Prosecution Insights
Last updated: August 15, 2026

Sungrow Power Supply Co., Ltd.

17 pending office actions • 10 art units • 17 examiners • 0 of 17 (0%) have an AI response strategy ready • 41 patents granted in the last 365 days

Portfolio Summary

17
Total Pending OAs
9
Non-Final OAs
7
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
2
Due this month
0
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 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.

5
Hard (29%)
11
Medium (65%)
1
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only8 (47%)
§102 only3 (18%)
§112 only1 (6%)
Multi-statute (no §101)5 (29%)

Industry Mix

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

3
Life Sciences
18% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
6
Semiconductors
35% of docket
2
Mechanical / Eng
12% of docket
6
Business / Other
35% 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.

170 h
Manual time on pending OAs
34 h
Time saved (low, 20%)
59 h
Time saved (mid, 35%)
1.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LY, XUAN 1 85.2% +6.5%
CHAI, RAYMOND REI-YANG 1 74.7% +16.2%
MOODY, KYLE J 1 90.5% +7.8%
BARNETT, JOEL 1 80.6% +12.1%
CHOI, SEUNG HO 1 100.0% +0.0%
NGUYEN, TRUNG Q 1 90.9% +6.2%
ESTRADA, ANGEL R 1 85.5% -43.6%
NGUYEN, DANNY 1 90.2% +6.4%
HARRISON, MICHAEL A 1 88.8% +2.7%
MOUNTAIN, JEFFREY WIGHTMAN 1 89.3% +14.0%

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
18764412 POWER SUPPLY CIRCUIT, BATTERY MONITORING CIRCUIT, AND ENERGY STORAGE DEVICE NGUYEN, DANNY 23d
19028216 PHOTOVOLTAIC INVERTER AND METHOD FOR CONTROLLING PHOTOVOLTAIC INVERTER LY, XUAN
18956473 METHOD FOR PROCESSING ARC FAULT, INVERTER AND PHOTOVOLTAIC SYSTEM BARNETT, JOEL
18864828 COMBINER DEVICE, PHOTOVOLTAIC SYSTEM AND FAULT DETECTION METHOD NGUYEN, TRUNG Q
18855993 CASE AND ELECTRICAL DEVICE ESTRADA, ANGEL R
18734166 METHOD FOR CELL INSPECTION, ENERGY STORAGE SYSTEM AND ENERGY STORAGE STATION HARRISON, MICHAEL A

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18349877 ENERGY STORAGE APPARATUS KHANAL, ARTI 19d
18969645 METHOD AND DEVICE FOR CONTROLLING INVERTER, INVERTER AND PHOTOVOLTAIC SYSTEM MOODY, KYLE J
18868151 CONVERTER AND ANPC CIRCUIT DRIVING METHOD THEREFOR CHOI, SEUNG HO
18685874 WIRING STRUCTURE AND ELECTRICAL BOX MOUNTAIN, JEFFREY WIGHTMAN
18341264 ENERGY STORAGE DEVICE AND BATTERY CABINET ZEMUI, NATHANAEL T

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18995048 CIRCUIT FOR PROTECTING MICRO INVERTER AND CIRCUIT SYSTEM HAVING MICRO INVERTER TOPOLOGY CHAI, RAYMOND REI-YANG
18956473 METHOD FOR PROCESSING ARC FAULT, INVERTER AND PHOTOVOLTAIC SYSTEM BARNETT, JOEL
18685874 WIRING STRUCTURE AND ELECTRICAL BOX MOUNTAIN, JEFFREY WIGHTMAN

Top Art Units

Art UnitApps
3763 2
2836 1
2849 1
2838 1
2852 1
2834 1
1725 1
1746 1
1727 1
2857 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19028216 PHOTOVOLTAIC INVERTER AND METHOD FOR CONTROLLING PHOTOVOLTAIC INVERTER LY, XUAN 2836 §102 Final Rejection Pending Jan 17, 2025
18995048 CIRCUIT FOR PROTECTING MICRO INVERTER AND CIRCUIT SYSTEM HAVING MICRO INVERTER TOPOLOGY CHAI, RAYMOND REI-YANG §112 Non-Final OA Pending Jan 15, 2025
18969645 METHOD AND DEVICE FOR CONTROLLING INVERTER, INVERTER AND PHOTOVOLTAIC SYSTEM MOODY, KYLE J §102§103 Non-Final OA Pending Dec 05, 2024
18956473 METHOD FOR PROCESSING ARC FAULT, INVERTER AND PHOTOVOLTAIC SYSTEM BARNETT, JOEL 2849 §103 Final Rejection Pending Nov 22, 2024
18868151 CONVERTER AND ANPC CIRCUIT DRIVING METHOD THEREFOR CHOI, SEUNG HO §102§103 Non-Final OA Pending Nov 21, 2024
18864828 COMBINER DEVICE, PHOTOVOLTAIC SYSTEM AND FAULT DETECTION METHOD NGUYEN, TRUNG Q §103 Non-Final OA Pending Nov 11, 2024
18855993 CASE AND ELECTRICAL DEVICE ESTRADA, ANGEL R §102 Non-Final OA Pending Oct 10, 2024
18764412 POWER SUPPLY CIRCUIT, BATTERY MONITORING CIRCUIT, AND ENERGY STORAGE DEVICE NGUYEN, DANNY 2838 §103 Final Rejection 23d Pending Jul 05, 2024
18734166 METHOD FOR CELL INSPECTION, ENERGY STORAGE SYSTEM AND ENERGY STORAGE STATION HARRISON, MICHAEL A 2852 §103 Final Rejection Pending Jun 05, 2024
18685874 WIRING STRUCTURE AND ELECTRICAL BOX MOUNTAIN, JEFFREY WIGHTMAN 2834 §102§103§112 Non-Final OA Pending Feb 22, 2024
18499981 POWER CONVERSION SYSTEM, ENERGY STORAGE SYSTEM AND POWER SUPPLY METHOD HESS, DANIEL A §103 Non-Final OA Pending Nov 01, 2023
18273128 BATTERY CLUSTER AND ENERGY STORAGE SYSTEM LEE, JAMES 1725 §103 Final Rejection Pending Jul 19, 2023
18349877 ENERGY STORAGE APPARATUS KHANAL, ARTI 1746 §102§103§112 Final Rejection 19d Pending Jul 10, 2023
18341264 ENERGY STORAGE DEVICE AND BATTERY CABINET ZEMUI, NATHANAEL T 1727 §102§103§112 Non-Final OA Pending Jun 26, 2023
18192128 ANGLED PHASE CHANGE HEAT EXCHANGER IN HOUSING RUBY, TRAVIS C 3763 §103 Non-Final OA 62d Pending Mar 29, 2023
18114443 PHASE-CHANGE HEAT DISSIPATER AND POWER MODULE SCHERMERHORN, JON 3763 §102 Non-Final OA 32d overdue Pending Feb 27, 2023
18105287 PERFORMANCE TESTING DEVICE FOR HEAT PIPE HEATSINK QUIGLEY, KYLE ROBERT 2857 §103 Final Rejection 17d overdue Pending Feb 03, 2023

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