Prosecution Insights
Last updated: August 16, 2026

Ngk Insulators Ltd.

67 pending office actions • 29 art units • 62 examiners • 0 of 67 (0%) have an AI response strategy ready • 169 patents granted in the last 365 days

Portfolio Summary

67
Total Pending OAs
43
Non-Final OAs
19
Final Rejections
5
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 16 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

9
Overdue
1
Due this week
3
Due this month
2
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. 16 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (9)Due ≤ 7 days (1)Due ≤ 30 days (3)Due ≤ 60 days (2)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.

21
Hard (31%)
37
Medium (55%)
9
Easy (13%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only29 (43%)
§102 only6 (9%)
§112 only6 (9%)
Double-patenting only3 (4%)
Double-patenting + other2 (3%)
Multi-statute (no §101)21 (31%)

Industry Mix

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

26
Life Sciences
39% of docket
0
Information Tech
0% of docket
1
Communications
1% of docket
5
Semiconductors
7% of docket
10
Mechanical / Eng
15% of docket
25
Business / Other
37% 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.

670 h
Manual time on pending OAs
134 h
Time saved (low, 20%)
234 h
Time saved (mid, 35%)
5.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
GAMBLE JR, RANDALL LEE 3 50.0% +25.8%
WILSON, GREGORY A 2 81.9% +6.7%
MATHEW, ISWARYA 2
GATES, ERIC ANDREW 2 78.9% +14.2%
PIERORAZIO, JILLIAN KUTCH 1 58.3% +34.0%
NGUYEN, HUNG 1 90.8% +8.9%
SHAIKH, MERAJ A 1 57.7% +22.2%
TRA, ANH QUAN 1 72.8% +5.4%
COMBER, KEVIN J 1 82.6% +11.8%
QIAN, SHIZHI 1 61.3% +49.6%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
19082502 EUV TRANSMISSIVE MEMBRANE, PELLICLE, AND EXPOSURE METHOD NGUYEN, HUNG
18731575 HEAT TREATMENT SYSTEM WILSON, GREGORY A

Hard Cases (21)

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
18147251 REFINING METHOD HAVLIN, ROBERT H 29d overdue
17360498 CATALYST MEMBER AND REACTOR KUMAR, SRILAKSHMI K 26d overdue
18342810 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS PAIK, SANG YEOP 6d
18663219 SYSTEM FOR SUPPORTING REUSE OF LITHIUM-ION SECONDARY BATTERY CHEN, XUEMEI G 33d
18331256 HEATING FURNACE WILSON, GREGORY A 78d
19259261 MESH STRUCTURE AND METHOD FOR MANUFACTURING SAME, ANTENNA REFLECTION MIRROR, ELECTROMAGNETIC SHIELDING MATERIAL, AND WAVEGUIDE TUBE PIERORAZIO, JILLIAN KUTCH
19071970 AIR CONDITIONING SYSTEM SHAIKH, MERAJ A
19023830 WAVEGUIDE DEVICE TRA, ANH QUAN

Interview Candidates (9)

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
18602469 SENSOR ELEMENT GAMBLE JR, RANDALL LEE 5d overdue
18602459 SENSOR ELEMENT GAMBLE JR, RANDALL LEE 5d overdue
19259261 MESH STRUCTURE AND METHOD FOR MANUFACTURING SAME, ANTENNA REFLECTION MIRROR, ELECTROMAGNETIC SHIELDING MATERIAL, AND WAVEGUIDE TUBE PIERORAZIO, JILLIAN KUTCH
19071970 AIR CONDITIONING SYSTEM SHAIKH, MERAJ A
18999047 WAFER PLACEMENT TABLE COMBER, KEVIN J
18953551 SENSOR ELEMENT AND GAS SENSOR QIAN, SHIZHI
18056802 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS GATES, ERIC ANDREW
18048967 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS GATES, ERIC ANDREW

