Prosecution Insights
Last updated: May 29, 2026

Hangzhou Sanhua Research Institute Co. Ltd.

4 pending office actions • 2 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
1
Non-Final OAs
1
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (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%)
2
Medium (50%)
1
Easy (25%)
1
Unknown (25%)

Rejection Statute Mix

BucketCases
§103 only2 (50%)
§112 only1 (25%)
No statute on record1 (25%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
100% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
TEIXEIRA MOFFAT, JONATHAN CHARLES 1 68.1% +10.4%
LING, FOR K. 1 53.6% +19.1%
ATTEY, JOEL M 1 64.4% +43.7%
DUONG, THO V 1 67.0% +17.5%

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
18346109 HEAT EXCHANGER, MANUFACTURING METHOD THEREOF AND THERMAL MANAGEMENT SYSTEM TEIXEIRA MOFFAT, JONATHAN CHARLES 218d overdue
18141356 PLATE HEAT EXCHANGER WITH IMPROVED CONNECTION STRENGTH OF ADJACENT HEAT EXCHANGE PLATES LING, FOR K. 105d overdue
17980436 HEAT EXCHANGER AND METHOD THEREOF PROCESSING THE SAME ATTEY, JOEL M 89d overdue
17964014 HEAT EXCHANGER AND METHOD FOR MAKING THE SAME DUONG, THO V 13d

Top Art Units

Art UnitApps
3763 3
3700 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18346109 HEAT EXCHANGER, MANUFACTURING METHOD THEREOF AND THERMAL MANAGEMENT SYSTEM TEIXEIRA MOFFAT, JONATHAN CHARLES 3700 §103 Non-Final OA 218d overdue Pending Jun 30, 2023
18141356 PLATE HEAT EXCHANGER WITH IMPROVED CONNECTION STRENGTH OF ADJACENT HEAT EXCHANGE PLATES LING, FOR K. 3763 §103 Final Rejection 105d overdue Pending Apr 28, 2023
17980436 HEAT EXCHANGER AND METHOD THEREOF PROCESSING THE SAME ATTEY, JOEL M 3763 Other Non-Final OA 89d overdue Pending Nov 03, 2022
17964014 HEAT EXCHANGER AND METHOD FOR MAKING THE SAME DUONG, THO V 3763 §112 Non-Final OA 13d Pending Oct 11, 2022

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