Improved Maxillary Expander And Protraction Device

Patent No. EP3713509 (titled "Improved Maxillary Expander And Protraction Device") was filed by Craniofacial on Nov 24, 2018. The application was issued on Oct 22, 2025.

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
SCHWARZ & PARTNER PATENTANWALTE	Jul 22, 2026	GRUBER

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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Aug 3, 2026
Communication of a notice of opposition and request to file observations
Aug 3, 2026
Notice of further oppositions to opponent(s)
Jul 28, 2026
Communication of a notice of opposition - first information to patent proprietor
Jul 22, 2026
(Electronic) Receipt
Jul 22, 2026
Any annexes (other than citation) to an opposition letter
Jul 22, 2026
Any annexes (other than citation) to an opposition letter
Jul 22, 2026
Citation in opposition procedure - 001
Jul 22, 2026
Citation in opposition procedure - 002
Jul 22, 2026
Citation in opposition procedure - 003
Jul 22, 2026
Citation in opposition procedure - 004
Jul 22, 2026
Citation in opposition procedure - 005
Jul 22, 2026
Citation in opposition procedure - 006
Jul 22, 2026
Consolidated list of cited opposition documents
Jul 22, 2026
Notice of opposition
Jul 22, 2026
Notice of opposition
Nov 4, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 25, 2025
Decision to grant a European patent
Sep 12, 2025
(Electronic) Receipt
Sep 12, 2025
Filing of the translations of the claims
Sep 12, 2025
French translation of claims
Sep 12, 2025
German translation of the claims
Sep 12, 2025
Letter accompanying subsequently filed items
May 14, 2025
Annex to the communication about intention to grant a European patent
May 14, 2025
Bibliographic data of the European patent application
May 14, 2025
Communication about intention to grant a European patent
May 14, 2025
Intention to grant (signatures)
May 14, 2025
Text intended for grant (clean copy)
May 14, 2025
Text intended for grant (version for approval)
May 2, 2025
(Electronic) Receipt
May 2, 2025
Amended description with annotations
May 2, 2025
Description
May 2, 2025
Letter accompanying subsequently filed items
May 2, 2025
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 2, 2025
Annex to the communication about intention to grant a European patent
Jan 2, 2025
Bibliographic data of the European patent application
Jan 2, 2025
Communication about intention to grant a European patent
Jan 2, 2025
Intention to grant (signatures)
Jan 2, 2025
Text intended for grant (clean copy)
Jan 2, 2025
Text intended for grant (version for approval)
Dec 19, 2024
Change to the inventor details
Dec 16, 2024
(Electronic) Receipt
Dec 16, 2024
Amended description with annotations
Dec 16, 2024
Description
Dec 16, 2024
Letter accompanying subsequently filed items
Dec 16, 2024
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 16, 2024
Annex to the communication about intention to grant a European patent
Aug 16, 2024
Bibliographic data of the European patent application
Aug 16, 2024
Communication about intention to grant a European patent
Aug 16, 2024
Intention to grant (signatures)
Aug 16, 2024
Text intended for grant (clean copy)
Aug 16, 2024
Text intended for grant (version for approval)
Aug 2, 2023
Decision to allow further processing
Jul 25, 2023
(Electronic) Receipt
Jul 25, 2023
Amended claims filed after receipt of (European) search report
Jul 25, 2023
Amended claims with annotations
Jul 25, 2023
Letter accompanying subsequently filed items
Jul 25, 2023
Request for further processing
Jun 7, 2023
Communication of the registration of a transfer or change of name and/or address
May 25, 2023
(Electronic) Receipt
May 25, 2023
Annexes in respect of a client data request
May 25, 2023
Letter accompanying subsequently filed items
May 25, 2023
Submission concerning change of applicant's name
May 22, 2023
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Mar 15, 2023
Annex to the communication
Mar 15, 2023
Invitation to indicate the basis for amendments
