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The patent EP2948317 was granted to JS Staedtler on Aug 13, 2025. The application was filed on Jan 8, 2014 under application number EP14701901A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| FABER CASTELL | Jun 29, 2022 | SCHLOGL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008034015 |
| DESCRIPTION | EP2313426 |
| DESCRIPTION | US5039519 |
| INTERNATIONAL-SEARCH-REPORT | EP2313462 |
| INTERNATIONAL-SEARCH-REPORT | EP2499932 |
| INTERNATIONAL-SEARCH-REPORT | US4230655 |
| OPPOSITION | DE102006058485 |
| OPPOSITION | DE102008034015 |
| OPPOSITION | DE202006015052U |
| OPPOSITION | DE20314274U |
| OPPOSITION | DE29616797U |
| OPPOSITION | DE29822619U |
| OPPOSITION | DE69200023T |
| OPPOSITION | EP0613634 |
| OPPOSITION | EP2499932 |
| OPPOSITION | US4230655 |
| OPPOSITION | WO2010006743 |
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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Refund of fees
Appeal
Apr 8, 2025
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(Electronic) Receipt
Appeal
Apr 4, 2025
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Withdrawal of an appeal
Appeal
Mar 25, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Notice of appeal
Appeal
Jan 27, 2025
Jan 13, 2025
Annexes in respect of a client data request
Search/Exam
Jan 13, 2025
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2025
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Means of redress
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Description
OPPO
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Letter concerning the inventor
Search/Exam
May 16, 2024
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Oct 12, 2021
Sep 2, 2021
Decision to grant a European patent
Search/Exam
Aug 23, 2021
English translation of the claims
Search/Exam
Aug 23, 2021
Filing of the translations of the claims
Search/Exam
Aug 23, 2021
French translation of claims
Search/Exam
Aug 23, 2021
General authorisation
Search/Exam
Aug 9, 2021
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Intention to grant (signatures)
Search/Exam
Aug 9, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 9, 2021
Feb 1, 2021
Claims
Search/Exam
Feb 1, 2021
Oct 6, 2020
Annex to the communication
Search/Exam
Oct 6, 2020
Communication from the Examining Division
Search/Exam
Jun 30, 2020
Authorisation
Search/Exam
Jun 30, 2020
Claims
Search/Exam
Jun 30, 2020
Mar 20, 2020
Annex to the communication
Search/Exam
Mar 20, 2020
Communication from the Examining Division
Search/Exam
Nov 6, 2019
Description
Search/Exam
Nov 6, 2019
Aug 1, 2019
Annex to the communication
Search/Exam
Aug 1, 2019
Communication from the Examining Division
Search/Exam
Jun 28, 2019
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Feb 27, 2019
Annex to the communication
Search/Exam
Feb 27, 2019
Communication from the Examining Division
Search/Exam
Feb 20, 2019
Examination started
Search/Exam
May 6, 2016
Priority search results
Search/Exam
May 6, 2016
Apr 26, 2016
Mar 9, 2016
Feb 29, 2016
Annexes in respect of a client data request
Search/Exam
Feb 18, 2016
Feb 13, 2016
Feb 13, 2016
Amendments received before examination
Search/Exam
Nov 4, 2015
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 11, 2015
Communication to designated inventor
Search/Exam
Sep 10, 2015
Sep 2, 2015
Letter concerning the inventor
Search/Exam
Aug 24, 2015
Deficiencies in designation of inventor
Search/Exam
Aug 11, 2015
Jun 29, 2015
General authorisation
Search/Exam
Jun 29, 2015
Payment of fees and costs
Search/Exam
Jun 29, 2015
Request for entry into the European phase
Search/Exam
Jun 29, 2015
Jun 8, 2015
Information on entry into European phase
Search/Exam
Aug 20, 2014
Jul 31, 2014
Copy of the international search report
Search/Exam
Jul 31, 2014
Copy of the international search report
Search/Exam
Jul 31, 2014
Published international application - A1
Search/Exam
Apr 7, 2014
Apr 7, 2014
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Jan 8, 2014
Abstract
PCTRO
Jan 8, 2014
Claims
PCTRO
Jan 8, 2014
Description
PCTRO
Jan 8, 2014
Drawings
PCTRO