Top Art Units

Art UnitApps
3761 5
1795 3
1784 2
3763 2
1788 2
1777 2
1727 2
1794 2
3722 2
2843 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19259261 MESH STRUCTURE AND METHOD FOR MANUFACTURING SAME, ANTENNA REFLECTION MIRROR, ELECTROMAGNETIC SHIELDING MATERIAL, AND WAVEGUIDE TUBE PIERORAZIO, JILLIAN KUTCH 1784 §103§112 Non-Final OA Pending Jul 03, 2025
19082502 EUV TRANSMISSIVE MEMBRANE, PELLICLE, AND EXPOSURE METHOD NGUYEN, HUNG DP Non-Final OA Pending Mar 18, 2025
19071970 AIR CONDITIONING SYSTEM SHAIKH, MERAJ A §102§103 Non-Final OA Pending Mar 06, 2025
19023830 WAVEGUIDE DEVICE TRA, ANH QUAN 2843 §103§112 Non-Final OA Pending Jan 16, 2025
18999047 WAFER PLACEMENT TABLE COMBER, KEVIN J §102§103 Non-Final OA Pending Dec 23, 2024
18953551 SENSOR ELEMENT AND GAS SENSOR QIAN, SHIZHI §103§112DP Non-Final OA Pending Nov 20, 2024
18926473 GAS SENSOR PHAN, TRUONG D §112 Non-Final OA Pending Oct 25, 2024
18801894 CERAMIC BASE MATERIAL, CERAMIC SUPPORT, AND SEPARATION MEMBRANE COMPLEX POPOVICS, ROBERT J §112 Non-Final OA Pending Aug 13, 2024
18783626 VEHICLE AIR CONDITIONING SYSTEM CRENSHAW, HENRY T 3763 §112 Non-Final OA Pending Jul 25, 2024
18782131 VEHICLE AIR CONDITIONING SYSTEM SPAMER, DONALD R §112 Non-Final OA Pending Jul 24, 2024
18770840 MOISTURE ABSORBING DEVICE FOR DEHUMIDIFIER AND DEHUMIDIFIER BUTT, AMMAD WASEEM §103§112 Non-Final OA Pending Jul 12, 2024
18754464 GROUP III ELEMENT NITRIDE SEMICONDUCTOR SUBSTRATE, EPITAXIAL SUBSTRATE, AND FUNCTIONAL ELEMENT RIRIE, EVERETT TRAJAN §103 Non-Final OA Pending Jun 26, 2024
18751540 GROUP III ELEMENT NITRIDE SEMICONDUCTOR SUBSTRATE AND BONDED SUBSTRATE XU, ZHIJUN §103 Non-Final OA Pending Jun 24, 2024
18739443 WAVELENGTH CONVERSION DEVICE AND WAVELENGTH CONVERSION SYSTEM PEACE, RHONDA S §102 Non-Final OA Pending Jun 11, 2024
18734055 HEAT TREATMENT FURNACE WOLFORD, KURT JOSEPH §102§103 Non-Final OA Pending Jun 05, 2024
18731575 HEAT TREATMENT SYSTEM WILSON, GREGORY A §102 Non-Final OA Pending Jun 03, 2024
18675495 SAGGAR GIORDANO, MICHAEL JAMES §103 Non-Final OA Pending May 28, 2024
18663219 SYSTEM FOR SUPPORTING REUSE OF LITHIUM-ION SECONDARY BATTERY CHEN, XUEMEI G 2661 §103§112 Non-Final OA 33d Pending May 14, 2024
18646910 METHOD FOR RECYCLING LITHIUM-ION SECONDARY BATTERY MATHEW, ISWARYA 1788 §103Other Final Rejection 14d Pending Apr 26, 2024
18635191 HONEYCOMB FILTER OMORI, MARY I 1784 §103 Final Rejection 2d overdue Pending Apr 15, 2024
18602469 SENSOR ELEMENT GAMBLE JR, RANDALL LEE 1795 §103 Non-Final OA 5d overdue Pending Mar 12, 2024
18602459 SENSOR ELEMENT GAMBLE JR, RANDALL LEE 1795 §103 Non-Final OA 5d overdue Pending Mar 12, 2024
18601197 METHOD FOR MANUFACTURING CIRCUIT BOARD ASSEMBLY STONER, KILEY SHAWN §103 Non-Final OA Pending Mar 11, 2024
