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The patent EP3515850 was granted to Thyssenkrupp Elevator on Dec 2, 2020. The application was filed on Sep 14, 2017 under application number EP17778193A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| OTIS ELEVATOR | Sep 2, 2021 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5234079 |
| DESCRIPTION | US6425462 |
| INTERNATIONAL-SEARCH-REPORT | US2004216960 |
| OPPOSITION | US2004216960 |
| OPPOSITION | US5234079 |
| OPPOSITION | US6425462 |
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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Sep 13, 2023
Sep 12, 2023
Refund of fees
Appeal
Jul 17, 2023
Jul 17, 2023
Jul 7, 2023
Jul 6, 2023
(Electronic) Receipt
Appeal
Jul 6, 2023
Jul 6, 2023
Withdrawal of an appeal
Appeal
May 31, 2023
May 31, 2023
May 9, 2023
(Electronic) Receipt
Appeal
May 9, 2023
May 9, 2023
Notice of appeal
Appeal
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Means of redress
OPPO
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Dec 13, 2022
Oct 26, 2022
Oct 26, 2022
Oct 19, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Sep 29, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
May 24, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
Feb 1, 2022
Jan 26, 2022
Jan 26, 2022
Jan 26, 2022
Jan 26, 2022
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Sep 16, 2021
Sep 16, 2021
Sep 8, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Dec 14, 2020
Nov 5, 2020
Decision to grant a European patent
Search/Exam
Oct 21, 2020
(Electronic) Receipt
Search/Exam
Oct 21, 2020
English translation of the claims
Search/Exam
Oct 21, 2020
French translation of claims
Search/Exam
Oct 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2020
Oct 8, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Intention to grant (signatures)
Search/Exam
Jun 22, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2020
Jun 19, 2020
Jun 16, 2020
Apr 24, 2020
(Electronic) Receipt
Search/Exam
Apr 24, 2020
Amended claims with annotations
Search/Exam
Apr 24, 2020
Claims
Search/Exam
Apr 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2020
Apr 23, 2020
Apr 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2020
Apr 5, 2020
(Electronic) Receipt
Search/Exam
Apr 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2020
Annex to the communication
Search/Exam
Mar 18, 2020
Communication from the Examining Division
Search/Exam
Mar 12, 2020
Examination started
Search/Exam
Mar 5, 2020
Feb 28, 2020
Jul 3, 2019
May 8, 2019
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
Apr 12, 2019
Apr 2, 2019
(Electronic) Receipt
Search/Exam
Apr 2, 2019
Priority search results
Search/Exam
Apr 2, 2019
Request for entry into the European phase
Search/Exam
Feb 1, 2019
Information on entry into European phase
Search/Exam
Aug 29, 2018
Aug 29, 2018
Notification of the recording of a change
Search/Exam
Apr 26, 2018
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Published international application - A1
Search/Exam
Dec 12, 2017
(Electronic) Receipt
PCTRO
Dec 12, 2017
ISR: cited documents
PCTISA
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 11, 2017
Dec 11, 2017
Dec 11, 2017
Nov 30, 2017
Nov 21, 2017
Oct 17, 2017
Oct 17, 2017
Oct 17, 2017
Oct 13, 2017
Sep 14, 2017
(Electronic) Receipt
PCTRO
Sep 14, 2017
Abstract
PCTRO
Sep 14, 2017
Claims
PCTRO
Sep 14, 2017
Description
PCTRO
Sep 14, 2017
Sep 14, 2017
Drawings
PCTRO
Sep 14, 2017