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The patent EP3589420 was granted to Carlisle Fluid UK on Apr 28, 2021. The application was filed on Feb 15, 2018 under application number EP18706561A. 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 |
|---|---|---|---|
| DURR SYSTEMS | Jan 27, 2022 | V BEZOLD & PARTNER | - |
| DURR SYSTEMS | Jan 27, 2022 | V BEZOLD & PARTNER PATENTANWALTE PARTG MBB | - |
| TIMMER | Jan 24, 2022 | DR TRAGER & STRAUTMANN PAE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE10157143 |
| INTERNATIONAL-SEARCH-REPORT | US2009204245 |
| INTERNATIONAL-SEARCH-REPORT | US2015052978 |
| INTERNATIONAL-SEARCH-REPORT | US5443642 |
| INTERNATIONAL-SEARCH-REPORT | WO2016147483 |
| OPPOSITION | CN106438387 |
| OPPOSITION | DE10157143 |
| OPPOSITION | DE202016105686U |
| OPPOSITION | EP1740829 |
| OPPOSITION | EP1789202 |
| OPPOSITION | EP3312779 |
| OPPOSITION | US2005011967 |
| OPPOSITION | US2009204245 |
| OPPOSITION | US2015052978 |
| OPPOSITION | US5443642 |
| OPPOSITION | WO2014152109 |
| OPPOSITION | WO2014152117 |
| OPPOSITION | WO2016147483 |
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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(Electronic) Receipt
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Reply to appeal
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Appeal
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Notice of appeal
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OPPO
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OPPO
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OPPO
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May 12, 2021
Apr 1, 2021
Decision to grant a European patent
Search/Exam
Mar 23, 2021
(Electronic) Receipt
Search/Exam
Mar 23, 2021
French translation of claims
Search/Exam
Mar 23, 2021
German translation of the claims
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Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2021
(Electronic) Receipt
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Mar 19, 2021
Letter accompanying subsequently filed items
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Nov 20, 2020
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Intention to grant (signatures)
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Nov 20, 2020
Text intended for grant (clean copy)
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Nov 20, 2020
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Annexes in respect of a client data request
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Jul 27, 2020
Letter accompanying subsequently filed items
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Jul 27, 2020
Jul 24, 2020
(Electronic) Receipt
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Jul 24, 2020
Amended claims with annotations
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Jul 24, 2020
Amended description with annotations
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Jul 24, 2020
Claims
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Jul 24, 2020
Description
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Jul 24, 2020
Letter accompanying subsequently filed items
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Jul 24, 2020
Apr 2, 2020
Annex to the communication
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Apr 2, 2020
Communication from the Examining Division
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Mar 16, 2020
Examination started
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Dec 11, 2019
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Communication to designated inventor
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Oct 8, 2019
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(Electronic) Receipt
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Oct 1, 2019
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Amended claims with annotations
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Oct 1, 2019
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Amendments received before examination
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Oct 1, 2019
Request for entry into the European phase
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Sep 16, 2019
Jul 12, 2019
Information on entry into European phase
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Sep 26, 2018
Sep 7, 2018
Copy of the international search report
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Sep 7, 2018
Published international application - A1
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Apr 23, 2018
ISR: cited documents
PCTISA
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PCTISA
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Claims
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PCTISA
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