The patent EP3220562 was granted to Nokia Solutions And Networks on May 1, 2019. The application was originally filed on Oct 2, 2007 under application number EP17163537A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| OPPOSITION | EP1971097 | 
| OPPOSITION | US2007211762 | 
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 | 
|---|---|
| OPPOSITION | - LG ELECTRONICS, "Preamble Index Mapping for veröffentlicht am 15. Au- Non-Synchronized RACH", 3GPP TSG RAN WG1 gust 2007 Meeting #50, Athen, Griechenland, (20070820), vol. R1-07350, XP050107107 | 
| OPPOSITION | - MOTOROLA, "Preamble sequence design for non-syn- veröffentlicht am 23. Au- chronized random access", 3GPP TSG RAN1 #46, Tallinn, Estland, (20060928), vol. R1-06206, XP002473529 | 
| OPPOSITION | - PANASONIC, "RACH sequence allo- veröffentlicht am 20. Juni 2007 cation and indication to the cell", 3GPP TSG RAN WG1 Meeting #49bis, Orlando, Florida, USA, (20070625), vol. R1-07280, XP008119805 | 
| OPPOSITION | - PANASONIC, "Zadoff-Chu sequence allocation on veröffentlicht am 10. Ja- RACH for complexity reduction", 3GPP TSG RAN nuar 2007 WG1 #47bis, Sorrento, Italien, (20070115), vol. R1-07018, XP002473452 | 
| OPPOSITION | - ZTE, "Group-based Re-ordering Method of ZC Se- veröffentlicht am 15. Au- quence in RACH", 3GPP TSG RAN WG1 #50 , Vol. gust 2007 RI-073595, Athen, Griechenland, (20070820), XP050107194 | 
| SEARCH | - LG ELECTRONICS, "Preamble Index Mapping for Non-Synchronized RACH", 3GPP DRAFT; R1-073501, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070815), vol. RAN WG1, no. Athens, Greece; 20070815, XP050107107 [X] 1,5,9-11 * the whole document * | 
| SEARCH | - PANASONIC ET AL, "RACH sequence allocation and indication to the cell", 3GPP DRAFT; R1-073836, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070829), vol. RAN WG1, no. Athens, Greece; 20070829, XP050107405 [A] 1-11 * the whole document * | 
| SEARCH | - ZTE, "Group-based Re-ordering Method of ZC Sequence in RACH", 3GPP DRAFT; R1-073595 GROUP-BASED RE-ORDERING METHOD OF ZC SEQUENCE IN RACH (REVISED), 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070815), vol. RAN WG1, no. Athens, Greece; 20070815, XP050107194 [X] 1-11 * the whole document * | 
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
Oct 13, 2021
Oct 13, 2021
Oct 8, 2021
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
Jun 30, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Means of redress
OPPO
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 9, 2021
Jun 7, 2021
May 14, 2021
Authorisation
OPPO
May 14, 2021
Apr 30, 2021
Apr 28, 2021
Authorisation
OPPO
Apr 28, 2021
Apr 28, 2021
Apr 27, 2021
Mar 4, 2021
Mar 3, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 25, 2021
Feb 25, 2021
Authorisation
OPPO
Feb 25, 2021
Jan 27, 2021
Jan 27, 2021
Nov 6, 2020
Oct 30, 2020
Oct 5, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Jun 30, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Jun 24, 2020
Feb 18, 2020
Feb 18, 2020
Feb 6, 2020
Jan 31, 2020
Authorisation
OPPO
Jan 31, 2020
Authorisation
OPPO
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Aug 13, 2019
Jul 31, 2019
Jul 24, 2019
Jul 9, 2019
May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 19, 2019
(Electronic) Receipt
Search/Exam
Mar 19, 2019
Filing of the translations of the claims
Search/Exam
Mar 19, 2019
French translation of claims
Search/Exam
Mar 19, 2019
German translation of the claims
Search/Exam
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Intention to grant (signatures)
Search/Exam
Nov 23, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 23, 2018
Nov 7, 2018
Examination started
Search/Exam
Nov 5, 2018
Oct 25, 2018
Mar 13, 2018
(Electronic) Receipt
Search/Exam
Mar 13, 2018
Mar 13, 2018
Amended claims with annotations
Search/Exam
Mar 13, 2018
Amendments received before examination
Search/Exam
Mar 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2017
Aug 23, 2017
Notification of forthcoming publication
Search/Exam
Jul 12, 2017
Refund of fees
Search/Exam
Jun 29, 2017
Jun 29, 2017
European search opinion
Search/Exam
Jun 29, 2017
European search report
Search/Exam
Jun 29, 2017
Information on Search Strategy
Search/Exam
Jun 23, 2017
Communication to designated inventor
Search/Exam
Jun 23, 2017
Communication to designated inventor
Search/Exam
Jun 16, 2017
Search started
Search/Exam
Mar 29, 2017
Abstract
Search/Exam
Mar 29, 2017
Mar 29, 2017
Claims
Search/Exam
Mar 29, 2017
Description
Search/Exam
Mar 29, 2017
Designation of inventor
Search/Exam
Mar 29, 2017
Drawings
Search/Exam
Mar 29, 2017
Request for grant of a European patent
Search/Exam