filed on Sep 28, 2015 under application number EP15813093A. 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 |
|---|---|---|---|
| ELKINGTON AND FIFE | Jul 13, 2022 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6045501 |
| DESCRIPTION | US6315720 |
| DESCRIPTION | US6561976 |
| DESCRIPTION | US6561977 |
| DESCRIPTION | US6755784 |
| DESCRIPTION | US6869399 |
| DESCRIPTION | US6908432 |
| DESCRIPTION | US7141018 |
| DESCRIPTION | US7668730 |
| DESCRIPTION | US7765106 |
| DESCRIPTION | US7765107 |
| DESCRIPTION | US779717 |
| DESCRIPTION | US7874984 |
| DESCRIPTION | US7895059 |
| DESCRIPTION | US7959566 |
| DESCRIPTION | US8204763 |
| DESCRIPTION | US8263650 |
| DESCRIPTION | US8315886 |
| DESCRIPTION | US8457988 |
| DESCRIPTION | US8589182 |
| DESCRIPTION | US8589188 |
| DESCRIPTION | US8626531 |
| DESCRIPTION | US8731963 |
| DESCRIPTION | WO2014177676 |
| EXAMINATION | US2008004904 |
| INTERNATIONAL-SEARCH-REPORT | EP2399513 |
| INTERNATIONAL-SEARCH-REPORT | US2002038310 |
| INTERNATIONAL-SEARCH-REPORT | US8386274 |
| INTERNATIONAL-SEARCH-REPORT | WO2010104841 |
| OPPOSITION | EP2399513 |
| OPPOSITION | US2005260610 |
| OPPOSITION | US2008004904 |
| OPPOSITION | US2014329908 |
| OPPOSITION | US8386274 |
| OPPOSITION | WO2007034476 |
| OPPOSITION | WO2007079181 |
| OPPOSITION | WO2010104841 |
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
OPPO
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Nov 3, 2021
Sep 23, 2021
Decision to grant a European patent
Search/Exam
Sep 7, 2021
(Electronic) Receipt
Search/Exam
Sep 7, 2021
Filing of the translations of the claims
Search/Exam
Sep 7, 2021
French translation of claims
Search/Exam
Sep 7, 2021
German translation of the claims
Search/Exam
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Intention to grant (signatures)
Search/Exam
Apr 29, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 29, 2021
Aug 31, 2020
(Electronic) Receipt
Search/Exam
Aug 31, 2020
Amended claims with annotations
Search/Exam
Aug 31, 2020
Amended description with annotations
Search/Exam
Aug 31, 2020
Claims
Search/Exam
Aug 31, 2020
Description
Search/Exam
Aug 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2020
Jun 26, 2020
Annex to the communication
Search/Exam
Jun 26, 2020
Jun 26, 2020
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Amended claims with annotations
Search/Exam
Nov 7, 2019
Amended claims with annotations
Search/Exam
Nov 7, 2019
Claims
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2019
Jul 22, 2019
(Electronic) Receipt
Search/Exam
Jul 22, 2019
Matter concerning the application
Search/Exam
Jun 27, 2019
Annex to the communication
Search/Exam
Jun 27, 2019
Communication from the Examining Division
Search/Exam
Jun 13, 2019
Examination started
Search/Exam
Jun 4, 2019
Jun 3, 2019
May 27, 2019
(Electronic) Receipt
Search/Exam
May 27, 2019
Letter accompanying subsequently filed items
Search/Exam
May 27, 2019
Mar 14, 2019
Mar 1, 2019
(Electronic) Receipt
Search/Exam
Mar 1, 2019
Enquiry as to the processing of the file
Search/Exam
Mar 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2017
(Electronic) Receipt
Search/Exam
Nov 10, 2017
Nov 10, 2017
Amended claims with annotations
Search/Exam
Nov 10, 2017
Amendments received before examination
Search/Exam
Nov 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2017
May 9, 2017
May 4, 2017
Communication to designated inventor
Search/Exam
May 4, 2017
Communication to designated inventor
Search/Exam
Apr 18, 2017
Apr 4, 2017
Apr 4, 2017
Apr 4, 2017
Notification of the recording of a change
Search/Exam
Apr 4, 2017
Notification of the recording of a change
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Request for entry into the European phase
Search/Exam
Mar 30, 2017
Submission concerning representation
Search/Exam
Feb 15, 2017
Feb 15, 2017
Notification of the recording of a change
Search/Exam
Feb 10, 2017
Information on entry into European phase
Search/Exam
Apr 28, 2016
Apr 7, 2016
Copy of the international search report
Search/Exam
Apr 7, 2016
Published international application - A1
Search/Exam
Mar 11, 2016
ISR: cited documents
PCTISA
Mar 10, 2016
Mar 10, 2016
Mar 10, 2016
Feb 11, 2016
Jan 15, 2016
Jan 8, 2016
Dec 18, 2015
Abstract
PCTISA
Dec 18, 2015
Claims
PCTISA
Dec 18, 2015
Description
PCTISA
Dec 18, 2015
Drawings
PCTISA
Dec 18, 2015