Prosecution Insights
Last updated: May 29, 2026

Taiwan Semiconductor Manufacturing Company Limited

52 pending office actions • 22 art units • 46 examiners • 0 of 52 (0%) have an AI response strategy ready • 211 patents granted in the last 365 days

Portfolio Summary

52
Total Pending OAs
42
Non-Final OAs
7
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 49 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

22
Overdue
1
Due this week
18
Due this month
7
Due in next 60 days
1
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. 49 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (22)Due ≤ 7 days (1)Due ≤ 30 days (18)Due ≤ 60 days (7)Due later (1)

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.

0
Hard (0%)
46
Medium (88%)
5
Easy (10%)
1
Unknown (2%)

Rejection Statute Mix

BucketCases
§103 only40 (77%)
§102 only6 (12%)
§112 only5 (10%)
No statute on record1 (2%)

Industry Mix

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

3
Life Sciences
6% of docket
2
Information Tech
4% of docket
0
Communications
0% of docket
46
Semiconductors
88% of docket
1
Mechanical / Eng
2% 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.

520 h
Manual time on pending OAs
104 h
Time saved (low, 20%)
182 h
Time saved (mid, 35%)
4.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SHAH, NEEL D 2 86.9% +7.3%
DYKES, LAURA M 2 65.3% +27.2%
JAHAN, BILKIS 2 88.5% +10.4%
BARZYKIN, VICTOR V 2 81.9% +3.8%
BULLARD-CONNOR, GENEVIEVE GRACE 2 50.0% +0.0%
DAS, PINAKI 2 92.1% +0.3%
GAMINO, CARLOS J 1 35.3% +46.0%
NGUYEN, SANG H 1 88.6% +11.8%
CHUNG, MONG-SHUNE 1 76.1% +22.3%
NGUYEN, THUKHANH T 1 74.4% +10.9%

Quick Wins (9)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18402774 PROBE HEAD FOR LOOPBACK TESTING AND METHODS OF FORMING THE SAME SHAH, NEEL D 46d overdue
18393846 COPLANARITY ASSIST UNIT, SEMICONDUCTOR TESTING APPARATUS INCLUDING THE COPLANARITY ASSIST UNIT AND METHOD OF SETTING COPLANARITY SHAH, NEEL D 32d overdue
18455698 PACKAGE STRUCTURE INCLUDING PACKAGE LID WITH A RECESS AND METHODS OF FORMING THE SAME JAHAN, BILKIS 8d overdue
18514243 SEMICONDUCTOR DIE INCLUDING FUSE STRUCTURE AND METHODS FOR FORMING THE SAME JAHAN, BILKIS 4d overdue
17830522 ENHANCED REDISTRIBUTION VIA STRUCTURE FOR RELIABILITY IMPROVEMENT IN SEMICONDUCTOR DIE PACKAGING AND METHODS FOR FORMING THE SAME DAS, PINAKI 3d overdue
18218222 SEMICONDUCTOR STRUCTURE AND FABRICATING METHOD THEREOF BARZYKIN, VICTOR V 16d
18230720 SYSTEMS FOR VISIBLE WAVELENGTH MEASUREMENT OF OVERLAY OF WAFER-ON-WAFER BONDING AND METHODS OF FORMING THE SAME BARZYKIN, VICTOR V 21d
18743329 INSPECTION TOOL FOR FIBER ARRAY UNIT (FAU) QUALITY MONITORING IN THE CO-PACKAGED OPTICS APPLICATION AND METHODS FOR INSPECTING USNG THE SAME NGUYEN, SANG H 30d

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18731672 EMERGENCY RESPONSE SYSTEM CHUNG, MONG-SHUNE 43d overdue
18789626 MATERIALS FOR SEMICONDUCTOR PACKAGE MOUNT APPLICATIONS AND METHODS OF USING THE SAME GAMINO, CARLOS J 38d overdue
18455698 PACKAGE STRUCTURE INCLUDING PACKAGE LID WITH A RECESS AND METHODS OF FORMING THE SAME JAHAN, BILKIS 8d overdue
18514243 SEMICONDUCTOR DIE INCLUDING FUSE STRUCTURE AND METHODS FOR FORMING THE SAME JAHAN, BILKIS 4d overdue
18675189 DIE EJECTOR HAVING INDEPENDENTLY ENGAGED EJECTOR RODS, METHOD OF PERFORMING DIE PICK-UP WITH THE DIE EJECTOR, AND DIE EJECTOR SYSTEM INCLUDING THE DIE EJECTOR NGUYEN, THUKHANH T 29d
18743329 INSPECTION TOOL FOR FIBER ARRAY UNIT (FAU) QUALITY MONITORING IN THE CO-PACKAGED OPTICS APPLICATION AND METHODS FOR INSPECTING USNG THE SAME NGUYEN, SANG H 30d
18538093 Semiconductor Devices Having an Electro-static Discharge Protection Structure DYKES, LAURA M 34d
18327908 FLUXLESS DIE BONDING USING IN-SITU PLASMA TREATMENT AND APPARATUS FOR EFFECTING THE SAME DYKES, LAURA M

