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App. No. 18/449,458 · Confirmation No. 8925

Wide Bandgap Trench Gate Semiconductor Device with Buried Gate

Applicant: Wolfspeed, Inc.
Final Rejection Mailed View Publication ↗
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2026-06-03 CTFR Final Rejection 23 View
2026-06-03 SRFW Search information including classification, databases and other search related notes 2 View
2026-06-03 SRNT Examiner's search strategy and results 2 View
2026-04-09 A... Amendment/Request for Reconsideration-After Non-Final Rejection — View
2026-04-09 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2026-04-09 CLM Claims 4 View
2026-04-09 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2026-04-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-04-09 WFEE Fee Worksheet (SB06) 1 View
2026-01-09 CTNF Non-Final Rejection 18 View
2026-01-09 EXIN Examiner Interview Summary Record (PTOL - 413) 1 View
2026-01-09 892 List of references cited by examiner 1 View
2026-01-09 SRFW Search information including classification, databases and other search related notes 1 View
2026-01-09 1449 List of References cited by applicant and considered by examiner 1 View
2026-01-09 1449 List of References cited by applicant and considered by examiner 1 View
2026-01-09 SRNT Examiner's search strategy and results 3 View
2026-01-09 SRNT Examiner's search strategy and results 11 View
2025-11-26 ELC. Response to Election / Restriction Filed — View
2025-11-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-11-26 ELC. Response to Election / Restriction Filed 1 View
2025-11-26 CLM Claims 4 View
2025-11-26 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2025-11-26 WFEE Fee Worksheet (SB06) 1 View
2025-09-26 CTRS Requirement for Restriction/Election 8 View
2025-03-03 IDS.R197.REL ​Letter specifying the conditions for filing under 37 CFR 1.97​ — View
2025-03-03 FOR Foreign Reference 24 View
2025-03-03 FOR Foreign Reference 31 View
2025-03-03 TRAN.LET Transmittal Letter 3 View
2025-03-03 IDS Information Disclosure Statement (IDS) Form (SB08) 1 View
2025-03-03 REF.OTHER Other reference-Patent/Application/Search Documents 22 View
2025-03-03 N417 Electronic Filing System Acknowledgment Receipt 3 View
2025-02-20 NTC.PUB Notice of Publication 1 View
2023-08-24 APP.FILE.REC Filing Receipt 3 View
2023-08-24 WFEE Fee Worksheet (SB06) 1 View
2023-08-14 APP.TEXT Application body structured text document — View
2023-08-14 TRNA Transmittal of New Application — View
2023-08-14 A.PE Preliminary Amendment — View
2023-08-14 IDS.R197.REL ​Letter specifying the conditions for filing under 37 CFR 1.97​ — View
2023-08-14 OATH Oath or Declaration filed 1 View
2023-08-14 SPEC Specification 22 View
2023-08-14 CLM Claims 8 View
2023-08-14 ABST Abstract 1 View
2023-08-14 A.PE Preliminary Amendment 1 View
2023-08-14 CLM Claims 4 View
2023-08-14 TRNA Transmittal of New Application 1 View
2023-08-14 PA.. Power of Attorney 2 View
2023-08-14 136A Authorization for Extension of Time all replies 1 View
2023-08-14 LET. Miscellaneous Incoming Letter 1 View
2023-08-14 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2023-08-14 ADS Application Data Sheet 8 View
2023-08-14 TRAN.LET Transmittal Letter 3 View
2023-08-14 IDS Information Disclosure Statement (IDS) Form (SB08) 1 View
2023-08-14 N417.PYMT Electronic Fee Payment 2 View
2023-08-14 DRW Drawings-only black and white line drawings 11 View
2023-08-14 N417 Electronic Filing System Acknowledgment Receipt 5 View
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Quick Facts
App. No.
18/449,458
Filed
2023-08-14
Pub. No.
US20250063800A1
Examiner
CHEN, YU
Art Unit
2896