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The patent EP4222221 was granted to Schlenk Metallic Pigments on Dec 20, 2023. The application was filed on Oct 13, 2022 under application number EP22808974A. 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 |
|---|---|---|---|
| ECKART | Sep 20, 2024 | STRYCH | ADMISSIBLE |
| SUN CHEMICAL COLORS & EFFECTS | Sep 20, 2024 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB | ADMISSIBLE |
| PPG INDUSTRIES | Sep 19, 2024 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0708154 |
| DESCRIPTION | EP1114103 |
| DESCRIPTION | EP2318463 |
| DESCRIPTION | US2003059598 |
| DESCRIPTION | US2018258293 |
| DESCRIPTION | WO2013175339 |
| DESCRIPTION | WO2015014484 |
| DESCRIPTION | WO2015044188 |
| DESCRIPTION | WO2019063372 |
| DESCRIPTION | WO2020038684 |
| DESCRIPTION | WO2020208134 |
| INTERNATIONAL-SEARCH-REPORT | US2003059598 |
| INTERNATIONAL-SEARCH-REPORT | US2018258293 |
| INTERNATIONAL-SEARCH-REPORT | WO2019063372 |
| INTERNATIONAL-SEARCH-REPORT | WO2020208134 |
| OPPOSITION | DE102019209893 |
| OPPOSITION | EP2832801 |
| OPPOSITION | EP3613811 |
| OPPOSITION | EP4186950 |
| OPPOSITION | US10759941 |
| OPPOSITION | US11118062 |
| OPPOSITION | US2003059598 |
| OPPOSITION | US2016230017 |
| OPPOSITION | US2018258293 |
| OPPOSITION | US8512802 |
| OPPOSITION | WO2005042643 |
| OPPOSITION | WO2015014484 |
| OPPOSITION | WO2019063372 |
| OPPOSITION | WO2020208134 |
| OPPOSITION | WO2023031220 |
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.
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Decision to grant a European patent
Search/Exam
Oct 31, 2023
(Electronic) Receipt
Search/Exam
Oct 31, 2023
English translation of the claims
Search/Exam
Oct 31, 2023
Filing of the translations of the claims
Search/Exam
Oct 31, 2023
French translation of claims
Search/Exam
Oct 31, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2023
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Intention to grant (signatures)
Search/Exam
Aug 22, 2023
Text intended for grant (clean copy)
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Aug 22, 2023
Jul 26, 2023
(Electronic) Receipt
Search/Exam
Jul 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2023
Jul 17, 2023
Annex to the communication
Search/Exam
Jul 17, 2023
Communication from the Examining Division
Search/Exam
Jul 12, 2023
Examination started
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Jul 12, 2023
Jun 1, 2023
Copy of the international search report
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Jun 1, 2023
Copy of the international search report
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Jun 1, 2023
Published international application - A1
Search/Exam
May 16, 2023
May 10, 2023
May 9, 2023
Priority search results copy provided by EPO
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May 2, 2023
(Electronic) Receipt
Search/Exam
May 2, 2023
Request for entry into the European phase
Search/Exam
Feb 15, 2023
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ISR: cited documents
PCTISA
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(Electronic) Receipt
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Abstract
PCTRO
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Claims
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Oct 13, 2022
Description
PCTRO
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