Top Art Units

Art UnitApps
2818 7
2817 6
2893 6
2896 4
2898 4
2892 3
2899 3
2812 2
2874 2
2858 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18789626 MATERIALS FOR SEMICONDUCTOR PACKAGE MOUNT APPLICATIONS AND METHODS OF USING THE SAME GAMINO, CARLOS J 1735 §103 Non-Final OA 38d overdue Pending Jul 30, 2024
18743329 INSPECTION TOOL FOR FIBER ARRAY UNIT (FAU) QUALITY MONITORING IN THE CO-PACKAGED OPTICS APPLICATION AND METHODS FOR INSPECTING USNG THE SAME NGUYEN, SANG H 2877 §103 Non-Final OA 30d Pending Jun 14, 2024
18731672 EMERGENCY RESPONSE SYSTEM CHUNG, MONG-SHUNE 2118 §103 Non-Final OA 43d overdue Pending Jun 03, 2024
18675189 DIE EJECTOR HAVING INDEPENDENTLY ENGAGED EJECTOR RODS, METHOD OF PERFORMING DIE PICK-UP WITH THE DIE EJECTOR, AND DIE EJECTOR SYSTEM INCLUDING THE DIE EJECTOR NGUYEN, THUKHANH T 1743 §103 Non-Final OA 29d Pending May 28, 2024
18662146 DEEP TRENCH CAPACITOR INCLUDING A COMPACT CONTACT REGION AND METHODS OF FORMING THE SAME WIEGAND, TYLER J 2812 §103 Non-Final OA Pending May 13, 2024
18422479 MEMORY DEVICE WITH FLAT-TOP BOTTOM ELECTRODES AND METHODS FOR FORMING THE SAME MILLER, JAMI VALENTINE 2818 §112 Non-Final OA 35d overdue Pending Jan 25, 2024
18415751 WAFER RETAINING DEVICE NEJAD, MAHDI H 3723 §112 Non-Final OA 23d Pending Jan 18, 2024
18412021 APPARATUS AND METHOD FOR GENERATING AN OPTICAL SIGNAL RADKOWSKI, PETER 2874 §103 Non-Final OA 21d Pending Jan 12, 2024
18411068 FIBER ARRAY UNIT INCLUDING FRONT SIDE MIRROR AND METHOD OF MAKING THE SAME KIANNI, KAVEH C 2874 §103 Non-Final OA 20d Pending Jan 12, 2024
18409922 Systems and Methods for Classifying PUF Signature Modules of Integrated Circuits CATTUNGAL, DEREENA T 2431 §103 Final Rejection 28d Pending Jan 11, 2024
18402774 PROBE HEAD FOR LOOPBACK TESTING AND METHODS OF FORMING THE SAME SHAH, NEEL D 2858 §103 Non-Final OA 46d overdue Pending Jan 03, 2024
18393829 PACKAGE STRUCTURE INCLUDING A PACKAGE SUBSTRATE AND METHODS OF FORMING THE SAME NGUYEN, NIKI HOANG 2818 §103 Non-Final OA 12d Pending Dec 22, 2023
18393846 COPLANARITY ASSIST UNIT, SEMICONDUCTOR TESTING APPARATUS INCLUDING THE COPLANARITY ASSIST UNIT AND METHOD OF SETTING COPLANARITY SHAH, NEEL D 2858 §103 Non-Final OA 32d overdue Pending Dec 22, 2023
18538093 Semiconductor Devices Having an Electro-static Discharge Protection Structure DYKES, LAURA M 2892 §103 Final Rejection 34d Pending Dec 13, 2023
18526086 PACKAGE STRUCTURE INCLUDING A BACKSIDE METAL FILM ON A SEMICONDUCTOR DIE AND A THERMALLY CONDUCTIVE UNDERFILL LAYER ON THE BACKSIDE METAL FILM AND METHODS OF FORMING THE SAME HENRY, CALEB E 2818 §102 Non-Final OA 23d Pending Dec 01, 2023
18515396 SEMICONDUCTOR DEVICE AND METHOD OF MAKING TAYLOR, EARL N 2896 §102 Non-Final OA 15d Pending Nov 21, 2023
