Polarising Optical Element With Waveguide

Patent No. EP3167319 (titled "Polarising Optical Element With Waveguide") was filed by Ixblue on Jul 6, 2015. The application was issued on May 16, 2018.

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
SAFRAN ELECTRONICS & DEFENSE	Sep 25, 2018	PLASSERAUD

Dossier Documents

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

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May 26, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
May 26, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 20, 2021
Termination of the opposition proceedings with maintenance of patent
Mar 15, 2021
Advice of delivery
Mar 15, 2021
Communication about missing advice of delivery
Feb 12, 2021
(Electronic) Receipt
Feb 12, 2021
Advice of delivery
Feb 12, 2021
Letter accompanying subsequently filed items
Feb 9, 2021
Annex to the communication - opposition
Feb 9, 2021
Decision of the Opposition Division and instruction
Feb 9, 2021
Decision rejecting the opposition
Feb 9, 2021
Grounds for the decision (Annex) - opposition
Feb 9, 2021
Internal form - Opposition/addressees
Feb 9, 2021
Internal form - Opposition/addressees
Feb 9, 2021
Means of redress
Feb 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 9, 2021
Provision of a copy of the minutes - opposition procedure
Feb 9, 2021
Scanned annex to a communication - opposition procedure
Jan 20, 2021
Information about the result of oral proceedings
Jan 19, 2021
(Electronic) Receipt
Jan 19, 2021
Authorisation
Jan 19, 2021
Letter accompanying subsequently filed items
Jan 19, 2021
Letter dealing with oral proceedings
Dec 21, 2020
(Electronic) Receipt
Dec 21, 2020
Letter accompanying subsequently filed items
Dec 21, 2020
Oral proceedings: reply to date proposed
Dec 8, 2020
Notification concerning the date of oral proceedings
Dec 8, 2020
Notification concerning the date of oral proceedings
Nov 30, 2020
Brief communication - Opposition proceedings
Nov 26, 2020
Brief communication - Opposition proceedings
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Letter accompanying subsequently filed items
Nov 24, 2020
Request for interpreters during oral proceedings
Nov 20, 2020
(Electronic) Receipt
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure
Nov 20, 2020
Auxiliary request during Opposition procedure - 01
Nov 20, 2020
Auxiliary request during Opposition procedure - 02
Nov 20, 2020
Auxiliary request during Opposition procedure - 03
Nov 20, 2020
Auxiliary request during Opposition procedure - 04
Nov 20, 2020
Auxiliary request during Opposition procedure - 05
Nov 20, 2020
Auxiliary request during Opposition procedure - 06
Nov 20, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
Letter regarding the opposition procedure (no time limit)
Jun 2, 2020
Advice of delivery
May 29, 2020
(Electronic) Receipt
May 29, 2020
Advice of delivery
May 29, 2020
Letter accompanying subsequently filed items
May 14, 2020
Acknowledgement of a document
May 14, 2020
Acknowledgement of a document
May 14, 2020
Information concerning oral proceedings
May 14, 2020
Summons to attend oral proceedings
May 12, 2020
Notification concerning the date of oral proceedings
May 12, 2020
Notification concerning the date of oral proceedings
May 7, 2020
Brief communication - Opposition proceedings
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
Letter accompanying subsequently filed items
Apr 30, 2020
Letter regarding the opposition procedure (no time limit)
Apr 24, 2020
Brief communication - Opposition proceedings
Apr 20, 2020
(Electronic) Receipt
Apr 20, 2020
Letter accompanying subsequently filed items
Apr 20, 2020
Letter regarding the opposition procedure (no time limit)
Nov 12, 2019
Advice of delivery
Nov 11, 2019
Advice of delivery
Nov 7, 2019
Advice of delivery
Nov 5, 2019
Advice of delivery
Oct 29, 2019
Acknowledgement of a document
Oct 29, 2019
Acknowledgement of a document
Oct 29, 2019
Annex to the communication - opposition
