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The patent EP3471805 was granted to Norton Waterford on Sep 4, 2019. The application was filed on Nov 17, 2017 under application number EP17800844A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| VECTURA | Jun 3, 2020 | CLARKE | ADMISSIBLE |
| CHIESI FARMACEUTICI | Feb 14, 2020 | PGA | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO2008070516 |
| INTERNATIONAL-SEARCH-REPORT | WO2016030521 |
| OPPOSITION | US2002000225 |
| OPPOSITION | US2005161467 |
| OPPOSITION | US2013269685 |
| OPPOSITION | US2016051776 |
| OPPOSITION | US5809997 |
| OPPOSITION | US6390088 |
| OPPOSITION | WO2008070516 |
| OPPOSITION | WO2014033229 |
| OPPOSITION | WO2015031472 |
| OPPOSITION | WO2016030521 |
| OPPOSITION | WO2016033419 |
| OPPOSITION | WO2017178865 |
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
Search/Exam
Jul 25, 2019
(Electronic) Receipt
Search/Exam
Jul 25, 2019
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Jul 25, 2019
Letter accompanying subsequently filed items
Search/Exam
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Notification of the recording of a change
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 22, 2019
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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Mar 20, 2019
Submission concerning representation
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Notification of the recording of a change
Search/Exam
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(Electronic) Receipt
Search/Exam
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Matter concerning the application
Search/Exam
Jan 16, 2019
Request for entry into the European phase
Search/Exam
Jul 3, 2018
Notification of the recording of a change
Search/Exam
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Notification of the recording of a change
Search/Exam
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Copy of the international search report
Search/Exam
May 24, 2018
Published international application - A1
Search/Exam
Feb 19, 2018
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Dec 1, 2017
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(Electronic) Receipt
PCTRO
Nov 17, 2017
Abstract
PCTRO
Nov 17, 2017
Claims
PCTRO
Nov 17, 2017
Description
PCTRO
Nov 17, 2017
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Drawings
PCTRO
Nov 17, 2017