The weekly litigation news digest is live. Subscribe now
The patent EP3483220 was granted to Hoya Lens Thailand on Aug 5, 2020. The application was filed on Sep 29, 2014 under application number EP18211291A. 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 |
|---|---|---|---|
| ESSILOR | May 5, 2021 | JACOBACCI CORALIS HARLE | ADMISSIBLE |
| ZIMMER | May 5, 2021 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2008056854 |
| DESCRIPTION | JP2012093689 |
| DESCRIPTION | JPH01152019 |
| DESCRIPTION | JPH01163012 |
| DESCRIPTION | JPH01180575 |
| DESCRIPTION | JPH01213601 |
| DESCRIPTION | JPH01295201 |
| DESCRIPTION | JPH01295202 |
| DESCRIPTION | JPH01302202 |
| DESCRIPTION | JPH01311118 |
| DESCRIPTION | JPH0196208 |
| DESCRIPTION | JPH02153302 |
| DESCRIPTION | JPH02167330 |
| DESCRIPTION | JPH02270859 |
| DESCRIPTION | JPH0236216 |
| DESCRIPTION | JPH0258517 |
| DESCRIPTION | JPH02802 |
| DESCRIPTION | JPH03124722 |
| DESCRIPTION | JPH03236386 |
| DESCRIPTION | JPH03281312 |
| DESCRIPTION | JPH0381320 |
| DESCRIPTION | JPH0384021 |
| DESCRIPTION | JPH0384031 |
| DESCRIPTION | JPH04117353 |
| DESCRIPTION | JPH04117354 |
| DESCRIPTION | JPH04159275 |
| DESCRIPTION | JPH04256558 |
| DESCRIPTION | JPH0478801 |
| DESCRIPTION | JPH05148340 |
| DESCRIPTION | JPH05208950 |
| DESCRIPTION | JPH05273401 |
| DESCRIPTION | JPH05297201 |
| DESCRIPTION | JPH05320301 |
| DESCRIPTION | JPH0578441 |
| DESCRIPTION | JPH0580201 |
| DESCRIPTION | JPH0593801 |
| DESCRIPTION | JPH06122748 |
| DESCRIPTION | JPH06192250 |
| DESCRIPTION | JPH06256342 |
| DESCRIPTION | JPH06256459 |
| DESCRIPTION | JPH06313801 |
| DESCRIPTION | JPH0665193 |
| DESCRIPTION | JPH0672989 |
| DESCRIPTION | JPH07104101 |
| DESCRIPTION | JPH07118263 |
| DESCRIPTION | JPH07118357 |
| DESCRIPTION | JPH07118390 |
| DESCRIPTION | JPH07165859 |
| DESCRIPTION | JPH07228659 |
| DESCRIPTION | JPH07242722 |
| DESCRIPTION | JPH07247335 |
| DESCRIPTION | JPH07252207 |
| DESCRIPTION | JPH07252341 |
| DESCRIPTION | JPH07316250 |
| DESCRIPTION | JPH07324118 |
| DESCRIPTION | JPH0763902 |
| DESCRIPTION | JPH083267 |
| DESCRIPTION | JPH0873732 |
| DESCRIPTION | JPH0892345 |
| DESCRIPTION | JPH09110979 |
| DESCRIPTION | JPH09208621 |
| DESCRIPTION | JPH09208651 |
| DESCRIPTION | JPH09255781 |
| DESCRIPTION | JPH0971580 |
| DESCRIPTION | JPH11140070 |
| DESCRIPTION | JPH11180977 |
| DESCRIPTION | JPH11183702 |
| DESCRIPTION | JPH11189592 |
| DESCRIPTION | JPS57136601 |
| DESCRIPTION | JPS58127914 |
| DESCRIPTION | JPS60199016 |
| DESCRIPTION | JPS60217229 |
| DESCRIPTION | JPS62236818 |
| DESCRIPTION | JPS62255901 |
| DESCRIPTION | JPS62267316 |
| DESCRIPTION | JPS63130614 |
| DESCRIPTION | JPS63130615 |
| DESCRIPTION | JPS63245421 |
| DESCRIPTION | JPS63265201 |
| DESCRIPTION | JPS6346213 |
| DESCRIPTION | JPS6426622 |
| DESCRIPTION | JPS6445611 |
| DESCRIPTION | JPS6454021 |
| DESCRIPTION | JPS6490167 |
| DESCRIPTION | JPS6490168 |
| DESCRIPTION | JPS6490169 |
| DESCRIPTION | JPS6490170 |
| OPPOSITION | JP2008056854 |
| OPPOSITION | JP2008090327 |
| OPPOSITION | JP2012173704 |
| OPPOSITION | JP2012219169 |
| OPPOSITION | JP2013011840 |
| OPPOSITION | JPH10186291 |
| OPPOSITION | JPH11231102 |
| OPPOSITION | JPH11271501 |
| OPPOSITION | KR100704314B |
| OPPOSITION | KR20090013421 |
| OPPOSITION | US2009029172 |
| OPPOSITION | US2011075096 |
| OPPOSITION | US6187844 |
| OPPOSITION | US6770692 |
| SEARCH | KR20090013421 |
| SEARCH | US6770692 |
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 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 20, 2025
Nov 20, 2025
Nov 18, 2025
(Electronic) Receipt
Appeal
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Sep 19, 2025
Sep 19, 2025
Sep 17, 2025
Sep 17, 2025
Sep 16, 2025
(Electronic) Receipt
Appeal
Sep 16, 2025
Sep 16, 2025
Sep 12, 2025
Sep 12, 2025
Sep 11, 2025
(Electronic) Receipt
Appeal
Sep 11, 2025
Sep 11, 2025
Sep 9, 2025
(Electronic) Receipt
Appeal
Sep 9, 2025
Sep 9, 2025
Aug 18, 2025
Aug 18, 2025
Aug 14, 2025
(Electronic) Receipt
Appeal
Aug 14, 2025
Aug 14, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 14, 2025
Jul 14, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 9, 2025
(Electronic) Receipt
Appeal
Jul 9, 2025
Jul 9, 2025
Jul 7, 2025
(Electronic) Receipt
Appeal
Jul 7, 2025
Jul 7, 2025
Mar 18, 2025
Mar 18, 2025
Mar 13, 2025
(Electronic) Receipt
Appeal
Mar 13, 2025
Mar 13, 2025
Oct 24, 2024
Oct 24, 2024
Oct 21, 2024
