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The patent EP3844494 was granted to Micromass UK on Aug 30, 2023. The application was filed on Aug 30, 2019 under application number EP19763056A. 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 |
|---|---|---|---|
| THERMO FISHER SCIENTIFIC BREMEN | May 30, 2024 | BOULT WADE TENNANT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB2383963 |
| DESCRIPTION | GB2536536 |
| DESCRIPTION | US2014260509 |
| DESCRIPTION | US2016155621 |
| DESCRIPTION | US7202473 |
| DESCRIPTION | US9418824 |
| INTERNATIONAL-SEARCH-REPORT | EP0437829 |
| INTERNATIONAL-SEARCH-REPORT | JP4337678B |
| INTERNATIONAL-SEARCH-REPORT | WO0022649 |
| OPPOSITION | GB2536536 |
| OPPOSITION | US7880136 |
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
Jul 28, 2023
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(Electronic) Receipt
Search/Exam
Jul 20, 2023
Filing of the translations of the claims
Search/Exam
Jul 20, 2023
French translation of claims
Search/Exam
Jul 20, 2023
German translation of the claims
Search/Exam
Jul 20, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Mar 21, 2023
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
Oct 18, 2021
(Electronic) Receipt
Search/Exam
Oct 18, 2021
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Amended claims with annotations
Search/Exam
Oct 18, 2021
Amendments received before examination
Search/Exam
Oct 18, 2021
Letter accompanying subsequently filed items
Search/Exam
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Information regarding early processing
Search/Exam
Feb 2, 2021
(Electronic) Receipt
Search/Exam
Feb 2, 2021
Request for entry into the European phase
Search/Exam
Jan 15, 2021
Information on entry into European phase
Search/Exam
Mar 26, 2020
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Copy of the international search report
Search/Exam
Mar 5, 2020
Published international application - A1
Search/Exam
Nov 29, 2019
Annex to a communication
Search/Exam
Nov 29, 2019
ISR: cited documents
PCTISA
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ISR: cited documents
PCTISA
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Abstract
PCTISA
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Claims
PCTISA
Sep 6, 2019
Description
PCTISA
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Drawings
PCTISA
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