Oct 29, 2019
Information concerning oral proceedings
Oct 29, 2019
Summons to attend oral proceedings
Oct 29, 2019
Summons to attend oral proceedings
Oct 18, 2019
Communication of amended entries
Jul 12, 2019
Brief communication - Opposition proceedings
Jul 1, 2019
(Electronic) Receipt
Jul 1, 2019
Letter accompanying subsequently filed items
Jul 1, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Communication of a notice of opposition and request to file observations
Mar 1, 2019
Notice of further oppositions to opponent(s)
Oct 1, 2018
Communication of a notice of opposition - first information to patent proprietor
Sep 25, 2018
(Electronic) Receipt
Sep 25, 2018
Non-patent literature cited during the opposition procedure
Sep 25, 2018
Non-patent literature cited during the opposition procedure
Sep 25, 2018
Non-patent literature cited during the opposition procedure
Sep 25, 2018
Notice of opposition
Sep 25, 2018
Notice of opposition
Sep 25, 2018
Patent document cited during the opposition procedure
May 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 19, 2018
Decision to grant a European patent
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
English translation of the claims
Apr 4, 2018
Filing of the translations of the claims
Apr 4, 2018
German translation of the claims
Apr 4, 2018
Letter accompanying subsequently filed items
Jan 4, 2018
Bibliographic data of the European patent application
Jan 4, 2018
Communication about intention to grant a European patent
Jan 4, 2018
Intention to grant (signatures)
Jan 4, 2018
Text intended for grant (clean copy)
Jan 4, 2018
Text intended for grant (version for approval)
Oct 20, 2017
Examination started
Aug 2, 2017
(Electronic) Receipt
Aug 2, 2017
Letter accompanying subsequently filed items
Aug 2, 2017
Matter concerning the application
Jun 20, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jun 19, 2017
Submission concerning representation
Apr 20, 2017
Notification on forthcoming publication of bibliographic data
Feb 15, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 13, 2017
Communication to designated inventor
Feb 13, 2017
Communication to designated inventor
Feb 13, 2017
Communication to designated inventor
Feb 8, 2017
Priority search results copy provided by EPO
Jan 23, 2017
Copy of the international preliminary report on patentability
Dec 28, 2016
(Electronic) Receipt
Dec 28, 2016
Request for entry into the European phase
Nov 18, 2016
Information on entry into European phase
Feb 1, 2016
Priority document (electronically transmitted)
Jan 25, 2016
Notification of the recording of a change
Jan 14, 2016
Copy of the international search report
Jan 14, 2016
Copy of the international search report
Jan 14, 2016
Published international application - A1
Oct 22, 2015
Incoming letter related to ISA procedure
Oct 22, 2015
Notification Concerning Documents Transmitted (copy for ISA/EP)
Oct 22, 2015
Submission concerning representation
Sep 22, 2015
ISR: cited documents
Sep 22, 2015
International Search Report - copy in English for the IB
Sep 21, 2015
Written opinion of the ISA, boxes No. I to VIII
Sep 21, 2015
Written opinion of the ISA, cover sheet
Sep 21, 2015
Written opinion of the ISA, supplemental box
Aug 11, 2015
Notification of receipt of Search copy
Jul 30, 2015
Incoming letter related to ISA procedure
Jul 30, 2015
Notification Concerning Documents Transmitted (copy for ISA/EP)
Jul 30, 2015
Submission concerning representation
Jul 6, 2015
Abstract
Jul 6, 2015
Annex
Jul 6, 2015
Claims
Jul 6, 2015
Description
Jul 6, 2015
Drawings

EP3167319

IXBLUE

Application Number: EP15742375A
Filing Date: Jul 6, 2015
Status: Opposition Rejected; May 21, 2021
Publication Date: May 16, 2018
External Links: Slate, Register , Google Patents

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Polarising Optical Element With Waveguide

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Dossier Documents

EP3167319