The weekly litigation news digest is live. Subscribe now
The patent EP3526354 was granted to Innovative Products on May 1, 2024. The application was filed on Oct 6, 2017 under application number EP17860092A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| BERKENHOFF | Feb 3, 2025 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2016039027 |
| DESCRIPTION | US4341939 |
| DESCRIPTION | US4686153 |
| DESCRIPTION | US4977303 |
| DESCRIPTION | US5945010 |
| DESCRIPTION | US6781081 |
| DESCRIPTION | US7723635 |
| DESCRIPTION | US8378247 |
| DESCRIPTION | US8853587 |
| EXAMINATION | CN105312698 |
| EXAMINATION | US5762726 |
| INTERNATIONAL-SEARCH-REPORT | US2008061038 |
| INTERNATIONAL-SEARCH-REPORT | US2011290531 |
| INTERNATIONAL-SEARCH-REPORT | US2015027991 |
| INTERNATIONAL-SEARCH-REPORT | US4055445 |
| INTERNATIONAL-SEARCH-REPORT | US8067689 |
| OPPOSITION | EP2193867 |
| SEARCH | CN101537519 |
| SEARCH | TW201545828 |
| SEARCH | US2016039027 |
| SEARCH | WO2005074396 |
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
Jun 23, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Jun 16, 2025
Drawings
OPPO
Jun 16, 2025
Jun 16, 2025
Feb 18, 2025
Feb 18, 2025
Feb 6, 2025
Feb 3, 2025
Feb 3, 2025
Feb 3, 2025
Feb 3, 2025
May 15, 2024
Apr 5, 2024
Decision to grant a European patent
Search/Exam
Mar 25, 2024
(Electronic) Receipt
Search/Exam
Mar 25, 2024
Filing of the translations of the claims
Search/Exam
Mar 25, 2024
French translation of claims
Search/Exam
Mar 25, 2024
German translation of the claims
Search/Exam
Mar 25, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Intention to grant (signatures)
Search/Exam
Jan 31, 2024
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2024
Sep 28, 2023
(Electronic) Receipt
Search/Exam
Sep 28, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2023
(Electronic) Receipt
Search/Exam
Apr 14, 2023
Amended claims with annotations
Search/Exam
Apr 14, 2023
Amended description with annotations
Search/Exam
Apr 14, 2023
Claims
Search/Exam
Apr 14, 2023
Description
Search/Exam
Apr 14, 2023
Drawings
Search/Exam
Apr 14, 2023
Drawings
Search/Exam
Apr 14, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2023
Dec 8, 2022
Annex to the communication
Search/Exam
Dec 8, 2022
Communication from the Examining Division
Search/Exam
Sep 19, 2022
(Electronic) Receipt
Search/Exam
Sep 19, 2022
Letter concerning fees and payments
Search/Exam
Jan 14, 2022
(Electronic) Receipt
Search/Exam
Jan 14, 2022
Amended claims with annotations
Search/Exam
Jan 14, 2022
Claims
Search/Exam
Jan 14, 2022
Description
Search/Exam
Jan 14, 2022
Description
Search/Exam
Jan 14, 2022
Drawings
Search/Exam
Jan 14, 2022
Drawings
Search/Exam
Jan 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2022
Jan 14, 2022
Jan 14, 2022
Jan 14, 2022
Sep 27, 2021
(Electronic) Receipt
Search/Exam
Sep 27, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2021
Annex to the communication
Search/Exam
Sep 9, 2021
Communication from the Examining Division
Search/Exam
Jun 22, 2021
(Electronic) Receipt
Search/Exam
Jun 22, 2021
Amended claims with annotations
Search/Exam
Jun 22, 2021
Amended drawings with annotations
Search/Exam
Jun 22, 2021
Claims
Search/Exam
Jun 22, 2021
Drawings
Search/Exam
Jun 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Mar 3, 2021
Annex to a communication
Search/Exam
Mar 3, 2021
Annex to the communication
Search/Exam
Mar 3, 2021
Communication from the Examining Division
Search/Exam
Feb 26, 2021
Examination started
Search/Exam
Oct 6, 2020
(Electronic) Receipt
Search/Exam
Oct 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2020
(Electronic) Receipt
Search/Exam
Sep 29, 2020
Sep 29, 2020
Amended claims with annotations
Search/Exam
Sep 29, 2020
Amendments received before examination
Search/Exam
Sep 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2020
Mar 11, 2020
Mar 11, 2020
Mar 11, 2020
European search opinion
Search/Exam
Mar 11, 2020
Information on Search Strategy
Search/Exam
Mar 11, 2020
Supplementary European search report
Search/Exam
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 16, 2020
(Electronic) Receipt
Search/Exam
Jan 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2020
Jan 9, 2020
(Electronic) Receipt
Search/Exam
Jan 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2020
Dec 4, 2019
Jul 24, 2019
May 22, 2019
May 17, 2019
Communication to designated inventor
Search/Exam
May 10, 2019
May 8, 2019
(Electronic) Receipt
Search/Exam
May 8, 2019
May 8, 2019
Request for entry into the European phase
Search/Exam
Feb 22, 2019
Information on entry into European phase
Search/Exam
May 7, 2018
Apr 19, 2018
Copy of the international search report
Search/Exam
Apr 19, 2018
Published international application - A1
Search/Exam