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The patent EP2351797 was granted to JDS Uniphase on Feb 24, 2021. The application was filed on Dec 19, 2003 under application number EP11161479A. 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 |
|---|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Jan 31, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0341002 |
| OPPOSITION | EP0559069 |
| OPPOSITION | EP0622425 |
| OPPOSITION | EP0686675 |
| OPPOSITION | EP1239307 |
| OPPOSITION | US5648165 |
| OPPOSITION | WO0153113 |
| OPPOSITION | WO02090002 |
| OPPOSITION | WO03000801 |
| OPPOSITION | WO03059644 |
| OPPOSITION | WO9825236 |
| SEARCH | EP0341002 |
| SEARCH | EP0622425 |
| SEARCH | EP0686675 |
| SEARCH | EP1239307 |
| SEARCH | WO0210290 |
| SEARCH | WO0231058 |
| SEARCH | WO03000801 |
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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Jun 12, 2018
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Letter accompanying subsequently filed items
Search/Exam
May 29, 2018
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May 14, 2018
Apr 6, 2018
Decision to grant a European patent
Search/Exam
Mar 26, 2018
(Electronic) Receipt
Search/Exam
Mar 26, 2018
French translation of claims
Search/Exam
Mar 26, 2018
German translation of the claims
Search/Exam
Mar 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Intention to grant (signatures)
Search/Exam
Dec 13, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 13, 2017
Nov 30, 2017
Nov 24, 2017
Nov 14, 2017
(Electronic) Receipt
Search/Exam
Nov 14, 2017
Description
Search/Exam
Nov 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2017
Oct 24, 2017
Submission concerning representation
Search/Exam
Oct 16, 2017
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Oct 16, 2017
Intention to grant (signatures)
Search/Exam
Oct 16, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 16, 2017
Oct 6, 2017
Sep 19, 2017
Sep 7, 2017
Jun 26, 2017
(Electronic) Receipt
Search/Exam
Jun 26, 2017
Amended description with annotations
Search/Exam
Jun 26, 2017
Description
Search/Exam
Jun 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2017
Mar 23, 2017
Annex to the communication
Search/Exam
Mar 23, 2017
Communication from the Examining Division
Search/Exam
Feb 21, 2017
Examination started
Search/Exam
Nov 28, 2016
Nov 12, 2015
Nov 12, 2015
Oct 1, 2015
Annexes in respect of a client data request
Search/Exam
Oct 1, 2015
Annexes in respect of a client data request
Search/Exam
Oct 1, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2015
May 3, 2013
Submission concerning representation
Search/Exam
Feb 2, 2012
(Electronic) Receipt
Search/Exam
Feb 2, 2012
Feb 2, 2012
Amended claims with annotations
Search/Exam
Feb 2, 2012
Amendments received before examination
Search/Exam
Feb 2, 2012
Amendments received before examination
Search/Exam
Feb 2, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2011
Nov 22, 2011
Aug 8, 2011
Jul 13, 2011
Refund of fees
Search/Exam
Jul 6, 2011
Notification of forthcoming publication
Search/Exam
Jun 29, 2011
Jun 29, 2011
European search opinion
Search/Exam
Jun 29, 2011
European search report
Search/Exam
Apr 26, 2011
Apr 7, 2011
Abstract
Search/Exam
Apr 7, 2011
Apr 7, 2011
Claims
Search/Exam
Apr 7, 2011
Description
Search/Exam
Apr 7, 2011
Designation of inventor
Search/Exam
Apr 7, 2011
Designation of inventor
Search/Exam
Apr 7, 2011
Designation of inventor
Search/Exam
Apr 7, 2011
Designation of inventor
Search/Exam
Apr 7, 2011
Drawings
Search/Exam
Apr 7, 2011
Matter concerning the application
Search/Exam
Apr 7, 2011
Request for grant of a European patent
Search/Exam
Sep 15, 2004