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The patent EP3888888 was granted to Hewlett Packard on Mar 15, 2023. The application was filed on Mar 25, 2021 under application number EP21165068A. 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 |
|---|---|---|---|
| CELWISE | Dec 15, 2023 | AWA SWEDEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP3871859 |
| EXAMINATION | WO2018199993 |
| EXAMINATION | WO2019194837 |
| OPPOSITION | DE102018003447 |
| OPPOSITION | EP3871859 |
| OPPOSITION | GB2456502 |
| OPPOSITION | US2017284206 |
| OPPOSITION | US2019047216 |
| OPPOSITION | WO0116428 |
| OPPOSITION | WO2006057609 |
| OPPOSITION | WO2016101976 |
| OPPOSITION | WO2018199993 |
| OPPOSITION | WO2018237279 |
| OPPOSITION | WO2019066659 |
| SEARCH | US2017284206 |
| SEARCH | US2019047216 |
| SEARCH | WO2019066659 |
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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Mar 28, 2023
Feb 16, 2023
Decision to grant a European patent
Search/Exam
Jan 31, 2023
(Electronic) Receipt
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Jan 31, 2023
Filing of the translations of the claims
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Jan 31, 2023
French translation of claims
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Jan 31, 2023
German translation of the claims
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Jan 31, 2023
Letter accompanying subsequently filed items
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Nov 9, 2022
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Intention to grant (signatures)
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Nov 9, 2022
Text intended for grant (clean copy)
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Nov 9, 2022
Sep 28, 2022
Document concerning representation
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Aug 2, 2022
(Electronic) Receipt
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Aug 2, 2022
Amended claims with annotations
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Aug 2, 2022
Amended description with annotations
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Aug 2, 2022
Claims
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Aug 2, 2022
Description
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Aug 2, 2022
Letter accompanying subsequently filed items
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Aug 2, 2022
Jun 30, 2022
Annex to the communication
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Jun 30, 2022
Communication from the Examining Division
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May 18, 2022
(Electronic) Receipt
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May 18, 2022
Amended claims with annotations
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May 18, 2022
Amended description with annotations
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May 18, 2022
Claims
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May 18, 2022
Description
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May 18, 2022
Letter accompanying subsequently filed items
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May 18, 2022
Mar 28, 2022
Annex to the communication
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Mar 28, 2022
Communication from the Examining Division
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Feb 14, 2022
(Electronic) Receipt
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Feb 14, 2022
Amended claims with annotations
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Feb 14, 2022
Claims
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Feb 14, 2022
Letter accompanying subsequently filed items
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Feb 14, 2022
Jan 26, 2022
Annex to the communication
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Jan 26, 2022
Communication from the Examining Division
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Jan 21, 2022
Examination started
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Dec 20, 2021
(Electronic) Receipt
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Dec 20, 2021
Letter accompanying subsequently filed items
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Nov 18, 2021
(Electronic) Receipt
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Nov 18, 2021
Nov 18, 2021
Amended claims with annotations
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Nov 18, 2021
Nov 18, 2021
Amended description with annotations
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Nov 18, 2021
Amendments received before examination
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Nov 18, 2021
Letter accompanying subsequently filed items
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Oct 11, 2021
Sep 30, 2021
CDS Clean up - amended applicant details
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Sep 8, 2021
Notification of forthcoming publication
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Aug 24, 2021
Aug 24, 2021
European search opinion
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Aug 24, 2021
European search report
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Aug 24, 2021
Information on Search Strategy
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Aug 18, 2021
Modified abstract
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Aug 12, 2021
Search started
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May 19, 2021
(Electronic) Receipt
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May 19, 2021
Letter accompanying subsequently filed items
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May 19, 2021
Letter concerning the priority
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May 19, 2021
Mar 25, 2021
Abstract
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Mar 25, 2021
Mar 25, 2021
Claims
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Mar 25, 2021
Description
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Mar 25, 2021
Designation of inventor
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Mar 25, 2021
Drawings
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Mar 25, 2021
Request for grant of a European patent
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