18514243 SEMICONDUCTOR DIE INCLUDING FUSE STRUCTURE AND METHODS FOR FORMING THE SAME JAHAN, BILKIS 2817 §103 Non-Final OA 4d overdue Pending Nov 20, 2023
18470557 FILM-ON-INSULATOR SUBSTRATE INCLUDING A PRE-NOTCHED FILM AND METHODS OF FORMING THE SAME PATERSON, BRIGITTE A 2896 §103 Non-Final OA 29d Pending Sep 20, 2023
18464399 SEMICONDUCTOR PACKAGE WITH LATERALLY CONFINED SUBSTRATE AND METHODS FOR FORMING THE SAME TOBERGTE, NICHOLAS J 2817 §103 Non-Final OA 26d Pending Sep 11, 2023
18455698 PACKAGE STRUCTURE INCLUDING PACKAGE LID WITH A RECESS AND METHODS OF FORMING THE SAME JAHAN, BILKIS 2817 §103 Non-Final OA 8d overdue Pending Aug 25, 2023
18230720 SYSTEMS FOR VISIBLE WAVELENGTH MEASUREMENT OF OVERLAY OF WAFER-ON-WAFER BONDING AND METHODS OF FORMING THE SAME BARZYKIN, VICTOR V 2893 §103 Non-Final OA 21d Pending Aug 07, 2023
18230756 SEMICONDUCTOR DEVICE AND METHOD OF MAKING BOATMAN, CASEY PAUL 2893 §103 Final Rejection 71d Pending Aug 07, 2023
18358341 MAGNETIC TUNNEL JUNCTION MEMORY CELL WITH A BUFFER-LAYER AND METHODS FOR FORMING THE SAME SEHAR, FAKEHA 2893 §103 Non-Final OA 34d Pending Jul 25, 2023
18357797 FIN FIELD-EFFECT TRANSISTOR AND METHOD OF FORMING THE SAME BOULGHASSOUL, YOUNES 2814 §103 Non-Final OA 36d overdue Pending Jul 24, 2023
18354680 CAPACITOR HAVING A BOTTOM CAPACITOR PLATE WITH A ROUGH UPPER SURFACE, SEMICONDUCTOR DEVICE INCLUDING THE CAPACITOR AND AND METHODS OF FORMING THE SAME VU, DAVID 2818 §103 Non-Final OA 4d overdue Pending Jul 19, 2023
18349412 SEMICONDUCTOR PACKAGE SUBSTRATE WITH STRESS BUFFER PADS AND METHODS FOR MAKING THE SAME FAN, SU JYA 2818 §103 Non-Final OA 22d overdue Pending Jul 10, 2023
18346925 SEMICONDUCTOR DEVICE INCLUDING A METAL OXIDE INTERFACE LAYER AND METHODS FOR FORMING THE SAME WARREN, MATTHEW E 2815 §103 Non-Final OA 37d overdue Pending Jul 05, 2023
18218222 SEMICONDUCTOR STRUCTURE AND FABRICATING METHOD THEREOF BARZYKIN, VICTOR V 2893 §103 Non-Final OA 16d Pending Jul 05, 2023
18206876 SEMICONDUCTOR DEVICE AND METHOD OF MAKING ZHONG, XIN Y 2855 §103 Non-Final OA 26d overdue Pending Jun 07, 2023
18327908 FLUXLESS DIE BONDING USING IN-SITU PLASMA TREATMENT AND APPARATUS FOR EFFECTING THE SAME DYKES, LAURA M 2892 §112 Final Rejection Pending Jun 02, 2023
18323481 Integrated Fan-Out Package with 3D Magnetic Core Inductor WILCZEWSKI, MARY A 2898 §112 Non-Final OA 34d Pending May 25, 2023
18321081 PHASE CHANGE MATERIAL SWITCH WITH REDUCED INSERTION LOSS AND METHODS FOR FORMING THE SAME AMER, MOUNIR S 2818 §103 Non-Final OA 15d overdue Pending May 22, 2023
18321129 PACKAGE STRUCTURE INCLUDING A PACKAGE LID HAVING A PATTERNED BOTTOM SURFACE AND METHODS OF FORMING THE SAME BULLARD-CONNOR, GENEVIEVE GRACE 2899 §103 Non-Final OA 29d overdue Pending May 22, 2023
18196070 SEMICONDUCTOR STRUCTURE AND METHOD OF MAKING JEAN BAPTISTE, WILNER 2899 §102 Non-Final OA 9d Pending May 11, 2023
