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The patent EP3303490 was granted to PPG Industries Ohio on Sep 11, 2019. The application was filed on May 26, 2016 under application number EP16730100A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| AKZO NOBEL | Jun 10, 2020 | AKZO NOBEL DEPARTMENT | ADMISSIBLE |
| THE SHERWIN WILLIAMS | Jun 10, 2020 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4599392 |
| DESCRIPTION | US4988781 |
| DESCRIPTION | US5938437 |
| DESCRIPTION | US8614286 |
| INTERNATIONAL-SEARCH-REPORT | EP1777241 |
| INTERNATIONAL-SEARCH-REPORT | WO2006045017 |
| INTERNATIONAL-SEARCH-REPORT | WO2015002958 |
| INTERNATIONAL-SEARCH-REPORT | WO2015002961 |
| INTERNATIONAL-SEARCH-REPORT | WO9951696 |
| OPPOSITION | EP0628613 |
| OPPOSITION | JPH0543830 |
| OPPOSITION | US2002155235 |
| OPPOSITION | US2013149453 |
| OPPOSITION | US2013289171 |
| OPPOSITION | US2013324652 |
| OPPOSITION | US4076917 |
| OPPOSITION | US4599392 |
| OPPOSITION | US5266628 |
| OPPOSITION | US5858549 |
| OPPOSITION | WO02064691 |
| OPPOSITION | WO2006045017 |
| OPPOSITION | WO2011057781 |
| OPPOSITION | WO2013191825 |
| OPPOSITION | WO2014140057 |
| OPPOSITION | WO2015002958 |
| OPPOSITION | WO2015002961 |
| OPPOSITION | WO2015006522 |
| OPPOSITION | WO9951696 |
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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Dec 17, 2024
Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Claims
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Reply to appeal
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Nov 4, 2022
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Letter accompanying subsequently filed items
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Search/Exam
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(Electronic) Receipt
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Amended claims with annotations
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Claims
Search/Exam
Jul 25, 2019
French translation of claims
Search/Exam
Jul 25, 2019
German translation of the claims
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Jul 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2019
Mar 29, 2019
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Mar 29, 2019
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Mar 29, 2019
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(Electronic) Receipt
Search/Exam
Jan 7, 2019
Amended description with annotations
Search/Exam
Jan 7, 2019
Description
Search/Exam
Jan 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2019
Sep 4, 2018
Annex to the communication
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Sep 4, 2018
Communication from the Examining Division
Search/Exam
Aug 29, 2018
Examination started
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Jun 29, 2018
(Electronic) Receipt
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Jun 29, 2018
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Amended claims with annotations
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Jun 29, 2018
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Jun 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2018
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 21, 2017
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(Electronic) Receipt
Search/Exam
Dec 7, 2017
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Amended claims with annotations
Search/Exam
Dec 7, 2017
Amendments received before examination
Search/Exam
Dec 7, 2017
Request for entry into the European phase
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Oct 13, 2017
Information on entry into European phase
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Dec 8, 2016
Copy of the international search report
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Dec 8, 2016
Published international application - A1
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Aug 5, 2016
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