Register information Patent

DE file number : 60 2013 042 665.1 (Status: pending/in force, Query started: August 23, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTPending/in force
21DE file number DAKZ60 2013 042 665.1
96EP file numberEAKZ13 17 5882.3
97EP publication numberEPN2824832
54Designation/titleTIElektrische Verstärkerschaltung zur Verstärkung eines Ausgangssignals eines Mikrofons
51IPC main classICM
(ICMV)		 H03F 1/30 (2006.01)
51IPC secondary class(es)ICS
(ICSV)		 H03F 3/45 (2006.01), H03F 3/181 (2006.01)
22DE application dateDATJul 10, 2013
96EP application dateEATJul 10, 2013
43Date of first publicationOTJan 14, 2015
Date of publication of grantPETAug 29, 2018
71/73Applicant/ownerINHKnowles Electronics, LLC, Itasca, Ill., US
72InventorINDünser, Wolfgang, 8640 Rapperswil-Jona, CH; Bingesser, Markus, 8193 Eglisau, CH; Fröhlich, Thomas, 8307 Ottikon, CH
74RepresentativeVTRGrünecker Patent- und Rechtsanwälte PartG mbB, 80802 München, DE
Address for service Grünecker Patent- und Rechtsanwälte PartG mbB, 80802 München, DE
Due dateFT
FG		Jul 31, 2026
Annual fee for the 14th year Patent fees
Patent division in charge 39
97EP language of publicationELANGEN - Englisch
84Designated EP contracting statesEDSAL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Published EP/WO documentsEPWOPNOriginal document: EP000002824832
Searchable text: EP000002824832
Original document: EP000002824832B1
Searchable text: EP000002824832B1
43Date of first publicationEVTJan 14, 2015
Date of the first transfer into DPMAregisterEREGTFeb 27, 2015
Date of the (most recent) update in DPMAregisterREGTAug 12, 2025
(Show all update days)(Hide all update days)
  • Aug 12, 2025
    • Due date: changed
  • Aug 9, 2025
    • Procedures: Procedure relating to EP application, EPO publication of mention of grant , 29.08.2018: new
    • Procedures: Procedure relating to EP application, EPO publication of mention of grant , 29.08.2018: deleted
  • Aug 8, 2024
    • Due date: changed
  • Feb 27, 2015
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Procedure relating to EP application EPO 1st publication Jan 14, 2015  Details anzeigen
2 Publications Publication of a mention regarding EP 1st publication by DPMA Feb 26, 2015 Feb 26, 2015 Details anzeigen
3 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Aug 29, 2018  Details anzeigen
4 Publications Publication by DPMA of mention regarding EP patent grant Sep 27, 2018 Sep 27, 2018 Details anzeigen
5 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision May 31, 2019 Aug 22, 2019 Details anzeigen
6 New representative details New representative details Apr 15, 2020  Details anzeigen
7 New applicant/owner details New applicant/owner details Apr 17, 2020 May 28, 2020 Details anzeigen
View procedures Procedure relating to EP application (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTEPO 1st publication
Date of legal/procedural statusVSTTJan 14, 2015
View procedures Publications (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural statusVSTTFeb 26, 2015
Issue numberHN9
YearPJ2015
Publication dateVTFeb 26, 2015
Type of publicationPARTBibliographic data
View procedures Procedure relating to EP application (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTEPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural statusVSTTAug 29, 2018
Date of update of the procedureREGTAug 9, 2025
View procedures Publications (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication by DPMA of mention regarding EP patent grant
Date of legal/procedural statusVSTTSep 27, 2018
Issue numberHN39
YearPJ2018
Publication dateVTSep 27, 2018
Type of publicationPARTBibliographic data
PartHTPart 5
View procedures Procedure relating to EP application (No.: 5)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to EP application
Legal/procedural statusVSTNo opposition to patent grant filed, or opposition proceedings at EPO completed without decision
Date of legal/procedural statusVSTTMay 31, 2019
Issue numberHN34
YearPJ2019
Publication dateVTAug 22, 2019
Type of publicationPARTBibliographic data
PartHTPart 3
View procedures New representative details (No.: 6)
INIDCriterionFieldContent Close details
Type of procedureVARTNew representative details
Legal/procedural statusVSTNew representative details
Date of legal/procedural statusVSTTApr 15, 2020
74RepresentativeVTRGrünecker Patent- und Rechtsanwälte PartG mbB, 80802 München, DE
74Previous representativeVTRFEpping Hermann Fischer Patentanwaltsgesellschaft mbH, 80639 München, DE
View procedures New applicant/owner details (No.: 7)
INIDCriterionFieldContent Close details
Type of procedureVARTNew applicant/owner details
Legal/procedural statusVSTNew applicant/owner details
Date of legal/procedural statusVSTTApr 17, 2020
Issue numberHN22
YearPJ2020
Publication dateVTMay 28, 2020
Type of publicationPARTBibliographic data
PartHTPart 3
71/73Applicant/ownerINHKnowles Electronics, LLC, Itasca, Ill., US
71/73Previous applicant/ownerINHFams AG, Premstätten, AT