Prosecution Insights
Last updated: August 17, 2026

Changxin Memory Technologies Inc.

36 pending office actions • 15 art units • 31 examiners • 0 of 36 (0%) have an AI response strategy ready • 323 patents granted in the last 365 days

Portfolio Summary

36
Total Pending OAs
10
Non-Final OAs
14
Final Rejections
12
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 18 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
0
Due this week
6
Due this month
1
Due in next 60 days
3
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 18 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 30 days (6)Due ≤ 60 days (1)Due later (3)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

11
Hard (31%)
23
Medium (64%)
2
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (3%)
§103 only20 (56%)
§102 only3 (8%)
§112 only2 (6%)
Multi-statute (no §101)10 (28%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

1
Life Sciences
3% of docket
2
Information Tech
6% of docket
0
Communications
0% of docket
33
Semiconductors
92% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

360 h
Manual time on pending OAs
72 h
Time saved (low, 20%)
126 h
Time saved (mid, 35%)
3.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RAHMAN, MOIN M 2 87.0% +14.3%
STARK, JARRETT J 2 70.5% +11.3%
SIPLING, KENNETH MARK 2 77.8% +5.0%
XU, ZHIJUN 2 77.6% +10.0%
ZHU, SHENG-BAI 2 62.3% +6.1%
PHAM, THANHHA S 1 85.3% +4.8%
CHIN, EDWARD 1 87.1% +6.8%
WELLS, JAMES STEVEN 1 90.9% -3.4%
VERDES, RICKY 1 71.9% +45.0%
LU, JIONG-PING 1 83.5% +7.9%

Quick Wins (6)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18547497 Semiconductor Structures and Methods of Forming Them LU, JIONG-PING 12d
18536586 SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING SAME PHAM, THANHHA S
18531765 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME CHIN, EDWARD
18527249 DATA SAMPLING CIRCUIT, DELAY DETECTION CIRCUIT AND MEMORY WELLS, JAMES STEVEN
18511914 SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR, AND MEMORY RAHMAN, MOIN M
18167170 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME RAHMAN, MOIN M

Hard Cases (11)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17952264 SEMICONDUCTOR STRUCTURE, STORAGE STRUCTURE AND METHOD FOR FABRICATING SAME KNUDSON, BRAD ALLAN 98d overdue
17575815 MANUFACTURING METHOD OF SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE LUKE, DANIEL M 23d overdue
17825235 METHOD AND APPARATUS FOR DEVICE SIMULATION DRAPEAU, SIMEON PAUL 17d overdue
18170522 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE BODNAR, JOHN A 4d overdue
17891618 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME XU, ZHIJUN 65d
18451565 MEMORY STRUCTURE, SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME WIEGAND, TYLER J
18446512 SEMICONDUCTOR STRUCTURE, METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE, AND SEMICONDUCTOR DEVICE LEBENTRITT, MICHAEL
18364489 MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE LI, MEIYA

Interview Candidates (7)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18448942 MEMORY AND MANUFACTURING METHOD THEREOF STARK, JARRETT J 5d overdue
17420124 SEMICONDUCTOR DEVICE STRUCTURE AND METHOD MAKING THE SAME STARK, JARRETT J 2d overdue
17891618 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME XU, ZHIJUN 65d
18510864 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME VERDES, RICKY
18511914 SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR, AND MEMORY RAHMAN, MOIN M
18167170 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME RAHMAN, MOIN M
18152202 MEMORY STRUCTURE AND MANUFACTURING METHOD THEREOF XU, ZHIJUN

