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The patent EP3120136 was granted to Entegris on Apr 29, 2020. The application was filed on Mar 19, 2015 under application number EP15715553A. 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 |
|---|---|---|---|
| ENDRESSHAUSER GROUP SERVICES DEUTSCHLAND AGCO | Jan 29, 2021 | REHN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2003004635 |
| INTERNATIONAL-SEARCH-REPORT | US2008085217 |
| INTERNATIONAL-SEARCH-REPORT | WO2012078327 |
| OPPOSITION | ES2279692 |
| OPPOSITION | WO2008045743 |
| OPPOSITION | WO2015066416 |
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 19, 2023
CDS Clean up - amended applicant details
Search/Exam
Aug 17, 2023
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Means of redress
OPPO
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May 11, 2020
Apr 2, 2020
Decision to grant a European patent
Search/Exam
Mar 9, 2020
(Electronic) Receipt
Search/Exam
Mar 9, 2020
Filing of the translations of the claims
Search/Exam
Mar 9, 2020
French translation of claims
Search/Exam
Mar 9, 2020
German translation of the claims
Search/Exam
Mar 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2019
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Nov 14, 2019
Intention to grant (signatures)
Search/Exam
Nov 14, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 14, 2019
Oct 21, 2019
Examination started
Search/Exam
Jun 5, 2018
May 31, 2018
Apr 24, 2018
Apr 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2018
Mar 23, 2018
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Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Annexes in respect of a client data request
Search/Exam
Mar 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2018
May 8, 2017
May 5, 2017
(Electronic) Receipt
Search/Exam
May 5, 2017
May 5, 2017
Amended claims with annotations
Search/Exam
May 5, 2017
May 5, 2017
Amended description with annotations
Search/Exam
May 5, 2017
Amendments received before examination
Search/Exam
May 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2017
Oct 27, 2016
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 6, 2016
Aug 2, 2016
(Electronic) Receipt
Search/Exam
Aug 2, 2016
Request for entry into the European phase
Search/Exam
Jul 29, 2016
Information on entry into European phase
Search/Exam
Apr 5, 2016
Apr 5, 2016
Notification of the recording of a change
Search/Exam
Oct 13, 2015
Sep 24, 2015
Copy of the international search report
Search/Exam
Sep 24, 2015
Published international application - A1
Search/Exam
Jun 8, 2015
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Mar 30, 2015
Abstract
PCTISA
Mar 30, 2015
Annex
PCTISA
Mar 30, 2015
Claims
PCTISA
Mar 30, 2015
Description
PCTISA
Mar 30, 2015
Drawings
PCTISA