(Electronic) Receipt
Appeal
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Reply to appeal
Appeal
Oct 16, 2024
(Electronic) Receipt
Appeal
Oct 16, 2024
Oct 16, 2024
Reply to appeal
Appeal
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 25, 2024
(Electronic) Receipt
Appeal
Jul 25, 2024
Jul 25, 2024
Jul 16, 2024
(Electronic) Receipt
Appeal
Jul 16, 2024
Jul 16, 2024
Jun 19, 2024
Jun 19, 2024
Jun 14, 2024
(Electronic) Receipt
Appeal
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Claims
Appeal
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 12, 2024
(Electronic) Receipt
Appeal
Apr 12, 2024
Apr 12, 2024
Notice of appeal
Appeal
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Means of redress
Search/Exam
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Feb 15, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Dec 13, 2023
Dec 11, 2023
Dec 11, 2023
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Dec 5, 2023
Dec 5, 2023
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Oct 27, 2023
Oct 27, 2023
Oct 24, 2023
Oct 24, 2023
Oct 24, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 17, 2023
Oct 17, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 13, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Sep 6, 2023
May 26, 2023
May 23, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
Mar 29, 2023
Mar 29, 2023
Mar 29, 2023
Mar 27, 2023
Mar 27, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Jan 31, 2023
Jan 31, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 20, 2023
Jan 20, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 12, 2023
Jan 12, 2023
Jan 9, 2023
Jan 9, 2023
Jan 9, 2023
Dec 14, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
May 18, 2022
May 2, 2022
May 2, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 29, 2022
Apr 21, 2022
Apr 21, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 14, 2022
Jan 3, 2022
Dec 21, 2021
Dec 20, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Oct 13, 2021
Oct 13, 2021
Oct 12, 2021
Oct 12, 2021
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Oct 5, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Jun 25, 2021
Jun 25, 2021
Jun 21, 2021
Jun 21, 2021
Jun 21, 2021
May 25, 2021
May 25, 2021
May 25, 2021
May 19, 2021
May 19, 2021
May 19, 2021
May 14, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
Aug 17, 2020
Jul 9, 2020
Decision to grant a European patent
Search/Exam
Jun 25, 2020
(Electronic) Receipt
Search/Exam
Jun 25, 2020
Filing of the translations of the claims
Search/Exam
Jun 25, 2020
French translation of claims
Search/Exam
Jun 25, 2020
German translation of the claims
Search/Exam
Jun 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2020
Mar 19, 2020
Mar 19, 2020
Intention to grant (signatures)
Search/Exam
Mar 19, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 19, 2020
Feb 18, 2020
Feb 12, 2020
Observations by third parties
Search/Exam
Feb 12, 2020
Patent document filed by a Third party
Search/Exam
Feb 12, 2020
Patent document filed by a Third party
Search/Exam
Feb 12, 2020
Patent document filed by a Third party
Search/Exam
Feb 6, 2020
(Electronic) Receipt
Search/Exam
Feb 6, 2020
Amended description with annotations
Search/Exam
Feb 6, 2020
Description
Search/Exam
Feb 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2020
Dec 6, 2019
Annex to the communication
Search/Exam
Dec 6, 2019
Communication from the Examining Division
Search/Exam
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Nov 6, 2019
Amended claims with annotations
Search/Exam
Nov 6, 2019
Amendments received before examination
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
May 20, 2019
Apr 17, 2019
Apr 17, 2019
Apr 17, 2019
European search opinion
Search/Exam
Apr 17, 2019
European search report
Search/Exam
Apr 17, 2019
Information on Search Strategy
Search/Exam
Apr 17, 2019
Apr 17, 2019
Apr 17, 2019
Notification of forthcoming publication
Search/Exam
Apr 11, 2019
Letter which had not been notified
Search/Exam
Apr 11, 2019
Letter which had not been notified
Search/Exam
Feb 1, 2019
Communication to designated inventor
Search/Exam
Feb 1, 2019
Communication to designated inventor
Search/Exam
Dec 10, 2018
Abstract
Search/Exam
Dec 10, 2018
Dec 10, 2018
Annex
Search/Exam
Dec 10, 2018
Claims
Search/Exam
Dec 10, 2018
Description
Search/Exam
Dec 10, 2018
Designation of inventor
Search/Exam
Dec 10, 2018
Request for grant of a European patent
Search/Exam
Apr 21, 2015