The patent EP3002881 was granted to Blackberry on Aug 3, 2022. The application was originally filed on Jan 30, 2009 under application number EP15194137A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | EP2248270 |
| OPPOSITION | WO2007145006 |
| OPPOSITION | WO2009099931 |
| SEARCH | US8149749 |
| SEARCH | WO2007145006 |
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 | - "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN)", 3GPP TS 36.300 V8.3.0, (20071201), pages 1 - 121, XP008137363 |
| OPPOSITION | - "Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification", 3GPP TS 36.321 V8.0.0, (20071220), URL: https://www.3app.ors/ftp/Specs/archive/36_ series/36.321, XP002520880 |
| OPPOSITION | - "Evolved Universal Terrestrial Radio Access (E-UTRA) Physical layer procedures", 3GPP TS 36.213 V8.0.0, (20071218), URL: https://www.3epp.ore/ftp/Specs/archive/36_ series/36.213, XP008138652 |
| OPPOSITION | - "Further considerations on UL sounding RS", 3GPP TSG RAN WG1 #49bis, R1-072876, (20070620), URL: https://www.3app.ors/ftp/tsa ran/WG1_ RL1/TSGR1_ 49b/Docs, XP050106555 |
| OPPOSITION | - "RRC_ CONNECTED DRX and dedicated UL resources", 3GPP TSG RAN WG2 #60bis, R2-080462, (20080108), URL: https://www.3epp.ora/ftp/tse_ ran/WG2_ RL2/TSGR2_ 60bis/Docs, XP050138308 |
| OPPOSITION | - TEXAS INSTRUMENTS, "Sounding Reference Signal Assignments in E-UTRA Uplink", 3GPP DRAFT; R1-072849, 3RD GENERATION PARTNERSHIP PROJECT (3GPP, 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070620), (20070620), XP050106529 |
| OPPOSITION | - "UL SRS resource release at TA Timer expiry", 3GPP TSG RAN WG2 #60bis, R2-080454, (20080108), URL: https://www.3epp.ora/ftp/tss ran/WG2_ RL2/TSGR2_ 60bis/Docs, XP050138302 |
| SEARCH | - LG ELECTRONICS, "Further considerations on UL sounding RS", 3GPP DRAFT; R1-072876 - UPLINK SOUNDING RS, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070620), vol. RAN WG1, no. Orlando, USA; 20070620, XP050106555 [Y] 6 * page 2, lines 32-34,46,47 * |
| SEARCH | - TEXAS INSTRUMENTS, "Sounding Reference Signal Assignments in E-UTRA Uplink", 3GPP DRAFT; R1-072849, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20070620), vol. RAN WG1, no. Orlando, USA; 20070620, XP050106529 [Y] 6 * See Chapter 7. Conclusions, item a). * |
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Description
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Authorisation
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Nov 7, 2019
Oct 29, 2019
Request for correction
Search/Exam
Oct 28, 2019
Oct 2, 2019
Sep 19, 2019
Decision to grant a European patent
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Sep 3, 2019
(Electronic) Receipt
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Sep 3, 2019
Filing of the translations of the claims
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Sep 3, 2019
French translation of claims
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Sep 3, 2019
German translation of the claims
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May 3, 2019
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Intention to grant (signatures)
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May 3, 2019
Text intended for grant (clean copy)
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May 3, 2019
Feb 15, 2019
Examination started
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Jul 17, 2018
Submission concerning representation
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Nov 17, 2017
Nov 1, 2017
(Electronic) Receipt
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Nov 1, 2017
Annexes in respect of a client data request
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Nov 1, 2017
Letter accompanying subsequently filed items
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Nov 1, 2017
Jun 7, 2017
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May 31, 2017
Brief communication
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May 26, 2017
Communication from the Legal Division
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May 26, 2017
Letter to the Legal Division
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May 19, 2017
Letter to the Legal Division
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Mar 21, 2017
Communication from the Legal Division
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Mar 21, 2017
Communication from the Legal Division
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Mar 2, 2017
Payment of fees and costs
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Mar 2, 2017
Jan 30, 2017
Jan 24, 2017
Annexes in respect of a client data request
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Jan 24, 2017
Annexes in respect of a client data request
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Jan 24, 2017
Letter accompanying subsequently filed items
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Jan 19, 2017
Annexes in respect of a client data request
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Dec 29, 2016
Payment of fees and costs
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Dec 29, 2016
Oct 5, 2016
(Electronic) Receipt
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Oct 5, 2016
Oct 5, 2016
Amended claims with annotations
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Oct 5, 2016
Amendments received before examination
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Oct 5, 2016
Letter accompanying subsequently filed items
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Apr 11, 2016
Mar 23, 2016
Refund of fees
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Mar 9, 2016
Notification of forthcoming publication
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Feb 19, 2016
Feb 19, 2016
European search opinion
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Feb 19, 2016
European search report
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Feb 19, 2016
Information on Search Strategy
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Feb 10, 2016
Refund of fees
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Feb 4, 2016
Feb 1, 2016
Search started
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Jan 30, 2016
Jan 7, 2016
Communication to designated inventor
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Jan 7, 2016
Communication to designated inventor
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Jan 7, 2016
Communication to designated inventor
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Nov 11, 2015
Abstract
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Nov 11, 2015
Nov 11, 2015
Claims
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Nov 11, 2015
Description
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Nov 11, 2015
Designation of inventor
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Nov 11, 2015
Drawings
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Nov 11, 2015
Request for grant of a European patent
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Sep 3, 2009