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The patent EP4055520 was granted to Tomra Sorting on Jan 1, 2025. The application was filed on Nov 4, 2020 under application number EP20799709A. 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 |
|---|---|---|---|
| OPTIMUM | Oct 1, 2025 | CALLEWAERT | ADMISSIBLE |
| EVK DI KERSCHHAGGL | Sep 30, 2025 | NEUHOLD | ADMISSIBLE |
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV | Sep 30, 2025 | PFENNING | ADMISSIBLE |
| SESOTEC | Sep 16, 2025 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2018243800 |
| DESCRIPTION | US2019130560 |
| INTERNATIONAL-SEARCH-REPORT | US2019130560 |
| OPPOSITION | DE102015117241 |
| OPPOSITION | DE102015177241 |
| OPPOSITION | US2007029232 |
| OPPOSITION | US2009050540 |
| OPPOSITION | US2017100749 |
| OPPOSITION | US2018243800 |
| OPPOSITION | US2019130560 |
| OPPOSITION | US2021047132 |
| OPPOSITION | US6225620 |
| OPPOSITION | WO2006054154 |
| OPPOSITION | WO2014037290 |
| OPPOSITION | WO2018183337 |
| OPPOSITION | WO2019106641 |
| OPPOSITION | WO9638708 |
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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Oct 14, 2025
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Nov 25, 2024
(Electronic) Receipt
Search/Exam
Nov 25, 2024
French translation of claims
Search/Exam
Nov 25, 2024
German translation of the claims
Search/Exam
Nov 25, 2024
Letter accompanying subsequently filed items
Search/Exam
Aug 7, 2024
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Intention to grant (signatures)
Search/Exam
Aug 7, 2024
Text intended for grant (clean copy)
Search/Exam
Aug 7, 2024
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Examination started
Search/Exam
Dec 19, 2022
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Amended claims with annotations
Search/Exam
Dec 19, 2022
Amendments received before examination
Search/Exam
Dec 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 18, 2022
Jun 20, 2022
Jun 11, 2022
Priority search results copy provided by EPO
Search/Exam
Jun 2, 2022
(Electronic) Receipt
Search/Exam
Jun 2, 2022
Request for entry into the European phase
Search/Exam
May 10, 2022
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Information on entry into European phase
Search/Exam
Jan 28, 2022
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Notification of election of EPO
Search/Exam
Sep 25, 2021
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Written opinion
PCT2
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
May 14, 2021
Published international application - A1
Search/Exam
Jan 21, 2021
ISR: cited documents
PCTISA
Jan 21, 2021
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(Electronic) Receipt
PCTRO
Nov 4, 2020
Abstract
PCTRO
Nov 4, 2020
Claims
PCTRO
Nov 4, 2020
Description
PCTRO
Nov 4, 2020
Nov 4, 2020
Drawings
PCTRO
Nov 4, 2020
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