Low Bend Loss Single Mode Optical Fiber

Patent No. EP3532880 (titled "Low Bend Loss Single Mode Optical Fiber") was filed by Corning Incorporated on Oct 24, 2017. The application was issued on Sep 10, 2025.

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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Sep 23, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 14, 2025
Decision to grant a European patent
Aug 5, 2025
(Electronic) Receipt
Aug 5, 2025
Filing of the translations of the claims
Aug 5, 2025
French translation of claims
Aug 5, 2025
German translation of the claims
Aug 5, 2025
Letter accompanying subsequently filed items
Apr 14, 2025
Annex to the communication about intention to grant a European patent
Apr 14, 2025
Bibliographic data of the European patent application
Apr 14, 2025
Communication about intention to grant a European patent
Apr 14, 2025
Intention to grant (signatures)
Apr 14, 2025
Text intended for grant (clean copy)
Apr 14, 2025
Text intended for grant (version for approval)
Mar 11, 2025
(Electronic) Receipt
Mar 11, 2025
Amended claims with annotations
Mar 11, 2025
Amended description with annotations
Mar 11, 2025
Claims
Mar 11, 2025
Description
Mar 11, 2025
Letter accompanying subsequently filed items
Mar 11, 2025
Reply to communication from the Examining Division
Nov 25, 2024
Annex to the communication
Nov 25, 2024
Communication from the Examining Division
Apr 5, 2024
(Electronic) Receipt
Apr 5, 2024
Amended claims with annotations
Apr 5, 2024
Amended description with annotations
Apr 5, 2024
Claims
Apr 5, 2024
Description
Apr 5, 2024
Letter accompanying subsequently filed items
Apr 5, 2024
Reply to communication from the Examining Division
Dec 11, 2023
Annex to the communication
Dec 11, 2023
Communication from the Examining Division
Oct 25, 2022
(Electronic) Receipt
Oct 25, 2022
Amended claims with annotations
Oct 25, 2022
Amended description with annotations
Oct 25, 2022
Claims
Oct 25, 2022
Description
Oct 25, 2022
Letter accompanying subsequently filed items
Oct 25, 2022
Reply to communication from the Examining Division
Jun 22, 2022
Annex to the communication
Jun 22, 2022
Communication from the Examining Division
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
Amended claims with annotations
Aug 11, 2021
Amended description with annotations
Aug 11, 2021
Claims
Aug 11, 2021
Description
Aug 11, 2021
Letter accompanying subsequently filed items
Aug 11, 2021
Reply to communication from the Examining Division
Apr 7, 2021
Annex to the communication
Apr 7, 2021
Communication from the Examining Division
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Amended claims with annotations
Jun 19, 2020
Amended description with annotations
Jun 19, 2020
Claims
Jun 19, 2020
Description
Jun 19, 2020
Letter accompanying subsequently filed items
Jun 19, 2020
Reply to communication from the Examining Division
Feb 19, 2020
Annex to the communication
Feb 19, 2020
Communication from the Examining Division
Feb 13, 2020
Examination started
Aug 7, 2019
Notification on forthcoming publication of bibliographic data
Jun 27, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 3, 2019
Communication to designated inventor
Jun 3, 2019
Communication to designated inventor
Jun 3, 2019
Communication to designated inventor
Jun 3, 2019
Communication to designated inventor
Jun 3, 2019
Communication to designated inventor
May 17, 2019
Copy of the international preliminary report on patentability
May 7, 2019
(Electronic) Receipt
May 7, 2019
Amended claims filed after receipt of (European) search report
May 7, 2019
Request for entry into the European phase
Mar 8, 2019
Information on entry into European phase
May 22, 2018
Priority document (electronically transmitted)
May 3, 2018
Copy of the international search report
May 3, 2018
Published international application - A1
Jan 22, 2018
Written opinion of the ISA, boxes No. I to VIII
Jan 22, 2018
Written opinion of the ISA, cover sheet
Jan 22, 2018
Written opinion of the ISA, supplemental box

EP3532880

CORNING INCORPORATED

Application Number: EP17794594A
Filing Date: Oct 24, 2017
Status: Granted And Under Opposition; Aug 8, 2025
Publication Date: Sep 10, 2025
External Links: Slate, Register , Google Patents

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Low Bend Loss Single Mode Optical Fiber

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Dossier Documents

EP3532880