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The patent EP1942939 was granted to Medimmune on Jul 7, 2021. The application was filed on Sep 29, 2006 under application number EP06794604A. 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 |
|---|---|---|---|
| DERMIRA | Feb 28, 2019 | VENNER SHIPLEY | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | FR2685919 |
| INTERNATIONAL-SEARCH-REPORT | US2004248260 |
| INTERNATIONAL-SEARCH-REPORT | US2005158316 |
| INTERNATIONAL-SEARCH-REPORT | US5596072 |
| INTERNATIONAL-SEARCH-REPORT | WO2004001007 |
| INTERNATIONAL-SEARCH-REPORT | WO2005007699 |
| INTERNATIONAL-SEARCH-REPORT | WO2005081873 |
| OPPOSITION | CN1563090 |
| OPPOSITION | EP1614693 |
| OPPOSITION | FR2685919 |
| OPPOSITION | US2004234499 |
| OPPOSITION | US2004248260 |
| OPPOSITION | US2005158316 |
| OPPOSITION | US2006063228 |
| OPPOSITION | US5596072 |
| OPPOSITION | US5866154 |
| OPPOSITION | WO0166754 |
| OPPOSITION | WO0207850 |
| OPPOSITION | WO03010512 |
| OPPOSITION | WO2004001007 |
| OPPOSITION | WO2004076485 |
| OPPOSITION | WO2005007699 |
| OPPOSITION | WO2005062967 |
| OPPOSITION | WO2005081873 |
| OPPOSITION | WO2012049287 |
| OPPOSITION | WO9742329 |
| OPPOSITION | WO9964462 |
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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OPPO
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OPPO
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OPPO
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Search/Exam
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Apr 24, 2018
Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Mar 29, 2018
Amended claims with annotations
Search/Exam
Mar 29, 2018
Claims
Search/Exam
Mar 29, 2018
French translation of claims
Search/Exam
Mar 29, 2018
German translation of the claims
Search/Exam
Mar 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2018
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Intention to grant (signatures)
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Nov 22, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2017
Oct 26, 2017
(Electronic) Receipt
Search/Exam
Oct 26, 2017
Description
Search/Exam
Oct 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2017
Aug 21, 2017
Annex to the communication
Search/Exam
Aug 21, 2017
Communication from the Examining Division
Search/Exam
Dec 22, 2016
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(Electronic) Receipt
Search/Exam
Dec 16, 2016
Annexes in respect of a client data request
Search/Exam
Dec 16, 2016
Letter accompanying subsequently filed items
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Dec 16, 2016
Aug 22, 2016
(Electronic) Receipt
Search/Exam
Aug 22, 2016
Amended claims with annotations
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Aug 22, 2016
Claims
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Aug 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2016
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Annex to the communication
Search/Exam
May 4, 2016
Communication from the Examining Division
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 8, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2016
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(Electronic) Receipt
Search/Exam
Feb 12, 2015
Amended claims with annotations
Search/Exam
Feb 12, 2015
Claims
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Feb 12, 2015
Letter accompanying subsequently filed items
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Feb 12, 2015
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(Electronic) Receipt
Search/Exam
Nov 19, 2014
Letter accompanying subsequently filed items
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Nov 19, 2014
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Annex to the communication
Search/Exam
Aug 6, 2014
Communication from the Examining Division
Search/Exam
Apr 25, 2014
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(Electronic) Receipt
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Apr 3, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2014
Submission concerning representation
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Oct 14, 2013
Refund of fees
Search/Exam
Sep 23, 2013
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Search/Exam
Sep 24, 2012
Payment of fees and costs
Search/Exam
May 2, 2012
(Electronic) Receipt
Search/Exam
May 2, 2012
Amended claims with annotations
Search/Exam
May 2, 2012
Claims
Search/Exam
May 2, 2012
Letter accompanying subsequently filed items
Search/Exam
May 2, 2012
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Annex to the communication
Search/Exam
Dec 23, 2011
Communication from the Examining Division
Search/Exam
Sep 22, 2011
Payment of fees and costs
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May 23, 2011
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(Electronic) Receipt
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Apr 17, 2008
Request for entry into the European phase
Search/Exam
Mar 6, 2008
Notification of the recording of a change
Search/Exam
Feb 8, 2008
Information on entry into European phase
Search/Exam
Jan 14, 2008
Notification of the recording of a change
Search/Exam
Aug 2, 2007
Copy of the international search report
Search/Exam
Aug 2, 2007
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Published international application - A2
Search/Exam
Oct 17, 2006
Abstract
PCTISA
Oct 17, 2006
Claims
PCTISA
Oct 17, 2006
Description
PCTISA
Oct 17, 2006
Drawings
PCTISA
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