The weekly litigation news digest is live. Subscribe now
The patent EP3682454 was granted to Istituto Nazionale DI Fisica Nucleare on Jul 26, 2023. The application was filed on Sep 7, 2018 under application number EP18780233A. 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 |
|---|---|---|---|
| ION BEAM APPLICATIONS | Apr 8, 2024 | CONNOR | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010166653 |
| INTERNATIONAL-SEARCH-REPORT | US2013301769 |
| INTERNATIONAL-SEARCH-REPORT | US5158933 |
| INTERNATIONAL-SEARCH-REPORT | WO02099816 |
| OPPOSITION | US2016133426 |
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
Nov 28, 2025
Nov 28, 2025
Nov 26, 2025
Nov 24, 2025
(Electronic) Receipt
Appeal
Nov 24, 2025
Nov 24, 2025
Notice of appeal
Appeal
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Means of redress
OPPO
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Jul 25, 2025
Jul 25, 2025
Jul 14, 2025
Jul 14, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jun 26, 2025
Jun 20, 2025
Jun 20, 2025
Jun 20, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Nov 26, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Oct 10, 2024
Oct 7, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
May 31, 2024
May 31, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 20, 2024
May 20, 2024
Authorisation
OPPO
May 20, 2024
May 20, 2024
May 2, 2024
Apr 26, 2024
Apr 23, 2024
Apr 23, 2024
Authorisation
OPPO
Apr 23, 2024
Apr 23, 2024
Apr 16, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Apr 8, 2024
Aug 8, 2023
Jun 29, 2023
Decision to grant a European patent
Search/Exam
Jun 19, 2023
(Electronic) Receipt
Search/Exam
Jun 19, 2023
French translation of claims
Search/Exam
Jun 19, 2023
German translation of the claims
Search/Exam
Jun 19, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Intention to grant (signatures)
Search/Exam
Feb 21, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 21, 2023
Jun 23, 2021
(Electronic) Receipt
Search/Exam
Jun 23, 2021
Amended claims with annotations
Search/Exam
Jun 23, 2021
Claims
Search/Exam
Jun 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 23, 2021
Feb 22, 2021
Annex to the communication
Search/Exam
Feb 22, 2021
Communication from the Examining Division
Search/Exam
Feb 16, 2021
Examination started
Search/Exam
Nov 2, 2020
(Electronic) Receipt
Search/Exam
Nov 2, 2020
Nov 2, 2020
Amended claims with annotations
Search/Exam
Nov 2, 2020
Amendments received before examination
Search/Exam
Nov 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2020
Apr 24, 2020
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Mar 30, 2020
(Electronic) Receipt
Search/Exam
Mar 30, 2020
Request for entry into the European phase
Search/Exam
Jan 24, 2020
Information on entry into European phase
Search/Exam
Apr 11, 2019
Mar 21, 2019
Copy of the international search report
Search/Exam
Mar 21, 2019
Published international application - A1
Search/Exam
Nov 29, 2018
ISR: cited documents
PCTISA
Nov 28, 2018
Nov 28, 2018
Nov 28, 2018
Oct 16, 2018
Oct 6, 2018
Abstract
PCTISA
Oct 6, 2018
Claims
PCTISA
Oct 6, 2018
Oct 6, 2018
Description
PCTISA
Oct 6, 2018
Drawings
PCTISA
Oct 6, 2018
Oct 6, 2018
Oct 6, 2018
Oct 6, 2018
Oct 6, 2018