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The patent EP3953058 was granted to DRR Systems on May 31, 2023. The application was filed on Apr 1, 2020 under application number EP20718579A. 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 |
|---|---|---|---|
| ATLAS COPCO | Feb 27, 2024 | PATENTANWALTE BREGENZER UND REULE PARTNERSCHAFTSGESELLSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2003208888 |
| INTERNATIONAL-SEARCH-REPORT | EP2790080 |
| INTERNATIONAL-SEARCH-REPORT | EP3225315 |
| INTERNATIONAL-SEARCH-REPORT | US7967168 |
| OPPOSITION | DE102005026374 |
| OPPOSITION | EP1004361 |
| OPPOSITION | EP1155748 |
| OPPOSITION | EP2790080 |
| OPPOSITION | EP3225315 |
| OPPOSITION | JP2003208888 |
| OPPOSITION | US7967168 |
| OTHER | DE102005026374 |
| OTHER | EP1004361 |
| OTHER | EP1155748 |
| OTHER | EP2790080 |
| OTHER | EP3225315 |
| OTHER | JP2003208888 |
| OTHER | US7967168 |
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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Means of redress
OPPO
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Description
OPPO
Aug 9, 2025
Description
OPPO
Aug 9, 2025
Description
OPPO
Aug 9, 2025
Description
OPPO
Aug 9, 2025
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Jun 14, 2023
May 8, 2023
Decision to grant a European patent
Search/Exam
Mar 15, 2023
(Electronic) Receipt
Search/Exam
Mar 15, 2023
English translation of the claims
Search/Exam
Mar 15, 2023
Filing of the translations of the claims
Search/Exam
Mar 15, 2023
French translation of claims
Search/Exam
Mar 15, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Intention to grant (signatures)
Search/Exam
Feb 15, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2023
Jan 13, 2023
Jan 13, 2023
Jan 4, 2023
(Electronic) Receipt
Search/Exam
Jan 4, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2023
Observations by third parties
Search/Exam
Jan 4, 2023
Patent document filed by a Third party
Search/Exam
Oct 26, 2022
(Electronic) Receipt
Search/Exam
Oct 26, 2022
Amended claims with annotations
Search/Exam
Oct 26, 2022
Amended description with annotations
Search/Exam
Oct 26, 2022
Claims
Search/Exam
Oct 26, 2022
Description
Search/Exam
Oct 26, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2022
Sep 1, 2022
Annex to the communication
Search/Exam
Sep 1, 2022
Communication from the Examining Division
Search/Exam
Aug 29, 2022
Examination started
Search/Exam
May 12, 2022
May 12, 2022
May 6, 2022
(Electronic) Receipt
Search/Exam
May 6, 2022
Letter accompanying subsequently filed items
Search/Exam
May 6, 2022
Observations by third parties
Search/Exam
Mar 1, 2022
Document concerning representation
Search/Exam
Jan 19, 2022
Dec 21, 2021
(Electronic) Receipt
Search/Exam
Dec 21, 2021
Dec 21, 2021
Amended claims with annotations
Search/Exam
Dec 21, 2021
Dec 21, 2021
Amended description with annotations
Search/Exam
Dec 21, 2021
Amendments received before examination
Search/Exam
Dec 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2021
Dec 10, 2021
Dec 6, 2021
(Electronic) Receipt
Search/Exam
Dec 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Non-patent literature filed by a third party
Search/Exam
Dec 6, 2021
Observations by third parties
Search/Exam
Dec 6, 2021
Observations by third parties
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Dec 6, 2021
Patent document filed by a Third party
Search/Exam
Nov 16, 2021
Oct 25, 2021
Aug 6, 2021
Information regarding early processing
Search/Exam
Jul 29, 2021
(Electronic) Receipt
Search/Exam
Jul 29, 2021
Priority search results
Search/Exam
Jul 29, 2021
Request for entry into the European phase
Search/Exam
Jul 24, 2021
Jul 24, 2021
Jul 24, 2021
Notification of the recording of a change
Search/Exam
Nov 2, 2020
Oct 15, 2020
Copy of the international search report
Search/Exam
Oct 15, 2020
Copy of the international search report
Search/Exam
Oct 15, 2020
Published international application - A1
Search/Exam
Jul 21, 2020
ISR: cited documents
PCTISA
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Apr 29, 2020
Apr 28, 2020
Apr 22, 2020
Apr 3, 2020
Apr 1, 2020
(Electronic) Receipt
PCTRO
Apr 1, 2020
Abstract
PCTRO
Apr 1, 2020
Claims
PCTRO
Apr 1, 2020
Description
PCTRO
Apr 1, 2020
Apr 1, 2020
Drawings
PCTRO
Apr 1, 2020