The patent EP3021924 was granted to Covidien LP on Mar 13, 2019. The application was originally filed on Jul 10, 2014 under application number EP14826551A. The patent is currently recorded with a legal status of "Revoked".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | Link |
|---|---|---|
| OPPOSITION | - Anonymous, "Catalog 11. Rev F", Zeus Inc, (20111109), URL: www.zeusinc.com, XP055670217 | - |
| OPPOSITION | - Anonymous, "Medical", Zeus Inc, (20111206), URL: http://www.zeusinc.com, XP055670206 | - |
| OPPOSITION | - Anonymous, "PTFE vs. ePTFE", KWO, (2019), URL: https://www.kwo-ptfe.de/de/ueber-uns/wissenswertes/ptfe-vs-eptfe, XP055669766 | - |
| OPPOSITION | - Anonymous, "PTFE", Zeus Inc, (20110106), URL: www.zeusinc.com, XP055670209 | - |
| OPPOSITION | - "Chapter 4: Fluorinated and Fluoroelastomers", BRUNO AMEDURI et al., Fluorinated Polymers - Volume 2 : Applications, RSC, (20160000), pages 80 - 87, ISBN 178262936X, XP055669775 | - |
| OPPOSITION | - "PTFE", SAMUEL E. WILSON, Vascular access - principles and practice. 5th ed., Wolters Kluwer, (20100000), page 49. 61, 116, ISBN 978-1-60547-203-4, XP055669771 | - |
| SEARCH | - Anonymous, ""Catheter Componetry"", ZEUS, URL: www.zeusinc.com/industries/medical, (20160608), XP002758526 [X] 1-10 * the whole document * | - |
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Mar 25, 2019
Feb 14, 2019
Decision to grant a European patent
Search/Exam
Jan 31, 2019
(Electronic) Receipt
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Jan 31, 2019
Filing of the translations of the claims
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Jan 31, 2019
French translation of claims
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Jan 31, 2019
German translation of the claims
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Jan 31, 2019
Letter accompanying subsequently filed items
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Oct 31, 2018
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Intention to grant (signatures)
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Oct 31, 2018
Text intended for grant (clean copy)
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Oct 31, 2018
Sep 20, 2018
Examination started
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Aug 17, 2016
(Electronic) Receipt
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Aug 17, 2016
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Amended claims with annotations
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Aug 17, 2016
Amendments received before examination
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Aug 17, 2016
Letter accompanying subsequently filed items
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Jul 28, 2016
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European search opinion
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Jul 11, 2016
Information on Search Strategy
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Jul 11, 2016
Supplementary European search report
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Apr 28, 2016
Feb 19, 2016
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Feb 19, 2016
Communication to designated inventor
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Feb 2, 2016
Jan 15, 2016
(Electronic) Receipt
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Jan 15, 2016
Annex
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Jan 15, 2016
Letter accompanying subsequently filed items
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Jan 15, 2016
Jan 12, 2016
Notification of the recording of a change
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Jan 6, 2016
(Electronic) Receipt
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Amendments received before examination
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Jan 6, 2016
Request for entry into the European phase
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Nov 27, 2015
Information on entry into European phase
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Feb 10, 2015
Jan 22, 2015
Copy of the international search report
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Jan 22, 2015
Published international application - A1
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