Register information Patent

DE file number : 50 2020 002 880.5 (Status: pending/in force, Query started: September 26, 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	50 2020 002 880.5
96	EP file number	EAKZ	20 76 0910.8
86	WO file number	WAKZ	PCT/IB2020/057263
97	EP publication number	EPN	3997741
87	WO publication number	WPN	2021044232
54	Designation/title	TI	RÜCKSEITENEMITTER-SOLARZELLENSTRUKTUR MIT EINEM HETEROÜBERGANG SOWIE VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG DERSELBEN
51	IPC main class	ICM (ICMV)	H10F 10/166 (2025.01)
51	IPC secondary class(es)	ICS (ICSV)	H10F 71/00 (2025.01)
22	DE application date	DAT	Jul 31, 2020
96	EP application date	EAT	Jul 31, 2020
86	WO application date	WAT	Jul 31, 2020
43	Date of first publication	OT	Mar 11, 2021
	Date of publication of grant	PET	Mar 29, 2023
71/73	Applicant/owner	INH	Meyer Burger (Germany) GmbH, 09337 Hohenstein-Ernstthal, DE
72	Inventor	IN	ZHAO, Jun, 2562 Port, CH; KÖNIG, Marcel, 09130 Chemnitz, DE
	Address for service		VALIPAT, 1050 Brussels, BE
66 66	Domestic priority	PRN PRD	10 2019 123 785.8 Sep 5, 2019
	Due date	FT FG	Jul 31, 2026 Annual fee for the 7th year Patent fees
	Patent division in charge		33
97	EP language of publication	ELANG	DE - Deutsch
84	Designated EP contracting states	EDS	AL, 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 documents	EPWOPN	Original document: EP000003997741A1 Searchable text: EP000003997741A1 Original document: EP000003997741B1 Searchable text: EP000003997741B1 Original document: WO002021044232 Searchable text: WO002021044232
43	Date of first publication	EVT	Mar 11, 2021
	Date of the first transfer into DPMAregister	EREGT	May 18, 2022
	Date of the (most recent) update in DPMAregister	REGT	Aug 12, 2025 (Show all update days)(Hide all update days) Aug 12, 2025 Due date: changed Aug 7, 2025 Procedures: Procedure relating to EP application, EPO publication of mention of grant , 29.03.2023: new Procedures: Procedure relating to EP application, EPO publication of mention of grant , 29.03.2023: deleted Jan 2, 2025 IPC main class: changed IPC secondary class(es): changed Procedures: Change of classification, Change of IPC main class, 22.11.2024: new Oct 18, 2024 Address for service: changed Aug 9, 2024 Due date: changed Jul 25, 2024 St.36: changed (technical change) Jun 6, 2024; Jan 18, 2024; Jan 4, 2024; Aug 3, 2023; Jul 1, 2023; Apr 13, 2023; Mar 7, 2023; Mar 6, 2023 Historical data not available for this/these date(s) May 18, 2022 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	Procedure relating to PCT application	WO publication	Mar 11, 2021		Details anzeigen
2	Procedure relating to EP application	EPO 1st publication	May 18, 2022		Details anzeigen
3	Publications	Publication of a mention regarding EP 1st publication by DPMA	Jun 30, 2022	Jun 30, 2022	Details anzeigen
4	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Mar 29, 2023		Details anzeigen
5	Publications	Publication by DPMA of mention regarding EP patent grant	Apr 13, 2023	Apr 13, 2023	Details anzeigen
6	Opposition procedure	Opposition to patent filed	Dec 18, 2023	Feb 8, 2024	Details anzeigen
7	Change of classification	Change of IPC main class	Nov 22, 2024	Jan 2, 2025	Details anzeigen

View procedures Procedure relating to PCT application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO publication
Date of legal/procedural status	VSTT	Mar 11, 2021
Date of update of the procedure	REGT	Mar 6, 2023

View procedures Procedure relating to EP application (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO 1st publication
Date of legal/procedural status	VSTT	May 18, 2022
Date of update of the procedure	REGT	May 18, 2022

View procedures Publications (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural status	VSTT	Jun 30, 2022
Issue number	HN	26
Year	PJ	2022
Publication date	VT	Jun 30, 2022
Type of publication	PART	Bibliographic data
Date of update of the procedure	REGT	May 18, 2022

View procedures Procedure relating to EP application (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural status	VSTT	Mar 29, 2023
Date of update of the procedure	REGT	Aug 7, 2025

View procedures Publications (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication by DPMA of mention regarding EP patent grant
Date of legal/procedural status	VSTT	Apr 13, 2023
Issue number	HN	15
Year	PJ	2023
Publication date	VT	Apr 13, 2023
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Apr 13, 2023

View procedures Opposition procedure (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Opposition to patent filed
Date of legal/procedural status	VSTT	Dec 18, 2023
Issue number	HN	6
Year	PJ	2024
Publication date	VT	Feb 8, 2024
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Jan 18, 2024

View procedures Change of classification (No.: 7)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Nov 22, 2024
	Issue number	HN	1
	Year	PJ	2025
	Publication date	VT	Jan 2, 2025
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
51	IPC main class	ICM (ICMV)	H10F 10/166 (2025.01)
51	Previous IPC main class	ICMF (ICMVF)	H01L 31/0747 (2012.01)
	Date of update of the procedure	REGT	Jan 2, 2025