Production Of 3D Free-Form Waveguide Structures

Patent No. EP2978593 (titled "Production Of 3D Free-Form Waveguide Structures") was filed by Karlsruher Institut FR Technologie KIT on Mar 28, 2014. The application was issued on Sep 27, 2017.

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
MULTIPHOTON OPTICS	Jun 27, 2018	STREHL & PARTNER
MULTIPHOTON OPTICS	Jun 27, 2018	STREHL SCHUBEL HOPF & PARTNER

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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Jan 27, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jan 27, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 22, 2021
Termination of the opposition proceedings with maintenance of patent
Oct 20, 2020
Advice of delivery
Oct 16, 2020
Advice of delivery
Oct 13, 2020
Acknowledgement of a document
Oct 13, 2020
Acknowledgement of a document
Oct 13, 2020
Annex to the communication - opposition
Oct 13, 2020
Decision of the Opposition Division and instruction
Oct 13, 2020
Decision rejecting the opposition
Oct 13, 2020
Grounds for the decision (Annex) - opposition
Oct 13, 2020
Internal form - Opposition/addressees
Oct 13, 2020
Internal form - Opposition/addressees
Oct 13, 2020
Means of redress
Oct 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 13, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 13, 2020
Provision of a copy of the minutes - opposition procedure
Jul 2, 2020
Information about the result of oral proceedings
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Letter accompanying subsequently filed items
Jul 1, 2020
Oral proceedings: reply to date proposed
Jun 23, 2020
(Electronic) Receipt
Jun 23, 2020
Letter accompanying subsequently filed items
Jun 23, 2020
Oral proceedings: reply to date proposed
Jun 16, 2020
Communication for party to proceedings/third party
Jun 16, 2020
Communication for party to proceedings/third party
Jun 10, 2020
Oral proceedings: reply to date proposed
Jun 9, 2020
Oral proceedings: reply to date proposed
May 11, 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 30, 2020
Patent document cited during the opposition procedure
Jan 13, 2020
Advice of delivery
Jan 10, 2020
Advice of delivery
Jan 7, 2020
Acknowledgement of a document
Jan 7, 2020
Acknowledgement of a document
Jan 7, 2020
Annex to the communication - opposition
Jan 7, 2020
Information concerning oral proceedings
Jan 7, 2020
Summons to attend oral proceedings
Jan 7, 2020
Summons to attend oral proceedings
Nov 27, 2018
Brief communication - Opposition proceedings
Nov 19, 2018
Amended claims with annotations
Nov 19, 2018
Amended claims with annotations
Nov 19, 2018
Amended claims with annotations
Nov 19, 2018
Amended claims with annotations
Nov 19, 2018
Claims
Nov 19, 2018
Claims
Nov 19, 2018
Claims
Nov 19, 2018
Claims
Nov 19, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 9, 2018
Communication of a notice of opposition and request to file observations
Jul 9, 2018
Notice of further oppositions to opponent(s)
Jul 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 27, 2018
(Electronic) Receipt
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Oct 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 31, 2017
Decision to grant a European patent
Aug 17, 2017
Payment of fees and costs
Aug 16, 2017
English translation of the claims
Aug 16, 2017
Filing of the translations of the claims
Aug 16, 2017
French translation of claims
May 9, 2017
Bibliographic data of the European patent application
May 9, 2017
Communication about intention to grant a European patent
May 9, 2017
Intention to grant (signatures)
May 9, 2017
Text intended for grant (clean copy)
May 9, 2017
Text intended for grant (version for approval)
Mar 28, 2017
Examination started
Jan 2, 2017
Notification regarding date of start of examination with possibility to withdraw
Jan 28, 2016
Amended description filed after receipt of (European) search report
Jan 28, 2016
Amended description with annotations
Jan 28, 2016
Amendments received before examination
Jan 25, 2016
Letter concerning the inventor
Jan 7, 2016
Invitation to indicate correct address of inventor
Jan 7, 2016
Notification on forthcoming publication of bibliographic data
Dec 16, 2015
Letter which had not been notified
Nov 4, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 2, 2015
Communication to designated inventor
Nov 2, 2015
Communication to designated inventor
Nov 2, 2015
Communication to designated inventor
Nov 2, 2015
Communication to designated inventor
Oct 13, 2015
Copy of the international preliminary report on patentability
Sep 10, 2015
Payment of fees and costs
Sep 2, 2015
Annex
Sep 2, 2015
Letter accompanying subsequently filed items
Sep 2, 2015
Priority search results
Sep 2, 2015
Request for entry into the European phase
Aug 7, 2015
Information on entry into European phase
Oct 22, 2014
Priority document (electronically transmitted)
Oct 2, 2014
Copy of the international search report
Oct 2, 2014
Copy of the international search report
Oct 2, 2014
Published international application - A1
Aug 19, 2014
Annex
Jun 23, 2014
Written opinion of the ISA, boxes No. I to VIII
Jun 23, 2014
Written opinion of the ISA, cover sheet
Jun 23, 2014
Written opinion of the ISA, supplemental box
Mar 28, 2014
Abstract
Mar 28, 2014
Claims
Mar 28, 2014
Description
Mar 28, 2014
Drawings
Mar 28, 2014
Payment of fees and costs

EP2978593

KARLSRUHER INSTITUT FR TECHNOLOGIE KIT

Application Number: EP14714177A
Filing Date: Mar 28, 2014
Status: Opposition Rejected; Jan 29, 2021
Publication Date: Sep 27, 2017
External Links: Slate, Register , Google Patents

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Production Of 3D Free-Form Waveguide Structures

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2978593