Prosecution Insights
Last updated: August 15, 2026

Tsmc China Company Limited

9 pending office actions • 5 art units • 8 examiners • 0 of 9 (0%) have an AI response strategy ready • 18 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
7
Non-Final OAs
1
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

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.

3
Hard (33%)
6
Medium (67%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (44%)
§102 only2 (22%)
Multi-statute (no §101)3 (33%)

Industry Mix

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

1
Life Sciences
11% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
5
Semiconductors
56% of docket
0
Mechanical / Eng
0% of docket
3
Business / Other
33% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHO, SUNG IL 2 91.3% +8.6%
YANG, HAN 1 92.1% +11.6%
ZHU, SHENG-BAI 1 62.3% +6.1%
LEE, DOUGLAS 1 45.0% +13.5%
WIEGAND, TYLER J 1 74.7% +9.8%
MICHAUD, NICHOLAS BRIAN 1 74.1% +30.6%
CIESLEWICZ, ANETA B 1 66.7% -0.1%
OZDEN, ILKER NMN 1 83.8% +24.0%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18973630 TIMING CONTROL CIRCUIT OF MEMORY DEVICE WITH TRACKING WORD LINE AND TRACKING BIT LINE CHO, SUNG IL
18949858 MEMORY DEVICE YANG, HAN
17694088 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF OZDEN, ILKER NMN

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18973508 TIMING CONTROL CIRCUIT OF MEMORY DEVICE WITH TRACKING WORD LINE AND TRACKING BIT LINE CHO, SUNG IL
18595016 LATERAL DIFFUSED SEMICONDUCTOR DEVICE AND FORMING METHOD THEREOF ZHU, SHENG-BAI
18435511 INTEGRATED CIRCUIT AND METHOD FOR FORMING THE SAME WIEGAND, TYLER J

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18447737 METHOD OF MAKING SEMICONDUCTOR DEVICE HAVING BURIED BIAS PAD MICHAUD, NICHOLAS BRIAN 16d overdue
18949858 MEMORY DEVICE YANG, HAN
18582100 POSITION DETECTION SYSTEM AND OPERATING METHOD THEREOF LEE, DOUGLAS
17694088 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF OZDEN, ILKER NMN

Top Art Units

Art UnitApps
2812 2
2897 1
1714 1
2818 1
2893 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18973508 TIMING CONTROL CIRCUIT OF MEMORY DEVICE WITH TRACKING WORD LINE AND TRACKING BIT LINE CHO, SUNG IL §103§112Other Non-Final OA Pending Dec 09, 2024
18973630 TIMING CONTROL CIRCUIT OF MEMORY DEVICE WITH TRACKING WORD LINE AND TRACKING BIT LINE CHO, SUNG IL §103Other Non-Final OA Pending Dec 09, 2024
18949858 MEMORY DEVICE YANG, HAN §102 Non-Final OA Pending Nov 15, 2024
18595016 LATERAL DIFFUSED SEMICONDUCTOR DEVICE AND FORMING METHOD THEREOF ZHU, SHENG-BAI 2897 §102§103 Non-Final OA Pending Mar 04, 2024
18582100 POSITION DETECTION SYSTEM AND OPERATING METHOD THEREOF LEE, DOUGLAS 1714 §102 Non-Final OA Pending Feb 20, 2024
18435511 INTEGRATED CIRCUIT AND METHOD FOR FORMING THE SAME WIEGAND, TYLER J 2812 §102§112 Non-Final OA Pending Feb 07, 2024
18447737 METHOD OF MAKING SEMICONDUCTOR DEVICE HAVING BURIED BIAS PAD MICHAUD, NICHOLAS BRIAN 2818 §103 Final Rejection 16d overdue Pending Aug 10, 2023
17884437 DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME CIESLEWICZ, ANETA B 2893 §103 Non-Final OA Pending Aug 09, 2022
17694088 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF OZDEN, ILKER NMN 2812 §103Other Non-Final OA Pending Mar 14, 2022

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