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The patent EP1782902 was granted to Sumitomo Electric Hardmetal on Jan 3, 2018. The application was filed on Oct 24, 2006 under application number EP06255469A. 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 |
|---|---|---|---|
| ISCAR | Oct 2, 2018 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE2016193 |
| OPPOSITION | DE2336598 |
| OPPOSITION | EP0104517 |
| OPPOSITION | EP0505574 |
| OPPOSITION | EP0555192 |
| OPPOSITION | JPH088013Y |
| OPPOSITION | JPH09174324 |
| OPPOSITION | US2004013478 |
| OPPOSITION | US2004208714 |
| OPPOSITION | US2005042044 |
| OPPOSITION | US2005169716 |
| OPPOSITION | US3551978 |
| OPPOSITION | US4294565 |
| OPPOSITION | US4729697 |
| OPPOSITION | US5199827 |
| OPPOSITION | US5368418 |
| OPPOSITION | US5383750 |
| OPPOSITION | US5441370 |
| OPPOSITION | US5586843 |
| OPPOSITION | US6227772 |
| OPPOSITION | US6238146 |
| OPPOSITION | US6974772 |
| OPPOSITION | WO03022496 |
| OPPOSITION | WO03074218 |
| OPPOSITION | WO2004078395 |
| OPPOSITION | WO2005005084 |
| SEARCH | DE2805670 |
| SEARCH | EP0104517 |
| SEARCH | US2004208713 |
| SEARCH | US2006147279 |
| SEARCH | US3818562 |
| SEARCH | US4808045 |
| SEARCH | WO2005075135 |
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
OPPO
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(Electronic) Receipt
Appeal
Oct 24, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 14, 2024
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(Electronic) Receipt
Appeal
Dec 4, 2023
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Oct 30, 2023
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(Electronic) Receipt
Appeal
Apr 20, 2023
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(Electronic) Receipt
Appeal
Mar 20, 2023
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Dec 28, 2022
(Electronic) Receipt
Appeal
Dec 28, 2022
Dec 28, 2022
Dec 28, 2022
Reply to appeal
Appeal
Oct 7, 2022
Oct 3, 2022
(Electronic) Receipt
Appeal
Oct 3, 2022
Oct 3, 2022
Claims
Appeal
Oct 3, 2022
Oct 3, 2022
Aug 19, 2022
Aug 12, 2022
(Electronic) Receipt
Appeal
Aug 12, 2022
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Appeal
Aug 12, 2022
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Appeal
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Appeal
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Appeal
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Appeal
Aug 12, 2022
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Appeal
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Appeal
Aug 12, 2022
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Appeal
Aug 12, 2022
Claims
Appeal
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(Electronic) Receipt
Appeal
Jun 10, 2022
Jun 10, 2022
Notice of appeal
Appeal
Apr 19, 2022
Apr 14, 2022
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Means of redress
OPPO
Apr 14, 2022
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Oct 21, 2019
Submission concerning representation
Search/Exam
Sep 19, 2019
Sep 13, 2019
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Submission concerning representation
Search/Exam
Mar 8, 2019
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Oct 29, 2018
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Jul 3, 2018
Submission concerning representation
Search/Exam
Jan 26, 2018
Dec 7, 2017
Decision to grant a European patent
Search/Exam
Nov 23, 2017
(Electronic) Receipt
Search/Exam
Nov 23, 2017
Filing of the translations of the claims
Search/Exam
Nov 23, 2017
French translation of claims
Search/Exam
Nov 23, 2017
German translation of the claims
Search/Exam
Nov 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2017
Aug 31, 2017
(Electronic) Receipt
Search/Exam
Aug 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2017
Letter concerning the inventor
Search/Exam
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Intention to grant (signatures)
Search/Exam
Jul 24, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 24, 2017
Apr 30, 2015
(Electronic) Receipt
Search/Exam
Apr 30, 2015
Amended claims with annotations
Search/Exam
Apr 30, 2015
Claims
Search/Exam
Apr 30, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2015
Mar 16, 2015
Annex to the communication
Search/Exam
Mar 16, 2015
Communication from the Examining Division
Search/Exam
Jun 19, 2014
Examination started
Search/Exam
Dec 5, 2013
Nov 8, 2013
Nov 6, 2013
Oct 25, 2011
Final instructions (loss of partial rights)
Search/Exam
Jul 15, 2011
Jan 25, 2011
Jan 25, 2011
Amended claims with annotations
Search/Exam
Jan 25, 2011
Jan 25, 2011
Amended description with annotations
Search/Exam
Jan 25, 2011
Amendments received before examination
Search/Exam
Dec 13, 2010
Nov 5, 2010
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European search opinion
Search/Exam
Nov 5, 2010
European search report
Search/Exam
Apr 12, 2007
Notification of forthcoming publication
Search/Exam
Dec 1, 2006
Dec 1, 2006
Nov 27, 2006
Oct 24, 2006
Abstract
Search/Exam
Oct 24, 2006
Claims
Search/Exam
Oct 24, 2006
Description
Search/Exam
Oct 24, 2006
Designation of inventor
Search/Exam
Oct 24, 2006
Drawings
Search/Exam
Oct 24, 2006
Matter concerning the application
Search/Exam
Oct 24, 2006
Request for grant of a European patent
Search/Exam