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The patent EP3131928 was granted to Affimed on Apr 5, 2023. The application was filed on Apr 12, 2015 under application number EP15719420A. 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 |
|---|---|---|---|
| STRAWMAN | Aug 20, 2020 | GREAVES BREWSTER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO03025018 |
| DESCRIPTION | WO9413804 |
| INTERNATIONAL-SEARCH-REPORT | WO03025018 |
| INTERNATIONAL-SEARCH-REPORT | WO2010136172 |
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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Oct 24, 2019
Decision to grant a European patent
Search/Exam
Oct 11, 2019
(Electronic) Receipt
Search/Exam
Oct 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2019
Letter concerning the inventor
Search/Exam
Sep 3, 2019
Brief communication with time limit
Search/Exam
Aug 27, 2019
(Electronic) Receipt
Search/Exam
Aug 27, 2019
French translation of claims
Search/Exam
Aug 27, 2019
German translation of the claims
Search/Exam
Aug 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2019
Letter concerning the inventor
Search/Exam
Apr 26, 2019
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Intention to grant (signatures)
Search/Exam
Apr 26, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 26, 2019
Text intended for grant (sequence listing)
Search/Exam
Apr 26, 2019
Dec 21, 2018
(Electronic) Receipt
Search/Exam
Dec 21, 2018
Amended claims with annotations
Search/Exam
Dec 21, 2018
Claims
Search/Exam
Dec 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2018
Nov 12, 2018
Nov 6, 2018
(Electronic) Receipt
Search/Exam
Nov 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2018
Aug 27, 2018
Annex to the communication
Search/Exam
Aug 27, 2018
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Aug 1, 2018
(Electronic) Receipt
Search/Exam
Aug 1, 2018
Amended claims with annotations
Search/Exam
Aug 1, 2018
Amended description with annotations
Search/Exam
Aug 1, 2018
Claims
Search/Exam
Aug 1, 2018
Description
Search/Exam
Aug 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2018
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Annex to the communication
Search/Exam
May 23, 2018
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Apr 17, 2018
(Electronic) Receipt
Search/Exam
Apr 17, 2018
Letter concerning fees and payments
Search/Exam
Feb 28, 2018
(Electronic) Receipt
Search/Exam
Feb 28, 2018
Amended claims with annotations
Search/Exam
Feb 28, 2018
Claims
Search/Exam
Feb 28, 2018
Description
Search/Exam
Feb 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2018
Jan 5, 2018
Dec 27, 2017
(Electronic) Receipt
Search/Exam
Dec 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 27, 2017
Oct 20, 2017
Annex to the communication
Search/Exam
Oct 20, 2017
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Oct 13, 2017
Examination started
Search/Exam
May 30, 2017
(Electronic) Receipt
Search/Exam
May 30, 2017
Letter accompanying subsequently filed items
Search/Exam
May 30, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 2, 2017
Payment of fees and costs
Search/Exam
May 2, 2017
Payment of fees and costs
Search/Exam
Jan 25, 2017
Nov 30, 2016
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Communication to designated inventor
Search/Exam
Nov 25, 2016
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Nov 25, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Priority search results copy provided by EPO
Search/Exam
Nov 17, 2016
Nov 11, 2016
(Electronic) Receipt
Search/Exam
Nov 11, 2016
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Amended claims with annotations
Search/Exam
Nov 11, 2016
Request for entry into the European phase
Search/Exam
Oct 31, 2016
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Notification of the recording of a change
Search/Exam
Oct 5, 2016
Notification of the recording of a change
Search/Exam
Aug 26, 2016
Information on entry into European phase
Search/Exam
Nov 11, 2015
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Converted Sequence Listing
Search/Exam
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Published international application - A1
Search/Exam
Jul 10, 2015
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Apr 12, 2015
(Electronic) Receipt
PCTRO
Apr 12, 2015
Abstract
PCTRO
Apr 12, 2015
Claims
PCTRO
Apr 12, 2015
Description
PCTRO
Apr 12, 2015
Drawings
PCTRO
Apr 12, 2015