The weekly litigation news digest is live. Subscribe now
The patent EP4111888 was granted to Shenzhen Smoore Technology on Sep 11, 2024. The application was filed on Feb 7, 2021 under application number EP21761685A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| PHILIP MORRIS | Jun 10, 2025 | REDDIE & GROSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN105394816 |
| INTERNATIONAL-SEARCH-REPORT | CN106579564 |
| INTERNATIONAL-SEARCH-REPORT | CN109414078 |
| INTERNATIONAL-SEARCH-REPORT | CN109761640 |
| INTERNATIONAL-SEARCH-REPORT | CN109875123 |
| INTERNATIONAL-SEARCH-REPORT | CN110447959 |
| INTERNATIONAL-SEARCH-REPORT | CN111387555 |
| INTERNATIONAL-SEARCH-REPORT | CN205337599U |
| INTERNATIONAL-SEARCH-REPORT | CN209788491U |
| INTERNATIONAL-SEARCH-REPORT | GB2561959 |
| INTERNATIONAL-SEARCH-REPORT | WO2019220372 |
| OPPOSITION | CN105755434 |
| OPPOSITION | CN109414078 |
| OPPOSITION | CN110183225 |
| OPPOSITION | CN1822262 |
| OPPOSITION | US2018007741 |
| OPPOSITION | US2018153215 |
| OPPOSITION | US2021161207 |
| OPPOSITION | WO2020065077 |
| SEARCH | CN109414078 |
| SEARCH | US2017224021 |
| SEARCH | US2018007741 |
| SEARCH | US2021161207 |
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
Get instant alerts for new documents
Oct 30, 2025
Oct 29, 2025
Oct 27, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 23, 2025
(Electronic) Receipt
Search/Exam
Oct 23, 2025
Authorisation
Search/Exam
Oct 23, 2025
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2025
Jun 26, 2025
Jun 26, 2025
Jun 17, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Jun 10, 2025
Oct 7, 2024
Sep 27, 2024
(Electronic) Receipt
Search/Exam
Sep 27, 2024
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2024
Sep 24, 2024
Aug 16, 2024
Decision to grant a European patent
Search/Exam
Aug 1, 2024
(Electronic) Receipt
Search/Exam
Aug 1, 2024
Filing of the translations of the claims
Search/Exam
Aug 1, 2024
French translation of claims
Search/Exam
Aug 1, 2024
German translation of the claims
Search/Exam
Aug 1, 2024
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2024
Intention to grant (signatures)
Search/Exam
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Text intended for grant (clean copy)
Search/Exam
Jun 25, 2024
May 6, 2024
Examination started
Search/Exam
Dec 12, 2023
(Electronic) Receipt
Search/Exam
Dec 12, 2023
Dec 12, 2023
Amended claims with annotations
Search/Exam
Dec 12, 2023
Dec 12, 2023
Amended description with annotations
Search/Exam
Dec 12, 2023
Amendments received before examination
Search/Exam
Dec 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2023
Nov 21, 2023
Annexes in respect of a client data request
Search/Exam
Nov 21, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2023
Nov 21, 2023
Aug 8, 2023
Jul 20, 2023
Jul 20, 2023
Jul 20, 2023
European search opinion
Search/Exam
Jul 20, 2023
Information on Search Strategy
Search/Exam
Jul 20, 2023
Supplementary European search report
Search/Exam
Jul 11, 2023
Search started
Search/Exam
Dec 7, 2022
Notification of forthcoming publication
Search/Exam
Sep 23, 2022
(Electronic) Receipt
Search/Exam
Sep 23, 2022
Abstract
Search/Exam
Sep 23, 2022
Abstract
Search/Exam
Sep 23, 2022
Abstract
Search/Exam
Sep 23, 2022
Sep 23, 2022
Amended claims with annotations
Search/Exam
Sep 23, 2022
Sep 23, 2022
Amended description with annotations
Search/Exam
Sep 23, 2022
Claims
Search/Exam
Sep 23, 2022
Description
Search/Exam
Sep 23, 2022
Drawings
Search/Exam
Sep 23, 2022
Request for entry into the European phase
Search/Exam
Sep 13, 2022
Sep 13, 2022
Jul 8, 2022
Information on entry into European phase
Search/Exam
Sep 20, 2021
Sep 2, 2021
Copy of the international search report
Search/Exam
Sep 2, 2021
Sep 2, 2021
International publication pamphlet
Search/Exam