18442280 REMOTE MONITORING SYSTEM AND MAINTENANCE METHOD FOR ITEM AND/OR BATTERY MERSHON, JAYNE L §103§112 Non-Final OA Pending Feb 15, 2024
18579103 ELECTROCHEMICAL ENERGY STORAGE DEVICE AMPONSAH, OSEI K §102 Non-Final OA Pending Jan 12, 2024
18411685 ELECTRICALLY HEATED CATALYST SYSTEM TRAN, BINH Q §102 Non-Final OA Pending Jan 12, 2024
18410122 DRYING DEVICE GRAVINI, STEPHEN MICHAEL §112 Non-Final OA Pending Jan 11, 2024
18407526 HEAT EXCHANGER TRAN, LEN 3763 §103 Final Rejection Pending Jan 09, 2024
18536342 MEMBER FOR TERAHERTZ EQUIPMENT ABDUR, RAHMAN 2872 §103 Final Rejection Pending Dec 12, 2023
18529030 HEATER ELEMENT FOR VEHICLE AIR CONDITIONING ECKARDT, ADAM MICHAEL §103 Non-Final OA Pending Dec 05, 2023
18524770 METHOD OF MANUFACTURING BONDED SUBSTRATE, METHOD OF MANUFACTURING CIRCUIT SUBSTRATE, AND CIRCUIT SUBSTRATE MAIGA, SIDI MOHAMED 2847 §103 Final Rejection 60d overdue Pending Nov 30, 2023
18524808 NICKEL ZINC SECONDARY BATTERY BROWN, SANDRA LASHAUN §102§103 Non-Final OA Pending Nov 30, 2023
18508510 HEATER ELEMENT AND VEHICLE INTERIOR PURIFICATION SYSTEM HE, QIANPING 1776 §103 Final Rejection Pending Nov 14, 2023
18508540 HEATER ELEMENT FOR VEHICLE AIR CONDITIONING TRAN, TIFFANY T §103§112 Non-Final OA Pending Nov 14, 2023
18474322 REACTOR KUYKENDALL, ALYSSA LEE §103 Non-Final OA Pending Sep 26, 2023
18467809 HONEYCOMB STRUCTURE, INDUCTION HEATING DEVICE AND HONEYCOMB UNIT VAN, QUANG T §102§103 Non-Final OA Pending Sep 15, 2023
18466145 SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX PATEL, PRANAV N 1777 §102§103 Final Rejection Pending Sep 13, 2023
18466113 METHOD OF EVALUATING SEPARATION MEMBRANE MODULE BUTLER, KEVIN C 2852 §102 Non-Final OA Pending Sep 13, 2023
18361954 COMPOSITE SUBSTRATE, SURFACE ACOUSTIC WAVE ELEMENT, AND METHOD OF PRODUCING COMPOSITE SUBSTRATE GORDON, BRYAN P §102§103 Non-Final OA Pending Jul 31, 2023
18361959 NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY WEI, ZHONGQING 1727 §103 Final Rejection 5d overdue Pending Jul 31, 2023
18354123 METHANE PRODUCTION SYSTEM AND METHANE PRODUCTION METHOD MENDEZ, ZULMARIAM 1794 §103 Final Rejection Pending Jul 18, 2023
18350080 METHOD FOR RECYCLING LITHIUM-ION SECONDARY BATTERY MATHEW, ISWARYA 1788 §103Other Final Rejection 14d Pending Jul 11, 2023
18342810 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS PAIK, SANG YEOP 3761 §103§112 Non-Final OA 6d Pending Jun 28, 2023
18331256 HEATING FURNACE WILSON, GREGORY A 3762 §102§103 Non-Final OA 78d Pending Jun 08, 2023
18323608 POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM-ION SECONDARY BATTERY YUSIF, HUNSUYADOR MUGEESATU 1743 §103 Non-Final OA Pending May 25, 2023
