Miniature Micromachined Ultrasonic Rangefinder

Patent No. EP3175490 (titled "Miniature Micromachined Ultrasonic Rangefinder") was filed by Chirp Microsystems on Jul 31, 2015. The application was issued on Mar 12, 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
DEHNS	Dec 23, 2022	DEHNS

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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Feb 13, 2025
Decision to maintain the European patent in amended form
Feb 13, 2025
Decision to maintain the European patent in amended form
Feb 5, 2025
(Electronic) Receipt
Feb 5, 2025
Filing of the translation of the amended claims
Feb 5, 2025
French translation of claims
Feb 5, 2025
German translation of the claims
Nov 12, 2024
Communication to opponent concerning maintenance
Nov 12, 2024
Communication with request to file translations
Nov 7, 2024
Maintenance of the patent with the documents specified in the final decision
Jul 23, 2024
Annex to the communication - opposition
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Decision of the Opposition Division and instruction
Jul 23, 2024
Druckexemplar in opposition procedure
Jul 23, 2024
Grounds for the decision (Annex) - opposition
Jul 23, 2024
Interlocutory decision in opposition proceedings
Jul 23, 2024
Interlocutory decision in opposition proceedings
Jul 23, 2024
Means of redress
Jul 23, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 23, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 23, 2024
Provision of a copy of the minutes - opposition procedure
Jul 23, 2024
Provision of a copy of the minutes - opposition procedure
Jul 23, 2024
Scanned annex to a communication - opposition procedure
Jun 11, 2024
Information about the result of oral proceedings
May 15, 2024
Brief communication - Opposition proceedings
May 9, 2024
(Electronic) Receipt
May 9, 2024
Letter accompanying subsequently filed items
May 9, 2024
Written submission in preparation to/during oral proceedings
Apr 17, 2024
Brief communication - Opposition proceedings
Apr 16, 2024
Brief communication - Opposition proceedings
Apr 11, 2024
(Electronic) Receipt
Apr 11, 2024
(Electronic) Receipt
Apr 11, 2024
(Electronic) Receipt
Apr 11, 2024
Auxiliary request during Opposition procedure
Apr 11, 2024
Auxiliary request during Opposition procedure
Apr 11, 2024
Auxiliary request during Opposition procedure
Apr 11, 2024
Auxiliary request during Opposition procedure - 01
Apr 11, 2024
Auxiliary request during Opposition procedure - 02
Apr 11, 2024
Auxiliary request during Opposition procedure - 03
Apr 11, 2024
Letter accompanying subsequently filed items
Apr 11, 2024
Letter accompanying subsequently filed items
Apr 11, 2024
Letter accompanying subsequently filed items
Apr 11, 2024
Main request during Opposition procedure
Apr 11, 2024
Written submission in preparation to/during oral proceedings
Apr 11, 2024
Written submission in preparation to/during oral proceedings
Apr 11, 2024
Written submission in preparation to/during oral proceedings
Dec 19, 2023
Letter accompanying subsequently filed items
Dec 19, 2023
Submission concerning change of applicant's address
Nov 21, 2023
Annex to the communication - opposition
Nov 21, 2023
Information concerning oral proceedings
Nov 21, 2023
Scanned annex to a communication - opposition procedure
Nov 21, 2023
Transmittal of decision / summons - opposition
Nov 21, 2023
Transmittal of decision / summons - opposition
May 26, 2023
Brief communication - Opposition proceedings
May 22, 2023
(Electronic) Receipt
May 22, 2023
Auxiliary request during Opposition procedure
May 22, 2023
Auxiliary request during Opposition procedure
May 22, 2023
Auxiliary request during Opposition procedure - 01
May 22, 2023
Auxiliary request during Opposition procedure - 02
May 22, 2023
Letter accompanying subsequently filed items
May 22, 2023
Main request during Opposition procedure
May 22, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jan 13, 2023
Communication of a notice of opposition and request to file observations
Jan 13, 2023
Notice of further oppositions to opponent(s)
Jan 4, 2023
Communication of a notice of opposition - first information to patent proprietor
Dec 23, 2022
(Electronic) Receipt
Dec 23, 2022
Citation in opposition procedure - 001
Dec 23, 2022
Citation in opposition procedure - 002
Dec 23, 2022
Citation in opposition procedure - 003
Dec 23, 2022
Citation in opposition procedure - 004
Dec 23, 2022
Citation in opposition procedure - 005
Dec 23, 2022
Citation in opposition procedure - 006
Dec 23, 2022
Citation in opposition procedure - 007
Dec 23, 2022
Citation in opposition procedure - 008
Dec 23, 2022
Citation in opposition procedure - 009
Dec 23, 2022
Citation in opposition procedure - 010
Dec 23, 2022
Consolidated list of cited opposition documents
