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The patent EP3481838 was granted to Glaxosmithkline on Aug 19, 2020. The application was filed on Jul 7, 2017 under application number EP17739936A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| JANSSEN PHARMACEUTICA | May 19, 2021 | KILBURN & STRODE | ADMISSIBLE |
| JG OPPOSITIONS | May 19, 2021 | FORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US6004826 |
| INTERNATIONAL-SEARCH-REPORT | WO0164864 |
| INTERNATIONAL-SEARCH-REPORT | WO0171037 |
| INTERNATIONAL-SEARCH-REPORT | WO2009097673 |
| OPPOSITION | US2003008306 |
| OPPOSITION | US2003228602 |
| OPPOSITION | US5547843 |
| OPPOSITION | US5998175 |
| OPPOSITION | US6004826 |
| OPPOSITION | US8148065 |
| OPPOSITION | WO0127326 |
| OPPOSITION | WO0129211 |
| OPPOSITION | WO0164864 |
| OPPOSITION | WO0171037 |
| OPPOSITION | WO2004029223 |
| OPPOSITION | WO2009097673 |
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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(Electronic) Receipt
Appeal
Feb 27, 2025
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Appeal
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(Electronic) Receipt
Appeal
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Aug 3, 2023
(Electronic) Receipt
Appeal
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Reply to appeal
Appeal
Aug 1, 2023
Aug 1, 2023
Jul 24, 2023
(Electronic) Receipt
Appeal
Jul 24, 2023
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Reply to appeal
Appeal
Jun 20, 2023
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
Jan 16, 2023
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Notice of appeal
Appeal
Jan 12, 2023
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Jan 5, 2023
(Electronic) Receipt
Appeal
Jan 5, 2023
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Notice of appeal
Appeal
Nov 9, 2022
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Means of redress
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Aug 31, 2020
Jul 23, 2020
Decision to grant a European patent
Search/Exam
May 26, 2020
May 26, 2020
May 26, 2020
Text intended for grant (clean copy)
Search/Exam
May 26, 2020
Mar 25, 2020
(Electronic) Receipt
Search/Exam
Mar 25, 2020
Amended claims with annotations
Search/Exam
Mar 25, 2020
Claims
Search/Exam
Mar 25, 2020
French translation of claims
Search/Exam
Mar 25, 2020
German translation of the claims
Search/Exam
Mar 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2020
Dec 4, 2019
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Intention to grant (signatures)
Search/Exam
Dec 4, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 4, 2019
Oct 24, 2019
Examination started
Search/Exam
Apr 17, 2019
Feb 19, 2019
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 15, 2019
Communication to designated inventor
Search/Exam
Feb 5, 2019
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Jan 2, 2019
Information regarding early processing
Search/Exam
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Request for entry into the European phase
Search/Exam
Nov 26, 2018
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Information on entry into European phase
Search/Exam
Aug 13, 2018
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Jul 11, 2018
Written opinion
PCT2
Jul 11, 2018
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Notification of election of EPO
Search/Exam
May 30, 2018
May 18, 2018
May 9, 2018
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PCT demand form
PCT2
May 9, 2018
May 9, 2018
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Feb 22, 2018
Copy of the international search report
Search/Exam
Feb 22, 2018
Feb 5, 2018
Jan 18, 2018
Converted Sequence Listing
Search/Exam
Jan 18, 2018
Published international application - A2
Search/Exam
Jan 10, 2018
ISR: cited documents
PCTISA
Jan 9, 2018
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Sep 28, 2017
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Jul 31, 2017
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Jul 25, 2017
Jul 7, 2017
(Electronic) Receipt
PCTRO
Jul 7, 2017
Abstract
PCTRO
Jul 7, 2017
Claims
PCTRO
Jul 7, 2017
Description
PCTRO
Jul 7, 2017
Jul 7, 2017
Drawings
PCTRO
Jul 7, 2017