Prosecution Insights
Last updated: October 04, 2026

Zhu Lehnhoff LLP

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

7 pending office actions • 5 clients • 7 examiners • 5 art units • 0 of 7 (0%) have an AI response strategy ready

Analysis

Zhu Lehnhoff LLP has handled 218 career applications, primarily within the Transportation, E-Commerce & Mechanical Systems technology area. The firm achieves a resolved allowance rate pct of 75.43. This percentage indicates the proportion of applications that reach allowance rather than abandonment.

The firm demonstrates prosecution efficiency with an avg office actions per allowance of 1.74. This metric shows that the firm typically resolves examination with a limited number of office actions. With 6 pending office actions, the firm maintains a small active workload relative to its total career applications of 218.

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

Quality Metrics (n=218 apps, methodology: how we score firms)

75.4%
Allowance Rate
n=218
+0.26σ
Allowance Rate (norm)
n=218
1.7
OAs to Allowance
n=132
-0.86σ
OAs to Allow (norm)
n=132
667 days
Time to Allowance
n=132
+22.8pp
Interview Lift
n=218
10.9%
RCE Rate
n=218
0.0%
Appeal Rate
n=218

Rejection Performance (% of received rejections ultimately overcome)

21.7%
§101 Overcome
n=23
55.1%
§102 Overcome
n=49
63.4%
§103 Overcome
n=71
63.8%
§112 Overcome
n=94

Specialization & Scale

G06F, A61B, G01N
Top CPC Subclasses
12%
Top-3 CPC Share
n=218
0
Practitioners
n=218
—
Apps / Practitioner
n=218 (min 20)

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
1
Final Rejections
1
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.

3
Hard (43%)
2
Medium (29%)
2
Easy (29%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only2 (29%)
§112 only2 (29%)
Multi-statute (no §101)3 (43%)

Industry Mix

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

1
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
5
Mechanical / Eng
71% of docket
1
Business / Other
14% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SCHMID, BROOK VICTORIA 1 28.0% +60.3%
AWORUNSE, OLUWABUSAYO ADEBANJO 1 16.7% +5.7%
NGUYEN, NGA X 1 77.4% +5.4%
BYRD, BRIGID K 1 71.4% +46.4%
ALIE, GHASSEM 1 69.3% +32.6%
FRANKLIN, JAMARA ALZAIDA 1 84.1% +6.4%
BORTOLI, JONATHAN 1 76.3% +41.2%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18264429 CHARGING CONTROL DEVICE AND CHARGING CONTROL METHOD FRANKLIN, JAMARA ALZAIDA —

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
19389037 COMBINED HABITAT PLATFORM FOR RAPIDLY CONSTRUCTING BIRD MICROHABITAT SCHMID, BROOK VICTORIA —
19152943 AUTONOMOUS OPERATION DEVICE, CONTROL METHOD THEREFOR, AND AUTONOMOUS OPERATION SYSTEM AWORUNSE, OLUWABUSAYO ADEBANJO —
19126655 BRAKE CONTROL METHOD FOR AUTONOMOUS OPERATION DEVICE, AUTONOMOUS OPERATION DEVICE, AND STORAGE MEDIUM NGUYEN, NGA X —
18928315 NEGATIVE PRESSURE SUCTION SHEATH BYRD, BRIGID K —

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
19389037 COMBINED HABITAT PLATFORM FOR RAPIDLY CONSTRUCTING BIRD MICROHABITAT SCHMID, BROOK VICTORIA —
18928315 NEGATIVE PRESSURE SUCTION SHEATH BYRD, BRIGID K —
18855699 GARDEN TOOL ALIE, GHASSEM —
18334365 METHOD AND DEVICE FOR SYNCHRONOUS EXTRACTION AND ANALYSIS OF MULTIPLE TRACE EMERGING ORGANIC CONTAMINANTS IN HAIRS, AND APPLICATION BORTOLI, JONATHAN —

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
36622
36421
37711
37241
17971

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19389037 COMBINED HABITAT PLATFORM FOR RAPIDLY CONSTRUCTING BIRD MICROHABITAT Institute Of Zoology, Guangdong Academy Of Sciences SCHMID, BROOK VICTORIA 3642 §112 Non-Final OA — Pending Nov 14, 2025
19152943 AUTONOMOUS OPERATION DEVICE, CONTROL METHOD THEREFOR, AND AUTONOMOUS OPERATION SYSTEM Zhejiang Sunseeker Industrial Co., Ltd. AWORUNSE, OLUWABUSAYO ADEBANJO 3662 §103§112 Non-Final OA — Pending Aug 01, 2025
19126655 BRAKE CONTROL METHOD FOR AUTONOMOUS OPERATION DEVICE, AUTONOMOUS OPERATION DEVICE, AND STORAGE MEDIUM Zhejiang Sunseeker Industrial Co., Ltd. NGUYEN, NGA X 3662 §103§112 Non-Final OA — Pending May 02, 2025
18928315 NEGATIVE PRESSURE SUCTION SHEATH Innovex Medical Co., Ltd. BYRD, BRIGID K 3771 §103§112 Non-Final OA — Pending Oct 28, 2024
18855699 GARDEN TOOL Zhejiang Sunseeker Industrial Co., Ltd. ALIE, GHASSEM 3724 §102 Final Rejection — Pending Oct 11, 2024
18264429 CHARGING CONTROL DEVICE AND CHARGING CONTROL METHOD Shanghai Banhui New Energy Technology Co., Ltd. FRANKLIN, JAMARA ALZAIDA §102 Non-Final OA — Pending Aug 07, 2023
18334365 METHOD AND DEVICE FOR SYNCHRONOUS EXTRACTION AND ANALYSIS OF MULTIPLE TRACE EMERGING ORGANIC CONTAMINANTS IN HAIRS, AND APPLICATION South China Inst Of Environmental Sciences Mee Ecology And Environment Emergency Inst Of Ecology BORTOLI, JONATHAN 1797 §112 Non-Final OA — Pending Jun 13, 2023

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