Register information Patent

DE file number : 10 2011 077 769.5 (Status: pending/in force, Query started: August 15, 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 2011 077 769.5
54	Designation/title	TI	Spannungsspitzenschutz für Leistungs-DMOS-Vorrichtungen
51	IPC main class	ICM (ICMV)	H01L 23/62 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	H10D 30/60 (2025.01), H01L 25/16 (2023.01)
22	DE application date	DAT	Jun 17, 2011
43	Date of first publication	OT	Dec 22, 2011
	Date of publication of grant	PET	Jul 4, 2019
71/73	Applicant/owner	INH	Wolfspeed, Inc., Durham, NC, US
72	Inventor	IN	Brech, Helmut, 93098 Mintraching, DE; Blair, Cynthia, Morgan Hill, Calif., US
74	Representative	VTR	Schoppe, Zimmermann, Stöckeler, Zinkler, Schenk & Partner mbB Patentanwälte, 81373 München, DE
10	Published DE documents	DEPN	Original document: DE102011077769A1 Searchable text: DE102011077769A1 Original document: DE102011077769B4 Searchable text: DE102011077769B4
	Address for service		Schoppe, Zimmermann, Stöckeler, Zinkler, Schenk & Partner mbB Patentanwälte, 81373 München, DE
33 31 32	Foreign priority	PRC PRNA PRDA	US 12/817,869 Jun 17, 2010
	Due date	FT FG	Jun 30, 2026 Annual fee for the 16th year Patent fees
	Patent division in charge		33
62	Free division/divided out on the grounds of lack of unity in file number	TIAKZ	10 2011 123 096.7
56	Citations	CT	US000005999058A (US 5 999 058 A) US000007372334B2 (US 7 372 334 B2) US000003935479A (US 3 935 479 A) US000005604655A (US 5 604 655 A)
43	Date of first publication	EVT	Dec 22, 2011
	Number of official communications (office actions)		2
	Number of responses		2
	Date of the first transfer into DPMAregister	EREGT	Dec 22, 2011
	Date of the (most recent) update in DPMAregister	REGT	Jul 8, 2025 (Show all update days)(Hide all update days) Jul 8, 2025 Due date: changed Jan 2, 2025 Procedures: New applicant/owner details, New applicant/owner details, 27.11.2024: changed Nov 28, 2024 IPC secondary class(es): changed Applicant/owner: changed Procedures: New applicant/owner details, New applicant/owner details, 27.11.2024: new Aug 5, 2024 St.36: changed (technical change) Dec 22, 2011 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	Jun 17, 2011		Details anzeigen
2	Examination procedure	Request for examination effectively filed	Jun 17, 2011		Details anzeigen
3	Pre-registration procedure	Pre-registration procedure has been concluded	Aug 22, 2011		Details anzeigen
4	Publications	Publication of application (Offenlegungsschrift)	Dec 22, 2011	Dec 22, 2011	Details anzeigen
5	Examination procedure	Official communication on examination	Oct 24, 2013		Details anzeigen
6	Examination procedure	Reply to official communication	Apr 7, 2014		Details anzeigen
7	New applicant/owner details	New applicant/owner details	Jun 5, 2018	Jul 12, 2018	Details anzeigen
8	Examination procedure	Official communication on examination	Jan 16, 2019		Details anzeigen
9	Examination procedure	Reply to official communication	Feb 28, 2019		Details anzeigen
10	Administrative procedure	Divisional application (free division or divided out on the grounds of lack of unity) new file	Feb 28, 2019	Apr 11, 2019	Details anzeigen
11	Examination procedure	Decision to grant patent by Examining Section/Patent Division	Mar 26, 2019		Details anzeigen
12	Publications	Patent specification	Jul 4, 2019	Jul 4, 2019	Details anzeigen
13	Examination procedure	Grant of patent has become final	Apr 7, 2020	Jun 18, 2020	Details anzeigen
14	New applicant/owner details	New applicant/owner details	Nov 27, 2024	Jan 2, 2025	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	Jun 17, 2011

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	Jun 17, 2011
Third party request		No
Date of receipt	AEGT	Jun 17, 2011

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	Aug 22, 2011

View procedures Publications (No.: 4)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Publication of application (Offenlegungsschrift)
	Date of legal/procedural status	VSTT	Dec 22, 2011
	Issue number	HN	51
	Year	PJ	2011
	Publication date	VT	Dec 22, 2011
	Type of publication	PART	Documents
	Part	HT	Part 2
10	Published DE documents	DEPN	Original document: DE102011077769A1 Searchable text: DE102011077769A1

View procedures Examination procedure (No.: 5)
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	Oct 24, 2013

View procedures Examination procedure (No.: 6)
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	Apr 7, 2014

View procedures New applicant/owner details (No.: 7)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New applicant/owner details
	Legal/procedural status	VST	New applicant/owner details
	Date of legal/procedural status	VSTT	Jun 5, 2018
	Issue number	HN	28
	Year	PJ	2018
	Publication date	VT	Jul 12, 2018
	Type of publication	PART	Bibliographic data
	Part	HT	Part 2
71/73	Applicant/owner	INH	Cree, Inc., Durham, N.C., US
71/73	Previous applicant/owner	INHF	Infineon Technologies AG, 85579 Neubiberg, DE

View procedures Examination procedure (No.: 8)
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	Jan 16, 2019

View procedures Examination procedure (No.: 9)
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	Feb 28, 2019

View procedures Administrative procedure (No.: 10)
Criterion	Field	Content Close details
Type of procedure	VART	Administrative procedure
Legal/procedural status	VST	Divisional application (free division or divided out on the grounds of lack of unity) new file
Date of legal/procedural status	VSTT	Feb 28, 2019
Issue number	HN	15
Year	PJ	2019
Publication date	VT	Apr 11, 2019
Type of publication	PART	Bibliographic data
Part	HT	Part 2

View procedures Examination procedure (No.: 11)
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	Mar 26, 2019

View procedures Publications (No.: 12)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Patent specification
	Date of legal/procedural status	VSTT	Jul 4, 2019
	Issue number	HN	27
	Year	PJ	2019
	Publication date	VT	Jul 4, 2019
	Type of publication	PART	Documents
	Part	HT	Part 3
10	Published DE documents	DEPN	Original document: DE102011077769B4 Searchable text: DE102011077769B4

View procedures Examination procedure (No.: 13)
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	Apr 7, 2020
Issue number	HN	25
Year	PJ	2020
Publication date	VT	Jun 18, 2020
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures New applicant/owner details (No.: 14)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New applicant/owner details
	Legal/procedural status	VST	New applicant/owner details
	Date of legal/procedural status	VSTT	Nov 27, 2024
	Issue number	HN	1
	Year	PJ	2025
	Publication date	VT	Jan 2, 2025
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
71/73	Applicant/owner	INH	Wolfspeed, Inc., Durham, NC, US
71/73	Previous applicant/owner	INHF	Cree, Inc., Durham, N.C., US
	Date of update of the procedure	REGT	Jan 2, 2025