The weekly litigation news digest is live. Subscribe now
The patent EP3106445 was granted to Heidelbergcement on Jun 16, 2021. The application was originally filed on Jun 16, 2015 under application number EP15001774A. 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 |
|---|---|---|---|
| CELITEMENT | Jun 3, 2019 | FDST PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2243754 |
| DESCRIPTION | EP2676943 |
| OPPOSITION | DE102005037771 |
| OPPOSITION | DE102009018632 |
| OPPOSITION | EP2676943 |
| OPPOSITION | EP2801557 |
| OPPOSITION | EP2801558 |
| SEARCH | EP2676943 |
| SEARCH | EP2801557 |
| SEARCH | WO2007017142 |
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
May 20, 2021
May 20, 2021
May 19, 2021
Refund of fees
Search/Exam
May 14, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 16, 2021
Feb 15, 2021
Feb 12, 2021
Refund of fees
Search/Exam
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Refund of fees
Search/Exam
Feb 4, 2021
Feb 3, 2021
Feb 2, 2021
(Electronic) Receipt
Appeal
Feb 2, 2021
Feb 2, 2021
Withdrawal of an appeal
Appeal
Jan 29, 2021
(Electronic) Receipt
Appeal
Jan 29, 2021
Jan 29, 2021
Withdrawal of an appeal
Appeal
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 12, 2021
(Electronic) Receipt
Appeal
Jan 12, 2021
Jan 12, 2021
Notice of appeal
Appeal
Dec 23, 2020
Dec 15, 2020
Dec 8, 2020
(Electronic) Receipt
Appeal
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Notice of appeal
Appeal
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Means of redress
OPPO
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Oct 2, 2020
Sep 29, 2020
Sep 29, 2020
Sep 15, 2020
Sep 15, 2020
Sep 15, 2020
Sep 15, 2020
Sep 15, 2020
Aug 3, 2020
Aug 3, 2020
Aug 3, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 15, 2020
Jul 15, 2020
Feb 25, 2020
Feb 21, 2020
Feb 21, 2020
Feb 21, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Dec 3, 2019
Nov 27, 2019
Oct 21, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Jun 24, 2019
Jun 24, 2019
Jun 12, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
Sep 17, 2018
Aug 9, 2018
Decision to grant a European patent
Search/Exam
Jul 23, 2018
(Electronic) Receipt
Search/Exam
Jul 23, 2018
English translation of the claims
Search/Exam
Jul 23, 2018
Filing of the translations of the claims
Search/Exam
Jul 23, 2018
French translation of claims
Search/Exam
Jul 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2018
Mar 22, 2018
Mar 22, 2018
Intention to grant (signatures)
Search/Exam
Mar 22, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2018
Mar 9, 2018
Mar 2, 2018
(Electronic) Receipt
Search/Exam
Mar 2, 2018
Description
Search/Exam
Mar 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2018
Nov 15, 2017
Nov 15, 2017
Nov 15, 2017
Intention to grant (signatures)
Search/Exam
Nov 15, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 15, 2017
Nov 2, 2017
Examination started
Search/Exam
Jun 2, 2017
(Electronic) Receipt
Search/Exam
Jun 2, 2017
Jun 2, 2017
Amended claims with annotations
Search/Exam
Jun 2, 2017
Amendments received before examination
Search/Exam
Jun 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2017
Written request for examination
Search/Exam
Jan 27, 2017
Jan 23, 2017
Jan 16, 2017
Jan 2, 2017
Dec 19, 2016
Submission concerning representation
Search/Exam
Nov 23, 2016
Notification of forthcoming publication
Search/Exam
Jul 19, 2016
Communication to designated inventor
Search/Exam
Jul 19, 2016
Communication to designated inventor
Search/Exam
Jul 6, 2016
Letter concerning the inventor
Search/Exam
Dec 14, 2015
Dec 14, 2015
European search opinion
Search/Exam
Dec 14, 2015
European search report
Search/Exam
Dec 14, 2015
Information on Search Strategy
Search/Exam
Nov 20, 2015
Search started
Search/Exam
Sep 8, 2015
Communication to designated inventor
Search/Exam
Sep 8, 2015
Communication to designated inventor
Search/Exam
Sep 8, 2015
Communication to designated inventor
Search/Exam
Sep 8, 2015
Communication to designated inventor
Search/Exam
Jul 3, 2015
Designation of inventor
Search/Exam
Jul 3, 2015
Letter concerning the inventor
Search/Exam
Jun 16, 2015
Abstract
Search/Exam
Jun 16, 2015
Claims
Search/Exam
Jun 16, 2015
Description
Search/Exam
Jun 16, 2015
Drawings
Search/Exam
Jun 16, 2015
Request for grant of a European patent
Search/Exam