Dec 23, 2022
Notice of opposition
Dec 23, 2022
Notice of opposition
Apr 12, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 28, 2022
Correction to published European patent application/patent specification
Mar 21, 2022
Communication of the registration of a transfer or change of name and/or address
Mar 3, 2022
Decision to grant a European patent
Feb 25, 2022
Communication concerning corrected entries of the applicant
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Annexes in respect of a client data request
Feb 18, 2022
Letter accompanying subsequently filed items
Feb 18, 2022
Request for correction of errors in filed documents
Jan 19, 2022
Brief communication with time limit (Legal Division)
Dec 9, 2021
Brief communication to applicant/representative (Legal Division)
Oct 27, 2021
Result of consultation by telephone/in person
Oct 21, 2021
(Electronic) Receipt
Oct 21, 2021
Filing of the translations of the claims
Oct 21, 2021
French translation of claims
Oct 21, 2021
German translation of the claims
Oct 21, 2021
Letter accompanying subsequently filed items
Sep 28, 2021
Bibliographic data of the European patent application
Sep 28, 2021
Communication about intention to grant a European patent
Sep 28, 2021
Text intended for grant (clean copy)
Sep 28, 2021
Text intended for grant (version for approval)
Jul 29, 2021
(Electronic) Receipt
Jul 29, 2021
Amended claims with annotations
Jul 29, 2021
Amended description with annotations
Jul 29, 2021
Amended drawings with annotations
Jul 29, 2021
Claims
Jul 29, 2021
Description
Jul 29, 2021
Drawings
Jul 29, 2021
Letter accompanying subsequently filed items
Jul 29, 2021
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 30, 2021
Annex to the communication about intention to grant a European patent
Mar 30, 2021
Bibliographic data of the European patent application
Mar 30, 2021
Communication about intention to grant a European patent
Mar 30, 2021
Intention to grant (signatures)
Mar 30, 2021
Text intended for grant (clean copy)
Mar 30, 2021
Text intended for grant (version for approval)
Mar 12, 2021
Examination started
Feb 11, 2019
(Electronic) Receipt
Feb 11, 2019
Amended claims filed after receipt of (European) search report
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended description filed after receipt of (European) search report
Feb 11, 2019
Amended description with annotations
Feb 11, 2019
Amended drawings filed after receipt of (European) search report
Feb 11, 2019
Amendments received before examination
Feb 11, 2019
Letter accompanying subsequently filed items
Aug 2, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 16, 2018
Communication regarding the transmission of the European search report
Jul 16, 2018
European search opinion
Jul 16, 2018
Information on Search Strategy
Jul 16, 2018
Supplementary European search report
May 14, 2018
(Electronic) Receipt
May 14, 2018
Letter accompanying subsequently filed items
May 14, 2018
Letter concerning search matters
Mar 2, 2018
Communication regarding the transmission of the European search report
Mar 2, 2018
Information on Search Strategy
Mar 2, 2018
Partial European search report
Mar 2, 2018
Provisional opinion accompanying the partial search results
Feb 19, 2018
Search started
Aug 4, 2017
Communication of amended entries concerning the representative
Jul 31, 2017
Submission concerning change of applicant's representative
May 10, 2017
Notification on forthcoming publication of bibliographic data
Mar 8, 2017
Communication regarding possible amendment of the application/payment of claims fee
Mar 6, 2017
Communication to designated inventor
Mar 6, 2017
Communication to designated inventor
Mar 6, 2017
Communication to designated inventor
Mar 6, 2017
Communication to designated inventor
Mar 6, 2017
Communication to designated inventor
Feb 22, 2017
Copy of the international preliminary report on patentability
Feb 8, 2017
(Electronic) Receipt
Feb 8, 2017
Amended claims filed after receipt of (European) search report
Feb 8, 2017
Amended claims with annotations
Feb 8, 2017
Amendments received before examination
Feb 8, 2017
Request for entry into the European phase
Dec 9, 2016
Information on entry into European phase
Feb 22, 2016
Priority document (electronically transmitted)
Feb 4, 2016
Copy of the international search report
Feb 4, 2016
Published international application - A1

EP3175490

CHIRP MICROSYSTEMS

Application Number: EP15827176A
Filing Date: Jul 31, 2015
Status: Patent Maintained As Amended; Feb 7, 2025
Publication Date: Mar 12, 2025
External Links: Slate, Register , Google Patents

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Miniature Micromachined Ultrasonic Rangefinder

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Dossier Documents

EP3175490