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The patent EP3250693 was granted to The Regents OF The University OF California on Dec 20, 2023. The application was filed on Jan 29, 2016 under application number EP16744244A. 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 |
|---|---|---|---|
| JAMES POOLE | Feb 28, 2022 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2014287509 |
| INTERNATIONAL-SEARCH-REPORT | US2014357530 |
| OPPOSITION | WO2016021972 |
| SEARCH | WO2014191128 |
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.
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Decision to grant a European patent
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(Electronic) Receipt
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Nov 23, 2020
Annex
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Nov 23, 2020
Claims
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Nov 23, 2020
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Description
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Claims
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Aug 21, 2019
Description
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Aug 21, 2019
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Annex to the communication
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Apr 17, 2019
Communication from the Examining Division
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Apr 11, 2019
Examination started
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Amended claims with annotations
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Search started
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Mar 29, 2018
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Published international application - A1
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