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The patent EP3292263 was granted to Gustomsc on Jun 7, 2023. The application was filed on May 4, 2016 under application number EP16742011A. 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 |
|---|---|---|---|
| FORUM ENERGY | Mar 7, 2024 | LINCOLN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2243922 |
| INTERNATIONAL-SEARCH-REPORT | US2005092497 |
| INTERNATIONAL-SEARCH-REPORT | US2008044234 |
| INTERNATIONAL-SEARCH-REPORT | US4401398 |
| INTERNATIONAL-SEARCH-REPORT | US5248003 |
| OPPOSITION | EP0129968 |
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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Means of redress
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Decision to grant a European patent
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Jan 24, 2023
(Electronic) Receipt
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Jan 24, 2023
Filing of the translations of the claims
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Jan 24, 2023
French translation of claims
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Jan 24, 2023
German translation of the claims
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Jan 24, 2023
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Intention to grant (signatures)
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Sep 23, 2022
Text intended for grant (clean copy)
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Sep 23, 2022
Aug 29, 2022
Annex to the communication
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Aug 29, 2022
Consultation by telephone/in person
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Aug 29, 2022
Aug 10, 2022
Jul 15, 2022
(Electronic) Receipt
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Jul 15, 2022
(Electronic) Receipt
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Jul 15, 2022
Amended claims with annotations
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Jul 15, 2022
Amended claims with annotations
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Jul 15, 2022
Amended claims with annotations
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Amended claims with annotations
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Amended claims with annotations
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Amended description with annotations
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Amended description with annotations
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Amended description with annotations
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Jul 15, 2022
Claims
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Jul 15, 2022
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Description
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Description
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Description
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Jul 15, 2022
Letter accompanying subsequently filed items
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Jul 15, 2022
Letter accompanying subsequently filed items
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Jul 15, 2022
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Oral proceedings: reply to date proposed
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Jul 15, 2022
Dec 8, 2021
Dec 3, 2021
Annex to the communication
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Dec 3, 2021
Summons to attend oral proceedings
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Dec 1, 2021
(Electronic) Receipt
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Dec 1, 2021
Annexes in respect of a client data request
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Dec 1, 2021
Annexes in respect of a client data request
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Dec 1, 2021
Letter accompanying subsequently filed items
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Dec 1, 2021
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Intention to grant (signatures)
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Oct 21, 2021
Text intended for grant (clean copy)
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Oct 21, 2021
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(Electronic) Receipt
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Oct 19, 2021
Letter accompanying subsequently filed items
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Oct 19, 2021
Non-patent literature filed by a third party
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Oct 19, 2021
Non-patent literature filed by a third party
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Oct 19, 2021
Observations by third parties
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Aug 27, 2021
(Electronic) Receipt
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Aug 27, 2021
Letter accompanying subsequently filed items
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Aug 27, 2021
Jul 16, 2021
(Electronic) Receipt
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Jul 16, 2021
Amended description with annotations
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Jul 16, 2021
Amended description with annotations
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Jul 16, 2021
Description
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Jul 16, 2021
Description
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Jul 16, 2021
Letter accompanying subsequently filed items
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Jul 16, 2021
Mar 31, 2021
Annex to the communication
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Mar 31, 2021
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Mar 10, 2021
Annex to the communication
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Mar 10, 2021
Consultation by telephone/in person
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Mar 10, 2021
Jul 15, 2020
(Electronic) Receipt
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Jul 15, 2020
Amended claims with annotations
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Jul 15, 2020
Amended claims with annotations
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Jul 15, 2020
Claims
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Jul 15, 2020
Claims
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Jul 15, 2020
Letter accompanying subsequently filed items
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Jul 15, 2020
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(Electronic) Receipt
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May 22, 2020
Letter accompanying subsequently filed items
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May 22, 2020
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Annex to the communication
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Jan 21, 2020
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Jul 29, 2019
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(Electronic) Receipt
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Jul 5, 2019
Enquiry as to the processing of the file
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Jul 5, 2019
Letter accompanying subsequently filed items
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Dec 28, 2018
(Electronic) Receipt
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Dec 28, 2018
Amended claims with annotations
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Dec 28, 2018
Amended description with annotations
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Dec 28, 2018
Claims
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Dec 28, 2018
Description
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Dec 28, 2018
Letter accompanying subsequently filed items
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Dec 28, 2018
Aug 30, 2018
Annex to the communication
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Aug 30, 2018
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Jun 25, 2018
(Electronic) Receipt
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Jun 25, 2018
Jun 25, 2018
Amended claims with annotations
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Jun 25, 2018
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Amended description with annotations
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Jun 25, 2018
Amendments received before examination
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Jun 25, 2018
Letter accompanying subsequently filed items
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Feb 14, 2018
Dec 20, 2017
Dec 13, 2017
Priority search results copy provided by EPO
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Dec 13, 2017
Priority search results copy provided by EPO
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Dec 8, 2017
Communication to designated inventor
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Communication to designated inventor
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Dec 8, 2017
Communication to designated inventor
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Dec 8, 2017
Communication to designated inventor
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Nov 27, 2017
(Electronic) Receipt
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Nov 27, 2017
Request for entry into the European phase
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Nov 20, 2017
Sep 15, 2017
Information on entry into European phase
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Mar 16, 2017
Copy of the international search report
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Mar 16, 2017
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ISR: cited documents
PCTISA
Jan 12, 2017
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Nov 28, 2016
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Nov 24, 2016
(Electronic) Receipt
PCTISA
Nov 24, 2016
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Nov 10, 2016
Published international application - A2
Search/Exam
Nov 7, 2016
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Jul 26, 2016
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May 4, 2016
Abstract
PCTISA
May 4, 2016
Claims
PCTISA
May 4, 2016
Description
PCTISA
May 4, 2016
Drawings
PCTISA