Prosecution Insights
Last updated: October 25, 2026

Shenzhen Huachengda Precision Industry Co. Ltd.

Technology area: Chemistry & Materials

4 pending office actions • 3 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Analysis

Shenzhen Huachengda Precision Industry Co. Ltd. has 5 pending office actions in Chemistry & Materials. The matters involve 5 examiners across 3 art units, indicating multiple examiner assignments with some art-unit concentration.

MOORE, STEPHANIE LYNN is the busiest examiner, with 1 pending matter. Counsel should coordinate technical positions across the portfolio while tracking examiner-specific issues and the differing art-unit assignments.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

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.

1
Hard (25%)
3
Medium (75%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (75%)
Multi-statute (no §101)1 (25%)

Industry Mix

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

4
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% 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
MOORE, STEPHANIE LYNN 1 60.9% +38.9%
FORSYTH, PAUL ALAN 1 69.8% +2.2%
DIYAN, OLUWATOSIN OLUWATUMININ 1 27.3% +54.2%
MULLEN, MICHAEL PATRICK 1 54.8% +54.6%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18563485 POROUS ATOMIZING CORE CAPABLE OF RELEASING NEGATIVE IONS AND METHOD FOR PREPARING SAME FORSYTH, PAUL ALAN —
18033360 ATOMIZING CORE WITH AIR FLOW CHAMBER DIYAN, OLUWATOSIN OLUWATUMININ —

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
18564616 ATOMIZATION CORE AND ATOMIZATION DEVICE USING LIQUID STORAGE COTTON MOORE, STEPHANIE LYNN —
18033360 ATOMIZING CORE WITH AIR FLOW CHAMBER DIYAN, OLUWATOSIN OLUWATUMININ —
18029671 ATOMIZATION ASSEMBLY CAPABLE OF REALIZING RELIABLE CONNECTION OF ELECTRODES, AND ATOMIZATION DEVICE MULLEN, MICHAEL PATRICK —

Top Art Units

Art UnitApps
1747 2
1731 1
1755 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18564616 ATOMIZATION CORE AND ATOMIZATION DEVICE USING LIQUID STORAGE COTTON MOORE, STEPHANIE LYNN 1747 §103 Final Rejection — Pending Nov 28, 2023
18563485 POROUS ATOMIZING CORE CAPABLE OF RELEASING NEGATIVE IONS AND METHOD FOR PREPARING SAME FORSYTH, PAUL ALAN 1731 §102§103§112 Non-Final OA — Pending Nov 22, 2023
18033360 ATOMIZING CORE WITH AIR FLOW CHAMBER DIYAN, OLUWATOSIN OLUWATUMININ 1755 §103 Non-Final OA — Pending Apr 24, 2023
18029671 ATOMIZATION ASSEMBLY CAPABLE OF REALIZING RELIABLE CONNECTION OF ELECTRODES, AND ATOMIZATION DEVICE MULLEN, MICHAEL PATRICK 1747 §103 Final Rejection — Pending Mar 31, 2023

Managing Shenzhen Huachengda Precision Industry Co. Ltd.'s Patent Portfolio?

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Frequently Asked Questions

How many pending USPTO office actions does Shenzhen Huachengda Precision Industry Co. Ltd. have?

Shenzhen Huachengda Precision Industry Co. Ltd. has 4 pending office actions as of October 2026, spread across 3 art units and 4 examiners.

Which USPTO examiner handles the most Shenzhen Huachengda Precision Industry Co. Ltd. applications?

Stephanie Lynn Moore has the most, with 1 of Shenzhen Huachengda Precision Industry Co. Ltd.'s pending office actions.

What technology area are Shenzhen Huachengda Precision Industry Co. Ltd.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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