Top Art Units

Art UnitApps
2898 7
2818 6
2812 3
2893 3
2897 3
2851 3
2817 2
2896 2
2825 1
1713 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18536586 SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING SAME PHAM, THANHHA S 2812 §102 Non-Final OA Pending Dec 12, 2023
18531765 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME CHIN, EDWARD 2893 §102 Non-Final OA Pending Dec 07, 2023
18527249 DATA SAMPLING CIRCUIT, DELAY DETECTION CIRCUIT AND MEMORY WELLS, JAMES STEVEN 2825 §103 Non-Final OA Pending Dec 02, 2023
18510864 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME VERDES, RICKY 2898 §103 Non-Final OA Pending Nov 16, 2023
18511914 SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR, AND MEMORY RAHMAN, MOIN M 2898 §102 Non-Final OA Pending Nov 16, 2023
18547497 Semiconductor Structures and Methods of Forming Them LU, JIONG-PING 1713 §103 Final Rejection 12d Pending Aug 22, 2023
18451565 MEMORY STRUCTURE, SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME WIEGAND, TYLER J 2812 §102§103 Non-Final OA Pending Aug 17, 2023
18451060 SEMICONDUCTOR PACKAGE STRUCTURE AND METHOD FOR PREPARING SEMICONDUCTOR PACKAGE STRUCTURE KARIMY, TIMOR 2818 §103 Final Rejection 15d Pending Aug 16, 2023
18448942 MEMORY AND MANUFACTURING METHOD THEREOF STARK, JARRETT J 2898 §103 Non-Final OA 5d overdue Pending Aug 13, 2023
18446506 THREE-DIMENSIONAL SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING SAME VALENZUELA, PATRICIA D 2812 §103 Final Rejection 14d Pending Aug 09, 2023
18446512 SEMICONDUCTOR STRUCTURE, METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE, AND SEMICONDUCTOR DEVICE LEBENTRITT, MICHAEL 2893 §103§112 Non-Final OA Pending Aug 09, 2023
18364489 MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE LI, MEIYA 2811 §102§112 Non-Final OA Pending Aug 03, 2023
17040506 A METHOD FOR MANUFACTURING A WAFER HAVING CRACK-STOPPING THROUGH-SILICON-VIAS, A WAFER HAVING CRACK-STOPPING THROUGH-SILICON-VIAS, AND A SEMICONDUCTOR DEVICE SIPLING, KENNETH MARK 2818 §103 Non-Final OA Pending Mar 27, 2023
17420124 SEMICONDUCTOR DEVICE STRUCTURE AND METHOD MAKING THE SAME STARK, JARRETT J 2898 §103 Final Rejection 2d overdue Pending Mar 27, 2023
18170522 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE BODNAR, JOHN A 2893 §103§112 Final Rejection 4d overdue Pending Feb 16, 2023
18169996 METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE MULERO FLORES, ERIC MANUEL 2898 §103§112 Final Rejection Pending Feb 16, 2023
18169839 SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING THE SAME WEGNER, AARON MICHAEL 2897 §102§103 Non-Final OA Pending Feb 15, 2023
18167170 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME RAHMAN, MOIN M 2898 §103 Non-Final OA Pending Feb 10, 2023
18166022 SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE RAHMAN, KHATIB A 2818 §102§112 Final Rejection Pending Feb 08, 2023
18164142 ESD PROTECTION CIRCUIT, ESD PROTECTION METHOD, SEMICONDUCTOR MEMORY AND ESD PROTECTION SYSTEM RODRIGUEZ VILLANU, SANDRA MILENA 2898 §103 Non-Final OA Pending Feb 03, 2023
18161088 SEMICONDUCTOR STRUCTURE, FORMING METHOD OF SAME AND MEMORY IQBAL, HAMNA FATHIMA 2817 §103 Non-Final OA Pending Jan 29, 2023
18157079 SEMICONDUCTOR STRUCTURE, PACKAGING DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE SIPLING, KENNETH MARK 2818 §103 Final Rejection 21d Pending Jan 20, 2023
18155768 DUMMY METAL FILLING METHOD AND APPARATUS, DEVICE AND MEDIUM SOUNDRANAYAGAM, RAYAPPU NMN 2851 §103 Final Rejection 1d overdue Pending Jan 18, 2023
18152202 MEMORY STRUCTURE AND MANUFACTURING METHOD THEREOF XU, ZHIJUN 2818 §103 Non-Final OA Pending Jan 10, 2023
18152191 SEMICONDUCTOR PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOF SQUIRES, BRETT STEPHEN 2899 §112 Non-Final OA Pending Jan 10, 2023
18150775 SEMICONDUCTOR STRUCTURE WITH GERMANIUM-SILICON/POLYSILICON HYBRID GATE AND METHOD FOR FABRICATING SAME GARCES, NELSON Y 2814 §103 Non-Final OA 88d overdue Pending Jan 05, 2023
18149210 PATTERNING METHOD AND METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE PARENDO, KEVIN A 2896 §112 Final Rejection 15d Pending Jan 03, 2023
17936838 WIRING QUALITY TEST METHOD AND APPARATUS AND STORAGE MEDIUM ALAWDI, ANWER AHMED 2851 §103 Final Rejection Pending Sep 29, 2022
17936848 SEMICONDUCTOR DEVICE AND METHOD FOR FORMING SAME ZHU, SHENG-BAI 2897 §103 Final Rejection 28d Pending Sep 29, 2022
17952264 SEMICONDUCTOR STRUCTURE, STORAGE STRUCTURE AND METHOD FOR FABRICATING SAME KNUDSON, BRAD ALLAN 2817 §102§103 Non-Final OA 98d overdue Pending Sep 25, 2022
17933940 SEMICONDJUCTOR STRUCTURE WITHBITLINEPOSITIONEDABOVE TRANSISTOR ANT) FORMING METHOD THEREOF ZHU, SHENG-BAI 2897 §103 Non-Final OA 41d Pending Sep 21, 2022
17891618 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME XU, ZHIJUN 2818 §103§112 Non-Final OA 65d Pending Aug 19, 2022
17812743 METHOD OF CIRCUIT SIMULATION, TEST APPARATUS, ELECTRONIC DEVICE, AND MEDIUM CHAVEZ, ANTHONY RAY 2186 §103 Final Rejection 72d Pending Jul 15, 2022
17825235 METHOD AND APPARATUS FOR DEVICE SIMULATION DRAPEAU, SIMEON PAUL 2188 §101§103§112 Non-Final OA 17d overdue Pending May 26, 2022
17655612 SIMULATION METHOD AND APPARATUS, COMPUTER DEVICE AND STORAGE MEDIUM LIN, ARIC 2851 §103 Final Rejection 78d Pending Mar 21, 2022
17575815 MANUFACTURING METHOD OF SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE LUKE, DANIEL M 2896 §102§103§112 Non-Final OA 23d overdue Pending Jan 14, 2022

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