18311907 THERMAL INTERFACE MATERIAL INCLUDING A MULTI-LAYER STRUCTURE AND METHODS OF FORMING THE SAME HO, ANTHONY 2817 §102 Non-Final OA 10d overdue Pending May 04, 2023
18303641 CHIP PACKAGE AND METHODS FOR FORMING THE SAME PHAM, LONG 2897 §102 Non-Final OA 26d Pending Apr 20, 2023
18126690 SEMICONDUCTOR STRUCTURE AND METHOD OF MANUFACTURE CHAN, CANDICE 2813 §103 Final Rejection 40d Pending Mar 27, 2023
18115840 PACKAGE MODULE WITH A MODULE STIFFENER AND METHODS OF FORMING THE SAME CHANG, JAY C 2817 §102 Non-Final OA 10d overdue Pending Mar 01, 2023
18110009 THERMAL INTERFACE MATERIAL LAYER PROTECTION STRUCTURES AND METHODS OF FORMING THE SAME BULLARD-CONNOR, GENEVIEVE GRACE 2899 §103 Non-Final OA 40d Pending Feb 15, 2023
18109211 BACKSIDE REFRACTION LAYER FOR BACKSIDE ILLUMINATED IMAGE SENSOR AND METHODS OF FORMING THE SAME PARENDO, KEVIN A 2896 Other Non-Final OA 15d overdue Pending Feb 13, 2023
17842672 SEMICONDUCTOR DEVICE AND METHOD OF MAKING NGUYEN, SOPHIA T 2893 §103 Non-Final OA 28d Pending Jun 16, 2022
17830522 ENHANCED REDISTRIBUTION VIA STRUCTURE FOR RELIABILITY IMPROVEMENT IN SEMICONDUCTOR DIE PACKAGING AND METHODS FOR FORMING THE SAME DAS, PINAKI 2898 §103 Non-Final OA 3d overdue Pending Jun 02, 2022
17828066 SEMICONDUCTOR PACKAGE WITH VARIABLE PILLAR HEIGHT AND METHODS FOR FORMING THE SAME DAS, PINAKI 2898 §103 Non-Final OA 34d Pending May 31, 2022
17738169 TRANSISTOR STRUCTURE HAVING REDUCED CONTACT RESISTANCE AND METHODS OF FORMING THE SAME WINTERS, SEAN AYERS 2892 §103 Non-Final OA 78d overdue Pending May 06, 2022
17735536 MULTI-INTERPOSER STRUCTURES AND METHODS OF MAKING THE SAME NGUYEN, CUONG B 2818 §103 Non-Final OA 4d overdue Pending May 03, 2022
17708348 SUBSTRATE TRENCH FOR CONTROLLING UNDERFILL FILLET AREA AND METHODS OF FORMING THE SAME DINKE, BITEW A 2812 §112 Non-Final OA 14d Pending Mar 30, 2022
17654927 SEMICONDUCTOR DEVICE AND MANUFACTURING METHODS THEREOF BELL, LAUREN R 2896 §103 Non-Final OA 1d overdue Pending Mar 15, 2022
17693534 DYNAMIC RANDOM ACCESS MEMORY DEVICES WITH ENHANCED DATA RETENTION AND METHODS OF FORMING THE SAME BAUMAN, SCOTT E 2815 §103 Non-Final OA 8d overdue Pending Mar 14, 2022
17654158 SEMICONDUCTOR DEVICE AND METHODS OF FORMATION ANDERSON, WILLIAM H 2817 §103 Final Rejection Pending Mar 09, 2022
17653780 SEMICONDUCTOR PROCESSING TOOL AND METHOD FOR PASSIVATION LAYER FORMATION AND REMOVAL NETTLES, CORALIE ANN 2893 §103 Final Rejection 54d Pending Mar 07, 2022
17647526 SEMICONDUCTOR PROCESSING TOOL AND METHOD OF OPERATION KURPLE, KARL 1717 §103 Non-Final OA 13d Pending Jan 10, 2022
17458751 SEMICONDUCTOR ARRANGEMENT AND METHOD OF MAKING ISAAC, STANETTA D 2898 §103 Non-Final OA 6d Pending Aug 27, 2021

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