Prosecution Insights
Last updated: October 02, 2026

Yantai Zhenghai Magnetic Material 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 • 1 patents granted in the last 365 days

Analysis

Yantai Zhenghai Magnetic Material Co. Ltd. operates in the Chemistry & Materials technology area. The company currently has 3 pending office actions, which are being handled by 3 distinct examiners. This ratio of 3 actions to 3 examiners suggests a diverse review process where each matter receives independent oversight.

The portfolio's prosecution is spread across 2 distinct art units. SIDDIQUI, ADIL ABDUL WAJID is the busiest examiner for the company, with 1 pending office action currently assigned. This indicates that the 3 pending actions are split among the distinct examiners involved. Having 3 distinct examiners across 2 distinct art units provides a varied administrative environment for the company's intellectual property.

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

Portfolio Summary

4
Total Pending OAs
3
Non-Final OAs
1
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.

2
Hard (50%)
0
Medium (0%)
2
Easy (50%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§112 only2 (50%)
Multi-statute (no §101)2 (50%)

Industry Mix

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

3
Life Sciences
75% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
25% 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
SIDDIQUI, ADIL ABDUL WAJID 1 55.1% +12.5%
CARDA, DANIELLE MARIE 1 83.2% +13.0%
MCGUTHRY BANKS, TIMA MICHELE 1 81.8% +2.5%
HOBAN, MATTHEW E 1 60.4% +25.3%

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
18469882 SINTERED NEODYMIUM-IRON-BORON PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF MCGUTHRY BANKS, TIMA MICHELE —

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
18536652 R-T-B BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF CARDA, DANIELLE MARIE —
18448487 SINTERED R-FE-B PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF HOBAN, MATTHEW E —

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
18701848 HIGH-COERCIVITY ND-FE-B SERIES SINTERED MAGNET AND PREPARATION METHOD AND APPLICATION THEREOF SIDDIQUI, ADIL ABDUL WAJID —
18536652 R-T-B BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF CARDA, DANIELLE MARIE —
18448487 SINTERED R-FE-B PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF HOBAN, MATTHEW E —

Top Art Units

Art UnitApps
1738 1
1733 1
1734 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18701848 HIGH-COERCIVITY ND-FE-B SERIES SINTERED MAGNET AND PREPARATION METHOD AND APPLICATION THEREOF SIDDIQUI, ADIL ABDUL WAJID — §112 Non-Final OA — Pending Apr 16, 2024
18536652 R-T-B BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF CARDA, DANIELLE MARIE 1738 §102§112 Non-Final OA — Pending Dec 12, 2023
18469882 SINTERED NEODYMIUM-IRON-BORON PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF MCGUTHRY BANKS, TIMA MICHELE 1733 §112 Non-Final OA — Pending Sep 19, 2023
18448487 SINTERED R-FE-B PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF HOBAN, MATTHEW E 1734 §103§112 Final Rejection — Pending Aug 11, 2023

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