The patent EP3307828B1 was granted to Covestro Deutschland on Mar 18, 2020 following the initial filing on Jun 8, 2016 under the application number EP16727522A . The current legal status of the patent is 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.
The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.
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Mar 30, 2020
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 3, 2020
(Electronic) Receipt
Search/Exam
Feb 3, 2020
Filing of the translations of the claims
Search/Exam
Feb 3, 2020
French translation of claims
Search/Exam
Feb 3, 2020
German translation of the claims
Search/Exam
Feb 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Intention to grant (signatures)
Search/Exam
Oct 11, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 11, 2019
Sep 9, 2019
Examination started
Search/Exam
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2018
Priority search results
Search/Exam
Oct 4, 2018
Sep 14, 2018
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
Jul 5, 2018
Amended claims with annotations
Search/Exam
Jul 5, 2018
Amendments received before examination
Search/Exam
Jul 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2018
Communication to designated inventor
Search/Exam
Mar 21, 2018
Mar 15, 2018
Mar 12, 2018
(Electronic) Receipt
Search/Exam
Mar 12, 2018
Letter concerning the inventor
Search/Exam
Mar 7, 2018
Letter which had not been notified
Search/Exam
Mar 1, 2018
Feb 23, 2018
Letter which had not been notified
Search/Exam
Feb 21, 2018
Jan 25, 2018
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Jan 23, 2018
Communication to designated inventor
Search/Exam
Jan 23, 2018
Communication to designated inventor
Search/Exam
Jan 23, 2018
Communication to designated inventor
Search/Exam
Jan 23, 2018
Communication to designated inventor
Search/Exam
Jan 23, 2018
Communication to designated inventor
Search/Exam
Jan 18, 2018
Nov 22, 2017
(Electronic) Receipt
Search/Exam
Nov 22, 2017
Request for entry into the European phase
Search/Exam
Oct 20, 2017
Information on entry into European phase
Search/Exam
Jan 3, 2017
Dec 15, 2016
Copy of the international search report
Search/Exam
Dec 15, 2016
Published international application - A1
Search/Exam
Jul 29, 2016
Jul 29, 2016
Jul 29, 2016
Jun 15, 2016
Jun 10, 2016
Jun 8, 2016
(Electronic) Receipt
PCTRO
Jun 8, 2016
Abstract
PCTRO
Jun 8, 2016
Claims
PCTRO
Jun 8, 2016
Description
PCTRO
Jun 8, 2016
Jun 8, 2016
Jun 8, 2016
Jun 8, 2016