Register information Patent

DE file number : 10 2020 109 742.5 (Status: pending/in force, Query started: July 2, 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 DAKZ10 2020 109 742.5
54Designation/titleTIVerfahren und Vorrichtung zum Bestimmen frequenzabhängiger Brechungsindizes
51IPC main classICM
(ICMV)		 G01N 21/41 (2006.01)
51IPC secondary class(es)ICS
(ICSV)		 G01J 3/02 (2006.01)
22DE application dateDATApr 7, 2020
43Date of first publicationOTOct 7, 2021
Date of publication of grantPETFeb 3, 2022
71/73Applicant/ownerINHHochschule Düsseldorf Körperschaft des öffentlichen Rechts, 40476 Düsseldorf, DE
72InventorINBraun, Alexander, Prof. Dr., 45149 Essen, DE
74RepresentativeVTRMichalski Hüttermann & Partner Patentanwälte mbB, 40221 Düsseldorf, DE
10Published DE documentsDEPNOriginal document: DE102020109742A1
Searchable text: DE102020109742A1
Original document: DE102020109742B4
Searchable text: DE102020109742B4
Address for service Michalski Hüttermann & Partner Patentanwälte mbB, 40221 Düsseldorf, DE
Domestic priority claimed inPRNCIPCT/EP2021/057278
50 2021 002 976.6
Due dateFT
FG		Apr 30, 2026
Annual fee for the 7th year Patent fees
Patent division in charge 58
56CitationsCT US020190094139A1 (US 2019 / 0 094 139 A1)
US000008692985B1 (US 8 692 985 B1)
56NPL citationsCTNPCALATRONI, J.; SÁINZ, C.; GUERRERO, A.L.: Multi-channelled white-light interferometry for real-time dispersion measurement. In: Optics Communications, Vol. 157, 1998, S. 202-208.
43Date of first publicationEVTOct 7, 2021
Number of official communications (office actions) 1
Number of responses 1
Date of the first transfer into DPMAregisterEREGTOct 7, 2021
Date of the (most recent) update in DPMAregisterREGTMay 9, 2025
(Show all update days)(Hide all update days)
  • May 9, 2025
    • Due date: changed
  • May 7, 2025
    • St.36: changed (technical change)
  • Aug 16, 2024
    • Domestic priority claimed in: changed
  • May 4, 2024; Apr 30, 2024; Oct 31, 2023; Oct 27, 2023; May 9, 2023; Jan 12, 2023; Dec 3, 2022; May 10, 2022; Feb 3, 2022; Jan 6, 2022; Oct 21, 2021; Oct 19, 2021
    • Historical data not available for this/these date(s)
  • Oct 7, 2021
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Pre-registration procedure The application is under preliminary examination Apr 7, 2020  Details anzeigen
2 Examination procedure Request for examination effectively filed Apr 7, 2020  Details anzeigen
3 Pre-registration procedure Pre-registration procedure has been concluded Apr 16, 2020  Details anzeigen
4 Examination procedure Official communication on examination Dec 14, 2020  Details anzeigen
5 Examination procedure Reply to official communication Jan 21, 2021  Details anzeigen
6 Publications Publication of application (Offenlegungsschrift) Oct 7, 2021 Oct 7, 2021 Details anzeigen
7 Examination procedure Decision to grant patent by Examining Section/Patent Division Oct 20, 2021  Details anzeigen
8 Publications Patent specification Feb 3, 2022 Feb 3, 2022 Details anzeigen
9 Examination procedure Grant of patent has become final Nov 4, 2022 Jan 12, 2023 Details anzeigen
View procedures Pre-registration procedure (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTThe application is under preliminary examination
Date of legal/procedural statusVSTTApr 7, 2020
Date of update of the procedureREGTOct 7, 2021
View procedures Examination procedure (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTRequest for examination effectively filed
Date of legal/procedural statusVSTTApr 7, 2020
Third party request No
Date of receiptAEGTApr 7, 2020
Date of update of the procedureREGTOct 7, 2021
View procedures Pre-registration procedure (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTPre-registration procedure has been concluded
Date of legal/procedural statusVSTTApr 16, 2020
Date of update of the procedureREGTOct 7, 2021
View procedures Examination procedure (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTOfficial communication on examination
Date of legal/procedural statusVSTTDec 14, 2020
Date of update of the procedureREGTOct 7, 2021
View procedures Examination procedure (No.: 5)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTReply to official communication
Date of legal/procedural statusVSTTJan 21, 2021
Date of update of the procedureREGTOct 7, 2021
View procedures Publications (No.: 6)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication of application (Offenlegungsschrift)
Date of legal/procedural statusVSTTOct 7, 2021
Issue numberHN40
YearPJ2021
Publication dateVTOct 7, 2021
Type of publicationPARTDocuments
PartHTPart 2
10Published DE documentsDEPNOriginal document: DE102020109742A1
Searchable text: DE102020109742A1
Date of update of the procedureREGTOct 7, 2021
View procedures Examination procedure (No.: 7)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTDecision to grant patent by Examining Section/Patent Division
Date of legal/procedural statusVSTTOct 20, 2021
Date of update of the procedureREGTOct 21, 2021
View procedures Publications (No.: 8)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPatent specification
Date of legal/procedural statusVSTTFeb 3, 2022
Issue numberHN5
YearPJ2022
Publication dateVTFeb 3, 2022
Type of publicationPARTDocuments
PartHTPart 3
10Published DE documentsDEPNOriginal document: DE102020109742B4
Searchable text: DE102020109742B4
Date of update of the procedureREGTFeb 3, 2022
View procedures Examination procedure (No.: 9)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTGrant of patent has become final
Date of legal/procedural statusVSTTNov 4, 2022
Issue numberHN2
YearPJ2023
Publication dateVTJan 12, 2023
Type of publicationPARTBibliographic data
PartHTPart 3
Date of update of the procedureREGTJan 12, 2023