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The patent EP3755932 was granted to Gates on Nov 2, 2022. The application was filed on Feb 15, 2019 under application number EP19709184A. 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 |
|---|---|---|---|
| SEMPERIT HOLDING | Jul 31, 2023 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE10334673 |
| INTERNATIONAL-SEARCH-REPORT | US2009065084 |
| INTERNATIONAL-SEARCH-REPORT | US2011162749 |
| INTERNATIONAL-SEARCH-REPORT | US2017274603 |
| INTERNATIONAL-SEARCH-REPORT | US3784441 |
| OPPOSITION | DE10334673 |
| OPPOSITION | EP0148099 |
| OPPOSITION | GB769374 |
| OPPOSITION | US2005241716 |
| OPPOSITION | US2009065084 |
| OPPOSITION | US2010236655 |
| OPPOSITION | US2011162749 |
| OPPOSITION | US2017274603 |
| OPPOSITION | US2018045342 |
| OPPOSITION | US3060973 |
| OPPOSITION | US3245431 |
| OPPOSITION | US3463197 |
| OPPOSITION | US3784441 |
| OPPOSITION | US4275937 |
| OPPOSITION | US4567917 |
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
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(Electronic) Receipt
Appeal
Aug 28, 2025
Aug 28, 2025
Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 19, 2025
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Notice of appeal
Appeal
Dec 19, 2024
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Means of redress
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Nov 15, 2022
Oct 7, 2022
Decision to grant a European patent
Search/Exam
Sep 27, 2022
(Electronic) Receipt
Search/Exam
Sep 27, 2022
Filing of the translations of the claims
Search/Exam
Sep 27, 2022
French translation of claims
Search/Exam
Sep 27, 2022
German translation of the claims
Search/Exam
Sep 27, 2022
Letter accompanying subsequently filed items
Search/Exam
May 18, 2022
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Intention to grant (signatures)
Search/Exam
May 18, 2022
Text intended for grant (clean copy)
Search/Exam
May 18, 2022
Jan 18, 2022
(Electronic) Receipt
Search/Exam
Jan 18, 2022
Amended description with annotations
Search/Exam
Jan 18, 2022
Description
Search/Exam
Jan 18, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2022
Sep 13, 2021
Annex to the communication
Search/Exam
Sep 13, 2021
Communication from the Examining Division
Search/Exam
Sep 8, 2021
Examination started
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Apr 6, 2021
Amended claims with annotations
Search/Exam
Apr 6, 2021
Apr 6, 2021
Amended description with annotations
Search/Exam
Apr 6, 2021
Amendments received before examination
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2020
Sep 29, 2020
Sep 25, 2020
Communication to designated inventor
Search/Exam
Sep 25, 2020
Communication to designated inventor
Search/Exam
Sep 25, 2020
Communication to designated inventor
Search/Exam
Sep 25, 2020
Communication to designated inventor
Search/Exam
Sep 25, 2020
Communication to designated inventor
Search/Exam
Sep 3, 2020
(Electronic) Receipt
Search/Exam
Sep 3, 2020
Sep 3, 2020
Letter concerning the inventor
Search/Exam
Sep 3, 2020
Request for entry into the European phase
Search/Exam
Jun 26, 2020
Information on entry into European phase
Search/Exam
Nov 14, 2019
Nov 14, 2019
Notification of the recording of a change
Search/Exam
Sep 10, 2019
Sep 10, 2019
Aug 22, 2019
Copy of the international search report
Search/Exam
Aug 22, 2019
Published international application - A1
Search/Exam
Aug 5, 2019
Jun 21, 2019
ISR: cited documents
PCTISA
Jun 21, 2019
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Apr 22, 2019
Apr 9, 2019
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Mar 21, 2019
Mar 4, 2019
Abstract
PCTISA
Mar 4, 2019
Annex
PCTISA
Mar 4, 2019
Claims
PCTISA
Mar 4, 2019
Description
PCTISA
Mar 4, 2019
Drawings
PCTISA
Mar 4, 2019
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