The patent EP3956529 was granted to Soletanche Freyssinet on Feb 22, 2023. The application was originally filed on Apr 19, 2019 under application number EP19727484A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | Link |
|---|---|---|
| OPPOSITION | - Andrej Mahovic, "TYPOLOGY OF RETRACTABLE ROOF STRUCTURES IN STADIUMS AND SPORTS HALLS", THE CREATIVITY GAME - Theory and Practice of Spatial Planning, (20150101), vol. 03, ISSN 2350-3637, pages 90 - 99, XP093168068 | - |
| OPPOSITION | - Anonymous, "Jawaharlal Nehru Stadium - Delhi, India Lifting the cable-net structure for a membrane roof", VSL, (20090101), XP093168088 | - |
| OPPOSITION | - Anonymous, "Moses Mabhida Stadium, Durban - South Africa Lifting and tensioning of cable net roof structure.", VSL, (20080101), XP093168082 | - |
| OPPOSITION | - Anonymous, "New National Arena , Bucharest - Romania Lifting the cable net for a membrane roof", VSL, (20110101), XP093168090 | - |
| OPPOSITION | - Anonymous, "Timsah Arena - Bursa, Turkey Lifting of the cable-net roof structure for a major stadium", VSL, (20140501), XP093168095 | - |
| OPPOSITION | - Fccco, "Roof construction of the Wanda Metropolitano", YouTube video: Roof construction of the Wanda Metropolitano, URL: https://www.youtube.com/watch?v=55KTs97AOuI, XP093170122 | - |
| OPPOSITION | - Freyssinet, "Volgograd Arena - Cable-stayed roof lift", (20171026), URL: https://www.youtube.com/watch?v=rRXKv4O2alQ&t=4s, XP093168013 | - |
| OPPOSITION | - Harry Kim, "Structural performance of spoke wheel roof systems", Master's Thesis, Massachusetts Institute of Technology, Massachusetts Institute of Technology, (20170614), XP093168049 | - |
| OPPOSITION | - Idom Consulting, Engineering, Architecture, "IDOM SAN MAMES Stadium Cable Roof Extension", (20171115), URL: https://www.youtube.com/watch?v=xmiUA2mZkzA&t=3s, XP093168041 | - |
| OPPOSITION | - Knut Göppert, "Invention and Innovation: Every Stadium Is a Prototype - Innovation und Erfindung: Jeder Stadionbau ist ein Prototyp", Knut Göppert, Falk Jaeger, Next 3 stadia : Warsaw, Bucharest, Kiev, Berlin , DE, JOVIS, (20120101), pages 20 - 35, ISBN 978-3-86859-154-5, XP009556234 | - |
| OPPOSITION | - Motoi Masubuchi, "CONCEPTUAL AND STRUCTURAL DESIGN OF ADAPTIVE MEMBRANE STRUCTURES WITH SPOKED WHEEL PRINCIPLE-FOLDING TO THE PERIMETER", Doctoral Dissertation, Technische Universität Berlin, (20120925), XP093168059 | - |
| OPPOSITION | - New Thfc Stadium Time Lapses, "New Spurs Stadium - Roof Lift Time Lapse March 2018", (20180326), URL: https://www.youtube.com/watch?v=xxSrxzhXKYU, XP093168040 | - |
| OPPOSITION | - Olimpiyskiy, "The "big lift" of a cable-stayed roof system at NSC Olimpiyskiy", (20110817), URL: https://www.youtube.com/watch?v=Dh97M7VGug0, XP093168011 | - |
| OPPOSITION | - Thomas Urban, "Warsaw—City of Color: The Dramatic Development of the Polish Capital - Warschau ist bunt geworden: Die polnische Hauptstadt nimmt eine sturmische Entwicklung", Thomas Urban, FALKK JAEGER, Next 3 stadia : Warsaw, Bucharest, Kiev, Berlin , DE, JOVIS, (20120101), pages 36 - 47, ISBN 978-3-86859-154-5, XP009556235 | - |
| OPPOSITION | - Vsl Heavy Lifting, "VSL Heavy Lifting - Greenpoint Stadium Cape Town", (20120507), URL: https://www.youtube.com/watch?v=0AndCw2cT-4, XP093168020 | - |
| OPPOSITION | - Vsl Heavy Lifting, "VSL Heavy Lifting: Jawaharlat Nehru Stadium Delhi, India", (20130327), URL: https://www.youtube.com/watch?v=kH4bXH-t3Jw, XP093168026 | - |
| OPPOSITION | - Vsl Heavy Lifting, "VSL Heavy Lifting: Maracanã Stadium Roof Lift", YouTube video: VSL Heavy Lifting Maracana Stadium Roof Lift, URL: https://www.youtube.com/watch?v=58Jak0zFwuI, XP093170128 | - |
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Means of redress
OPPO
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 9, 2025
Refund of fees
Search/Exam
Jul 9, 2025
Refund of fees
Search/Exam
May 22, 2025
Mar 27, 2025
Mar 26, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Oct 10, 2024
Oct 10, 2024
Oct 10, 2024
Oct 10, 2024
Oct 10, 2024
Oct 10, 2024
Oct 10, 2024
Aug 28, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Jul 5, 2024
Jun 5, 2024
Jun 5, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
Feb 1, 2024
Feb 1, 2024
Jan 31, 2024
Dec 27, 2023
Dec 27, 2023
General enquiry
OPPO
Dec 27, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Mar 7, 2023
Jan 26, 2023
Decision to grant a European patent
Search/Exam
Jan 12, 2023
(Electronic) Receipt
Search/Exam
Jan 12, 2023
Filing of the translations of the claims
Search/Exam
Jan 12, 2023
French translation of claims
Search/Exam
Jan 12, 2023
German translation of the claims
Search/Exam
Jan 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2022
Sep 12, 2022
Sep 12, 2022
Intention to grant (signatures)
Search/Exam
Sep 12, 2022
Text intended for grant (clean copy)
Search/Exam
Sep 12, 2022
Aug 24, 2022
Examination started
Search/Exam
May 3, 2022
(Electronic) Receipt
Search/Exam
May 3, 2022
May 3, 2022
Amended description with annotations
Search/Exam
May 3, 2022
Amendments received before examination
Search/Exam
May 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2022
Nov 26, 2021
Nov 1, 2021
Oct 21, 2021
(Electronic) Receipt
Search/Exam
Oct 21, 2021
Request for entry into the European phase
Search/Exam
Aug 27, 2021
Information on entry into European phase
Search/Exam
Oct 22, 2020
Copy of the international search report
Search/Exam
Oct 22, 2020
Published international application - A1
Search/Exam
Jan 24, 2020
ISR: cited documents
PCTISA
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jun 12, 2019
May 29, 2019
Abstract
PCTISA
May 29, 2019
Claims
PCTISA
May 29, 2019
May 29, 2019
Description
PCTISA
May 29, 2019
Drawings
PCTISA
May 29, 2019