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The patent EP2434300 was granted to Tektronix on Apr 7, 2021. The application was filed on Sep 27, 2011 under application number EP11182920A. 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 |
|---|---|---|---|
| ROHDE & SCHWARZ | Oct 4, 2018 | SPL PATENTANWALTE PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0945731 |
| OPPOSITION | EP0973041 |
| OPPOSITION | EP2096451 |
| OPPOSITION | US2002147554 |
| OPPOSITION | US2003039319 |
| OPPOSITION | US4802098 |
| SEARCH | EP0945731 |
| SEARCH | EP0973041 |
| SEARCH | EP1669764 |
| SEARCH | EP2096451 |
| SEARCH | EP2113777 |
| SEARCH | US2002147554 |
| SEARCH | US2005261847 |
| SEARCH | US6681191 |
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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Decision to grant a European patent
Search/Exam
Nov 23, 2017
(Electronic) Receipt
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Nov 23, 2017
Filing of the translations of the claims
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Nov 23, 2017
French translation of claims
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Nov 23, 2017
German translation of the claims
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Nov 23, 2017
Letter accompanying subsequently filed items
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Jul 28, 2017
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Intention to grant (signatures)
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Jul 28, 2017
Text intended for grant (clean copy)
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Jul 28, 2017
May 26, 2017
(Electronic) Receipt
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May 26, 2017
Amended claims with annotations
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Amended description with annotations
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Claims
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May 26, 2017
Description
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May 26, 2017
Letter accompanying subsequently filed items
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Mar 24, 2017
(Electronic) Receipt
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Mar 24, 2017
Letter accompanying subsequently filed items
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Nov 30, 2016
Annex to the communication
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Nov 30, 2016
Communication from the Examining Division
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Submission concerning representation
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Sep 28, 2012
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Amendments received before examination
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Apr 2, 2012
Feb 29, 2012
Notification of forthcoming publication
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Jan 20, 2012
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European search opinion
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Jan 20, 2012
European search report
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Jan 13, 2012
Modified abstract
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Dec 28, 2011
Dec 16, 2011
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General enquiry
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Dec 5, 2011
Nov 28, 2011
Sep 27, 2011
Abstract
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Sep 27, 2011
Sep 27, 2011
Claims
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Sep 27, 2011
Description
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Sep 27, 2011
Designation of inventor
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Sep 27, 2011
Designation of inventor
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Sep 27, 2011
Drawings
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Sep 27, 2011
Request for grant of a European patent
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Sep 27, 2011
Submission concerning representation
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