Prosecution Insights
Last updated: October 04, 2026

Wiersch Ip Law

Technology area: Biotechnology & Pharmaceuticals

6 pending office actions • 5 clients • 6 examiners • 1 art unit • 0 of 6 (0%) have an AI response strategy ready • 28 patents granted in the last 365 days

Analysis

Wiersch IP Law handles patent prosecution in the Biotechnology & Pharmaceuticals technology area, with 3095 career applications on record. The firm has a resolved allowance rate of 85.61 percent. Its prosecution history shows an average of 1.41 office actions per allowance. Currently, the firm is managing 1 pending office action.

The 3095 career applications and 85.61 percent allowance rate establish the firm's historical performance in this sector. The 1.41 average helps practitioners understand the typical procedural requirements for reaching an allowance. With 1 pending office action, the firm maintains its presence in Biotechnology & Pharmaceuticals. This data set reflects the firm's documented experience and current workload within the patent office. The recorded metrics provide a baseline for procedural duration in this specific field. Practitioners can evaluate the intensity of examiner interaction and resource requirements based on these historical figures. These statistics offer a view of the firm's prosecution profile.

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

Quality Metrics (n=3095 apps, methodology: how we score firms)

85.6%
Allowance Rate
n=3095
+0.36σ
Allowance Rate (norm)
n=3095
1.4
OAs to Allowance
n=2177
-1.08σ
OAs to Allow (norm)
n=2177
803 days
Time to Allowance
n=2177
+7.8pp
Interview Lift
n=3095
3.4%
RCE Rate
n=3095
0.0%
Appeal Rate
n=3095

Rejection Performance (% of received rejections ultimately overcome)

50.3%
§101 Overcome
n=171
67.7%
§102 Overcome
n=818
64.4%
§103 Overcome
n=1270
66.5%
§112 Overcome
n=734

Specialization & Scale

G02B, H04R, G06F
Top CPC Subclasses
35%
Top-3 CPC Share
n=3095
1
Practitioners
n=3095
3095.0
Apps / Practitioner
n=3095

Portfolio Summary

6
Total Pending OAs
6
Non-Final OAs
0
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.

5
Hard (83%)
1
Medium (17%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (33%)
Double-patenting + other1 (17%)
Multi-statute (no §101)3 (50%)

Industry Mix

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

1
Life Sciences
17% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
5
Business / Other
83% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SHAKERI, HADI 1 62.1% +37.0%
NEJAD, MAHDI H 1 73.9% +29.2%
NAFOOSHE, SAEEDE 1 — —
CRAIGO, WILLIAM A 1 49.2% +38.2%
CHU, YONG LIANG 1 74.9% +3.1%
OCHOA, JUAN CARLOS 1 67.3% +22.1%

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
18973190 TOOL BIT CONNECTION SHAFT STRUCTURE FOR ELECTRIC SCREWDRIVER AND ELECTRIC SCREWDRIVER SHAKERI, HADI —
18775783 HIGH-INTENSITY MAGNETIC BIT EXTENSION ROD WITH TELESCOPIC UNLOCKING FUNCTION NEJAD, MAHDI H —
18669808 FLOOD EVENT IDENTIFICATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM NAFOOSHE, SAEEDE —
18684823 METHOD FOR PREPARING MESOPOROUS IRON PHOSPHATE BY INDUCTION OF BLOCK COPOLYMERS CHU, YONG LIANG —
18248433 DESIGN METHOD FOR ROPS FRAMEWORK AND CAB FOR ENGINEERING MACHINES OCHOA, JUAN CARLOS —

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
18973190 TOOL BIT CONNECTION SHAFT STRUCTURE FOR ELECTRIC SCREWDRIVER AND ELECTRIC SCREWDRIVER SHAKERI, HADI —
18775783 HIGH-INTENSITY MAGNETIC BIT EXTENSION ROD WITH TELESCOPIC UNLOCKING FUNCTION NEJAD, MAHDI H —
18684910 CELL MATRIX NERVE GRAFT FOR REPAIRING PERIPHERAL NERVE INJURY AND PREPARATION METHOD THEREOF CRAIGO, WILLIAM A —
18248433 DESIGN METHOD FOR ROPS FRAMEWORK AND CAB FOR ENGINEERING MACHINES OCHOA, JUAN CARLOS —

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
16151

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18973190 TOOL BIT CONNECTION SHAFT STRUCTURE FOR ELECTRIC SCREWDRIVER AND ELECTRIC SCREWDRIVER Xiaofeng Zhang SHAKERI, HADI §102§103§112 Non-Final OA — Pending Dec 09, 2024
18775783 HIGH-INTENSITY MAGNETIC BIT EXTENSION ROD WITH TELESCOPIC UNLOCKING FUNCTION Xiaofeng Zhang NEJAD, MAHDI H §102§103§112 Non-Final OA — Pending Jul 17, 2024
18669808 FLOOD EVENT IDENTIFICATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM China Three Gorges Corporation NAFOOSHE, SAEEDE §101§103§112 Non-Final OA — Pending May 21, 2024
18684910 CELL MATRIX NERVE GRAFT FOR REPAIRING PERIPHERAL NERVE INJURY AND PREPARATION METHOD THEREOF Nantong University CRAIGO, WILLIAM A 1615 §103§112DP Non-Final OA — Pending Feb 20, 2024
18684823 METHOD FOR PREPARING MESOPOROUS IRON PHOSPHATE BY INDUCTION OF BLOCK COPOLYMERS Yidu Xingfa Chemical Co., Ltd. CHU, YONG LIANG §103§112 Non-Final OA — Pending Feb 19, 2024
18248433 DESIGN METHOD FOR ROPS FRAMEWORK AND CAB FOR ENGINEERING MACHINES Jiangsu Xcmg Construction Machinery Research Institute Ltd. OCHOA, JUAN CARLOS §101§112 Non-Final OA — Pending Apr 10, 2023

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