Aug 26, 2022
(Electronic) Receipt
Aug 26, 2022
Amended claims with annotations
Aug 26, 2022
Claims
Aug 26, 2022
Letter accompanying subsequently filed items
Aug 26, 2022
Reply to communication from the Examining Division
Jun 1, 2022
Grant of extension of time limit (examination procedure)
May 26, 2022
(Electronic) Receipt
May 26, 2022
Letter accompanying subsequently filed items
May 26, 2022
Request for extension of time limit to communication from the Examining Division
Feb 16, 2022
Annex to the communication
Feb 16, 2022
Communication from the Examining Division
Feb 9, 2022
Examination started
Jan 21, 2021
Document concerning representation
Jan 21, 2021
Document concerning representation
Jan 21, 2021
Letter accompanying subsequently filed items
Jan 4, 2021
(Electronic) Receipt
Jan 4, 2021
Amended claims filed after receipt of (European) search report
Jan 4, 2021
Amended claims with annotations
Jan 4, 2021
Amendments received before examination
Jan 4, 2021
Letter accompanying subsequently filed items
Sep 2, 2020
Notification on forthcoming publication of bibliographic data
Jul 1, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 29, 2020
Communication to designated inventor
Jun 29, 2020
Communication to designated inventor
Jun 11, 2020
Copy of the international preliminary report on patentability
May 27, 2020
(Electronic) Receipt
May 27, 2020
Amended claims filed after receipt of (European) search report
May 27, 2020
Amended claims with annotations
May 27, 2020
Matter concerning the application
May 27, 2020
Request for entry into the European phase
May 27, 2020
Submission concerning representation
Apr 3, 2020
Information on entry into European phase
Jun 18, 2019
Priority document (electronically transmitted)
Jun 18, 2019
Priority document (electronically transmitted)
Jun 18, 2019
Priority document (electronically transmitted)
Jun 18, 2019
Priority document (electronically transmitted)
Jun 18, 2019
Priority document (electronically transmitted)
May 31, 2019
Copy of the international search report
May 31, 2019
Published international application - A1
May 6, 2019
ISR: cited documents
May 6, 2019
Written opinion of the ISA, boxes No. I to VIII
May 6, 2019
Written opinion of the ISA, cover sheet
May 6, 2019
Written opinion of the ISA, supplemental box
Apr 30, 2019
Annex
Apr 30, 2019
Incoming letter related to ISA procedure
Apr 30, 2019
Incoming letter related to ISA procedure
Apr 15, 2019
Annex
Mar 13, 2019
Notification of the recording of a change
Mar 8, 2019
Partial International Search Report
Mar 8, 2019
Provisional opinion accompanying the partial search results
Mar 4, 2019
Annex
Mar 4, 2019
Incoming letter related to ISA procedure
Mar 4, 2019
Incoming letter related to ISA procedure
Mar 4, 2019
Submission concerning representation
Feb 11, 2019
Annex
Feb 11, 2019
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Feb 11, 2019
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Feb 11, 2019
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Jan 8, 2019
Notification of receipt of Search copy
Dec 17, 2018
Abstract
Dec 17, 2018
Annex
Dec 17, 2018
Annex
Dec 17, 2018
Claims
Dec 17, 2018
Description
Dec 17, 2018
Drawings
Dec 17, 2018
Fee calculation sheet for an international application
Dec 17, 2018
Incoming letter related to ISA procedure
Dec 17, 2018
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Dec 17, 2018
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Dec 17, 2018
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Dec 17, 2018
Request form for international application (copy for ISA/EP)
Dec 17, 2018
Submission concerning representation

EP3713509

CRANIOFACIAL

Application Number: EP18822553A
Filing Date: Nov 24, 2018
Status: Granted And Under Opposition; Sep 19, 2025
Publication Date: Oct 22, 2025
External Links: Slate, Register , Google Patents

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Improved Maxillary Expander And Protraction Device

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Dossier Documents

EP3713509