18194684 NEGATIVE ELECTRODE AND ZINC SECONDARY BATTERY DARBY, BRENDON CHARLES 1749 §102§103 Non-Final OA Pending Apr 03, 2023
18188559 HONEYCOMB STRUCTURE, ELECTRICALLY HEATED CARRIER, AND EXHAUST GAS PURIFICATION DEVICE LEUNG, JENNIFER A 1774 §103 Final Rejection Pending Mar 23, 2023
18180231 LDH-LIKE COMPOUND SEPARATOR AND SECONDARY ZINC BATTERY HARRIS, MARY GRACE 1729 §112DP Non-Final OA 81d overdue Pending Mar 08, 2023
18167176 LDH-LIKE COMPOUND SEPARATOR AND ZINC SECONDARY BATTERY ESSEX, STEPHAN J 1727 §102 Non-Final OA Pending Feb 10, 2023
18167198 LDH-LIKE COMPOUND SEPARATOR AND ZINC SECONDARY BATTERY SMITH, NICHOLAS A 1752 DP Non-Final OA Pending Feb 10, 2023
18164799 WAFER PLACEMENT TABLE SWEELY, KURT D 1718 §103 Final Rejection 28d Pending Feb 06, 2023
18164824 FEEDER MEMBER AND WAFER PLACEMENT TABLE SREEVATSA, SREEYA 2838 DP Final Rejection 15d overdue Pending Feb 06, 2023
18147251 REFINING METHOD HAVLIN, ROBERT H 1626 §102§103§112Other Final Rejection 29d overdue Pending Dec 28, 2022
18058490 GAS SENSOR AND SENSOR ELEMENT OSMAN, SOMMER YOUSEF 1794 §103 Non-Final OA Pending Nov 23, 2022
18056802 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS GATES, ERIC ANDREW 3722 §102§103 Non-Final OA Pending Nov 18, 2022
18048967 MEMBER FOR SEMICONDUCTOR MANUFACTURING APPARATUS GATES, ERIC ANDREW 3722 §112 Non-Final OA Pending Oct 24, 2022
18045485 SEPARATION MEMBRANE MODULE MENON, KRISHNAN S 1777 §103§112 Final Rejection Pending Oct 11, 2022
17950631 SENSOR ELEMENT GAMBLE JR, RANDALL LEE 1795 §103 Final Rejection Pending Sep 22, 2022
17805239 LITHIUM ION SECONDARY BATTERY NEWELL, ANNA GOULD 1726 §103 Non-Final OA Pending Jun 03, 2022
17656474 ELECTRODE EMBEDDED CERAMIC STRUCTURE WEN, KEVIN GUANHUA 3761 §103 Final Rejection Pending Mar 25, 2022
17578773 METHOD FOR MANUFACTURING PILLAR-SHAPED HONEYCOMB STRUCTURE FILTER, AND PARTICLE ATTACHING DEVICE FOR PILLAR-SHAPED HONEYCOMB STRUCTURE EMPIE, NATHAN H 1712 §103 Non-Final OA Pending Jan 19, 2022
17455700 HONEYCOMB STRUCTURE, ELECTRICALLY HEATING SUPPORT AND EXHAUST GAS PURIFYING DEVICE ISKRA, JOSEPH W 3761 §102§103§112 Non-Final OA Pending Nov 19, 2021
17450704 CERAMIC HEATER WITH SHAFT WARD, THOMAS JOHN 3761 §103 Non-Final OA Pending Oct 13, 2021
17360498 CATALYST MEMBER AND REACTOR KUMAR, SRILAKSHMI K 1738 §103§112 Non-Final OA 26d overdue Pending Jun 28, 2021
17301773 CERAMIC HEATER RHUE, ABIGAIL H 3761 §103 Final Rejection Pending Apr 14, 2021
17186198 COIN-TYPE SECONDARY CELL ORTIZ, ARYANA YASMINE 1751 §103 Non-Final OA Pending Feb 26, 2021
17132323 EXTRUSION MOLDING MACHINE, AND METHOD FOR PRODUCING MOLDED BODY LEYSON, JOSEPH S 1744 §103 Final Rejection 33d Pending Dec 23, 2020

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