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The patent EP2844487 was granted to Hewlett Packard on Mar 9, 2022. The application was filed on Apr 30, 2012 under application number EP12875785A. The patent is currently recorded with a legal status of "The Patent Has Been Limited".

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 |
|---|---|---|---|
| ARTECH DESIGN PRODUCTION IN PLASTIC | May 16, 2018 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004189758 |
| INTERNATIONAL-SEARCH-REPORT | US2006125893 |
| INTERNATIONAL-SEARCH-REPORT | US6375298 |
| INTERNATIONAL-SEARCH-REPORT | WO9605061 |
| OPPOSITION | EP0940259 |
| OPPOSITION | GB2354735 |
| OPPOSITION | US2004223011 |
| OPPOSITION | US2010328405 |
| OPPOSITION | US5610635 |
| OPPOSITION | US6238038 |
| OPPOSITION | US6374354 |
| OPPOSITION | US6641254 |
| OPPOSITION | US6738903 |
| OPPOSITION | US7658470 |
| OPPOSITION | WO2013165373 |
| SEARCH | US5610635 |
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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Request for correction of client data
Search/Exam
Oct 17, 2018
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Claims
LIMP
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Decision to grant a European patent
Search/Exam
Jun 30, 2017
Filing of the translations of the claims
Search/Exam
Jun 30, 2017
French translation of claims
Search/Exam
Jun 30, 2017
German translation of the claims
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Jun 30, 2017
Payment of fees and costs
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 22, 2017
Text intended for grant (clean copy)
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Feb 22, 2017
Claims
Search/Exam
Feb 22, 2017
Description
Search/Exam
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Annex to the communication
Search/Exam
Oct 13, 2016
Communication from the Examining Division
Search/Exam
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Information on Search Strategy
Search/Exam
Sep 22, 2016
Supplementary European search report
Search/Exam
Aug 29, 2016
Search started
Search/Exam
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(Electronic) Receipt
Search/Exam
Apr 25, 2016
Letter accompanying subsequently filed items
Search/Exam
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Submission concerning representation
Search/Exam
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Submission concerning representation
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Submission concerning representation
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Nov 18, 2014
Aug 27, 2014
Information regarding early processing
Search/Exam
Jul 17, 2014
(Electronic) Receipt
Search/Exam
Jul 17, 2014
Request for entry into the European phase
Search/Exam
Jul 17, 2014
Submission concerning representation
Search/Exam
Nov 7, 2013
Copy of the international search report
Search/Exam
Nov 7, 2013
Published international application - A1
Search/Exam