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App. No. 18/537,427 · Confirmation No. 6904

Substrates for Power Semiconductor Devices

Applicant: Wolfspeed, Inc.
Final Rejection Mailed View Publication ↗
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2026-06-29 CTFR Final Rejection 13 View
2026-06-29 892 List of references cited by examiner 1 View
2026-06-29 SRFW Search information including classification, databases and other search related notes 2 View
2026-06-29 SRNT Examiner's search strategy and results 28 View
2026-05-15 DRW.SUPP Drawings-black and white line and/or other drawings — View
2026-05-15 A... Amendment/Request for Reconsideration-After Non-Final Rejection — View
2026-05-15 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2026-05-15 SPEC Specification 1 View
2026-05-15 ABST Abstract 1 View
2026-05-15 CLM Claims 3 View
2026-05-15 REM Applicant Arguments/Remarks Made in an Amendment 7 View
2026-05-15 SPEC Specification 43 View
2026-05-15 SPEC Specification 43 View
2026-05-15 N417 Electronic Filing System Acknowledgment Receipt 3 View
2026-05-15 DRW Drawings-only black and white line drawings 11 View
2026-05-15 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
2026-05-15 WFEE Fee Worksheet (SB06) 1 View
2026-02-18 CTNF Non-Final Rejection 12 View
2026-02-18 892 List of references cited by examiner 1 View
2026-02-18 SRFW Search information including classification, databases and other search related notes 2 View
2026-02-18 SRNT Examiner's search strategy and results 1 View
2026-02-18 1449 List of References cited by applicant and considered by examiner 1 View
2026-02-18 SRNT Examiner's search strategy and results 21 View
2026-02-18 1449 List of References cited by applicant and considered by examiner 1 View
2026-01-28 IDS.R197.REL ​Letter specifying the conditions for filing under 37 CFR 1.97​ — View
2026-01-28 N417 Electronic Filing System Acknowledgment Receipt 3 View
2026-01-28 REF.OTHER Other reference-Patent/Application/Search Documents 16 View
2026-01-28 FOR Foreign Reference 35 View
2026-01-28 IDS.R197.REL ​Letter specifying the conditions for filing under 37 CFR 1.97​ 3 View
2026-01-28 IDS Information Disclosure Statement (IDS) Form (SB08) 1 View
2025-06-13 NTC.PUB Notice of Publication 1 View
2023-12-27 WFEE Fee Worksheet (SB06) 1 View
2023-12-27 APP.FILE.REC Filing Receipt 3 View
2023-12-27 WELCOME.LET Welcome Letter from USPTO Director and Deputy Director 1 View
2023-12-14 A.PE Preliminary Amendment — View
2023-12-14 A.PE Preliminary Amendment 1 View
2023-12-14 SPEC Specification 1 View
2023-12-14 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2023-12-14 TRAN.LET Transmittal Letter 1 View
2023-12-14 N417 Electronic Filing System Acknowledgment Receipt 3 View
2023-12-12 APP.TEXT Application body structured text document — View
2023-12-12 A.PE Preliminary Amendment — View
2023-12-12 IDS.R197.REL ​Letter specifying the conditions for filing under 37 CFR 1.97​ — View
2023-12-12 TRNA Transmittal of New Application — View
2023-12-12 TRAN.LET Transmittal Letter 3 View
2023-12-12 IDS Information Disclosure Statement (IDS) Form (SB08) 1 View
2023-12-12 N417 Electronic Filing System Acknowledgment Receipt 5 View
2023-12-12 OATH Oath or Declaration filed 1 View
2023-12-12 SPEC Specification 43 View
2023-12-12 CLM Claims 10 View
2023-12-12 ABST Abstract 1 View
2023-12-12 DRW Drawings-only black and white line drawings 10 View
2023-12-12 TRNA Transmittal of New Application 1 View
2023-12-12 PA.. Power of Attorney 2 View
2023-12-12 136A Authorization for Extension of Time all replies 1 View
2023-12-12 TRAN.LET Transmittal Letter 1 View
2023-12-12 FOR Foreign Reference 1 View
2023-12-12 N417.PYMT Electronic Fee Payment 2 View
2023-12-12 A.PE Preliminary Amendment 1 View
2023-12-12 CLM Claims 3 View
2023-12-12 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2023-12-12 ADS Application Data Sheet 8 View
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Quick Facts
App. No.
18/537,427
Filed
2023-12-12
Pub. No.
US20250194190A1
Art Unit
2812