Register information Patent

DE file number : 10 2021 126 656.4 (Status: pending/in force, Query started: August 30, 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
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Pending/in force
21	DE file number	DAKZ	10 2021 126 656.4
54	Designation/title	TI	Verfahren zur Laugung von metallhaltigen Erzen mittels Mikroorganismen
51	IPC main class	ICM (ICMV)	E21C 41/22 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	C22B 3/18 (2006.01)
22	DE application date	DAT	Oct 14, 2021
43	Date of first publication	OT	Mar 30, 2023
	Date of publication of grant	PET	Mar 30, 2023
71/73	Applicant/owner	INH	Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts, 09599 Freiberg, DE
72	Inventor	IN	Schlömann, Michael, Prof.-Dr., 09599 Freiberg, DE; Mischo, Helmut, Prof. Dr., 09599 Freiberg, DE; Krichler, Tobias, 09599 Freiberg, DE; Repke, Jens-Uwe, Prof. Dr., 09599 Freiberg, DE; Haseneder, Roland, Dr. rer. nat., 09599 Freiberg, DE; Werner, Arite, Dr., 09599 Freiberg, DE; Schlüter, Ralf, 09599 Freiberg, DE; Eisen, Nadja, 09599 Freiberg, DE; Schopf, Simone, Dr., 09599 Freiberg, DE
10	Published DE documents	DEPN	Original document: DE102021126656B3 Searchable text: DE102021126656B3
	Address for service		Technische Universität Bergakademie Freiberg, 09599 Freiberg, DE
	Due date	FT FG	Oct 31, 2026 Annual fee for the 6th year Patent fees
	Patent division in charge		24
56	Citations	CT	US000004080419A (US 4 080 419 A) US000003841705A (US 3 841 705 A) US000003278233A (US 3 278 233 A)
56	NPL citations	CTNP	SCHLÜTER, Ralf ; MISCHO, Helmut: In situ bioleaching of polymetallic sulphide ores – conditioning methods for enhanced permeability in crystalline rock formations. In: GeoResources Journal: Journal for Resources, Mining, Tunnelling, Geotechnics and Equipment, 2018, No. 1, S. 40-46. - ISSN 2364-8422 (P); 2364-8430 (E)
43	Date of first publication	EVT	Mar 30, 2023
	Number of official communications (office actions)		1
	Number of responses		1
	Date of the first transfer into DPMAregister	EREGT	Mar 30, 2023
	Date of the (most recent) update in DPMAregister	REGT	May 22, 2025 (Show all update days)(Hide all update days) May 22, 2025 St.36: changed (technical change) Aug 14, 2024 St.36: changed (technical change) Mar 30, 2023 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Publication date	Alle Details anzeigen
1	Pre-registration procedure	The application is under preliminary examination	Oct 14, 2021		Details anzeigen
2	Examination procedure	Request for examination effectively filed	Oct 14, 2021		Details anzeigen
3	Pre-registration procedure	Pre-registration procedure has been concluded	Oct 22, 2021		Details anzeigen
4	Examination procedure	Official communication on examination	Aug 23, 2022		Details anzeigen
5	Examination procedure	Reply to official communication	Dec 16, 2022		Details anzeigen
6	Examination procedure	Decision to grant patent by Examining Section/Patent Division	Dec 22, 2022		Details anzeigen
7	Publications	Patent specification	Mar 30, 2023	Mar 30, 2023	Details anzeigen
8	Examination procedure	Grant of patent has become final	Jan 3, 2024	Mar 7, 2024	Details anzeigen
9	New representative details	New representative details	Feb 19, 2024		Details anzeigen

View procedures Pre-registration procedure (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	The application is under preliminary examination
Date of legal/procedural status	VSTT	Oct 14, 2021
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Examination procedure (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Request for examination effectively filed
Date of legal/procedural status	VSTT	Oct 14, 2021
Third party request		No
Date of receipt	AEGT	Oct 14, 2021
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Pre-registration procedure (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	Pre-registration procedure has been concluded
Date of legal/procedural status	VSTT	Oct 22, 2021
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Examination procedure (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Official communication on examination
Date of legal/procedural status	VSTT	Aug 23, 2022
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Examination procedure (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Reply to official communication
Date of legal/procedural status	VSTT	Dec 16, 2022
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Examination procedure (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Decision to grant patent by Examining Section/Patent Division
Date of legal/procedural status	VSTT	Dec 22, 2022
Date of update of the procedure	REGT	Mar 30, 2023

View procedures Publications (No.: 7)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Patent specification
	Date of legal/procedural status	VSTT	Mar 30, 2023
	Issue number	HN	13
	Year	PJ	2023
	Publication date	VT	Mar 30, 2023
	Type of publication	PART	Documents
	Part	HT	Part 3
10	Published DE documents	DEPN	Original document: DE102021126656B3 Searchable text: DE102021126656B3
	Date of update of the procedure	REGT	Mar 30, 2023

View procedures Examination procedure (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Examination procedure
Legal/procedural status	VST	Grant of patent has become final
Date of legal/procedural status	VSTT	Jan 3, 2024
Issue number	HN	10
Year	PJ	2024
Publication date	VT	Mar 7, 2024
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Feb 20, 2024

View procedures New representative details (No.: 9)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New representative details
	Legal/procedural status	VST	New representative details
	Date of legal/procedural status	VSTT	Feb 19, 2024
74	Representative	VTR	No representative appointed
74	Previous representative	VTRF	Kailuweit & Uhlemann Patentanwälte Partnerschaft mbB, 01187 Dresden, DE
	Date of update of the procedure	REGT	Feb 20, 2024