The weekly litigation news digest is live. Subscribe now
The patent EP3445897 was granted to Innovative Mechanical Engineering on Jan 13, 2021. The application was filed on Apr 20, 2017 under application number EP17717752A. 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 |
|---|---|---|---|
| BIOINICIA FLUIDNATEK | Jul 2, 2024 | TEMINO CENICEROS | INTERVENTION |
| PONS | Oct 13, 2021 | PONS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2012122155 |
| INTERNATIONAL-SEARCH-REPORT | US2009130301 |
| INTERNATIONAL-SEARCH-REPORT | US2013317285 |
| INTERNATIONAL-SEARCH-REPORT | US2013337101 |
| OPPOSITION | CN103473021 |
| OPPOSITION | CN201816214U |
| OPPOSITION | DE10313888 |
| OPPOSITION | EP2650410 |
| OPPOSITION | EP2987895 |
| OPPOSITION | EP3072996 |
| OPPOSITION | EP3072997 |
| OPPOSITION | JP2013076203 |
| OPPOSITION | KR101040064B |
| OPPOSITION | KR101622054B |
| OPPOSITION | KR20110125755 |
| OPPOSITION | RU82035U |
| OPPOSITION | US2005137829 |
| OPPOSITION | US2009130301 |
| OPPOSITION | US2012263866 |
| OPPOSITION | US7758910 |
| OPPOSITION | WO2009049566 |
| OPPOSITION | WO2012097229 |
| OPPOSITION | WO2015103277 |
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
Mar 19, 2025
Refund of fees
Search/Exam
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 26, 2025
Feb 25, 2025
(Electronic) Receipt
Appeal
Feb 25, 2025
(Electronic) Receipt
Appeal
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Withdrawal of an appeal
Appeal
Feb 25, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Dec 12, 2024
Dec 12, 2024
Dec 9, 2024
(Electronic) Receipt
Appeal
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Sep 26, 2024
Sep 26, 2024
Sep 26, 2024
Sep 10, 2024
(Electronic) Receipt
Appeal
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Aug 27, 2024
Aug 8, 2024
Aug 8, 2024
Aug 8, 2024
Jul 24, 2024
Jul 24, 2024
Jul 23, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 16, 2024
Jul 15, 2024
(Electronic) Receipt
Appeal
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 4, 2024
Jul 4, 2024
Jul 2, 2024
(Electronic) Receipt
Appeal
Jul 2, 2024
Authorisation
Appeal
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 1, 2024
Apr 26, 2024
Apr 23, 2024
(Electronic) Receipt
Appeal
Apr 23, 2024
Apr 23, 2024
Reply to appeal
Appeal
Feb 12, 2024
Jan 3, 2024
Nov 10, 2023
(Electronic) Receipt
Appeal
Nov 10, 2023
Nov 10, 2023
Sep 13, 2023
Sep 13, 2023
Sep 8, 2023
(Electronic) Receipt
Appeal
Sep 8, 2023
Sep 8, 2023
Notice of appeal
Appeal
Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Aug 29, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Means of redress
OPPO
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 28, 2023
May 25, 2023
Apr 3, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Authorisation
OPPO
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Mar 24, 2023
Feb 1, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Dec 15, 2022
Dec 15, 2022
Oct 31, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Mar 17, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Nov 11, 2021
Nov 11, 2021
Nov 3, 2021
Nov 3, 2021
Nov 3, 2021
Nov 3, 2021
Oct 25, 2021
Oct 19, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Jan 25, 2021
Dec 17, 2020
Decision to grant a European patent
Search/Exam
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 6, 2020
Apr 20, 2020
Examination started
Search/Exam
Jun 4, 2019
(Electronic) Receipt
Search/Exam
Jun 4, 2019
Jun 4, 2019
Amended claims with annotations
Search/Exam
Jun 4, 2019
Amendments received before examination
Search/Exam
Jun 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2019
Nov 28, 2018
Nov 26, 2018
Communication to designated inventor
Search/Exam
Nov 21, 2018
Priority search results copy provided by EPO
Search/Exam
Oct 30, 2018
Oct 30, 2018
Oct 29, 2018
(Electronic) Receipt
Search/Exam
Oct 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2018
Letter concerning the inventor
Search/Exam
Oct 18, 2018
(Electronic) Receipt
Search/Exam
Oct 18, 2018
Request for entry into the European phase
Search/Exam
Aug 31, 2018
Information on entry into European phase
Search/Exam
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
Jul 24, 2018
May 3, 2018
May 3, 2018
May 3, 2018
Notification of the recording of a change
Search/Exam
May 2, 2018
May 2, 2018
May 2, 2018
Notification of the recording of a change
Search/Exam
Mar 21, 2018
Written opinion
PCT2
Mar 21, 2018
Mar 21, 2018
Nov 13, 2017
Oct 30, 2017
Notification of election of EPO
Search/Exam
Oct 26, 2017
Copy of the international search report
Search/Exam
Oct 26, 2017
Published international application - A1
Search/Exam
Aug 30, 2017
Aug 23, 2017
Aug 15, 2017
Aug 15, 2017
PCT demand form
PCT2
Aug 15, 2017
Aug 15, 2017
Aug 15, 2017
Aug 15, 2017
Jun 23, 2017
Jun 2, 2017
Jun 2, 2017
Jun 2, 2017
May 2, 2017
Apr 20, 2017
(Electronic) Receipt
PCTRO
Apr 20, 2017
Abstract
PCTRO
Apr 20, 2017
Claims
PCTRO
Apr 20, 2017
Description
PCTRO
Apr 20, 2017
Apr 20, 2017
Drawings
PCTRO
Apr 20, 2017
Apr 20, 2017