Prosecution Insights
Last updated: October 25, 2026

Yantai Jereh Oilfield Services Group Co., Ltd.

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

5 pending office actions • 4 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 24 patents granted in the last 365 days

Analysis

Yantai Jereh Oilfield Services Group Co. Ltd. has 2 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 2 distinct examiners and 2 distinct art units.

LEE, GEOFFREY S is the busiest examiner, with 1 pending matter. Counsel can manage each matter independently while maintaining a common technical framework.

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

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
2
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 60 days (2)

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 (40%)
3
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (60%)
Multi-statute (no §101)2 (40%)

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
2
Semiconductors
40% of docket
3
Mechanical / Eng
60% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
REID JR, CHARLES H 1 69.4% +23.9%
LEE, GEOFFREY S 1 60.6% +20.4%
ZAKARIA, AKM 1 82.6% +16.2%
BOBISH, CHRISTOPHER S 1 62.6% +29.0%
BUCK, MATTHEW R 1 83.3% +14.4%

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
18962928 MOTOR MALFUNCTION MONITORING DEVICE, DRIVE MOTOR SYSTEM AND MOTOR MALFUNCTION MONITORING METHOD ZAKARIA, AKM —

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
18936367 FRACTURING APPARATUS AND FRACTURING SYSTEM BUCK, MATTHEW R 79d overdue
19091430 Gas Turbine Generator Set and Mobile Power Generation Equipment REID JR, CHARLES H —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18936367 FRACTURING APPARATUS AND FRACTURING SYSTEM BUCK, MATTHEW R 79d overdue
19072029 CEMENTING EQUIPMENT AND CONTROL METHOD LEE, GEOFFREY S 36d
18952120 FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM BOBISH, CHRISTOPHER S 40d
19091430 Gas Turbine Generator Set and Mobile Power Generation Equipment REID JR, CHARLES H —
18962928 MOTOR MALFUNCTION MONITORING DEVICE, DRIVE MOTOR SYSTEM AND MOTOR MALFUNCTION MONITORING METHOD ZAKARIA, AKM —

Top Art Units

Art UnitApps
3746 2
2834 1
2858 1
3679 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19091430 Gas Turbine Generator Set and Mobile Power Generation Equipment REID JR, CHARLES H 2834 §102§103 Non-Final OA — Pending Mar 26, 2025
19072029 CEMENTING EQUIPMENT AND CONTROL METHOD LEE, GEOFFREY S 3746 §103 Final Rejection 36d Pending Mar 06, 2025
18962928 MOTOR MALFUNCTION MONITORING DEVICE, DRIVE MOTOR SYSTEM AND MOTOR MALFUNCTION MONITORING METHOD ZAKARIA, AKM 2858 §103 Final Rejection — Pending Nov 27, 2024
18952120 FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM BOBISH, CHRISTOPHER S 3746 §103 Final Rejection 40d Pending Nov 19, 2024
18936367 FRACTURING APPARATUS AND FRACTURING SYSTEM BUCK, MATTHEW R 3679 §102§103§112 Non-Final OA 79d overdue Pending Nov 04, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Yantai Jereh Oilfield Services Group Co., Ltd. have?

Yantai Jereh Oilfield Services Group Co., Ltd. has 5 pending office actions as of October 2026, spread across 4 art units and 5 examiners.

Which USPTO examiner handles the most Yantai Jereh Oilfield Services Group Co., Ltd. applications?

Charles H Reid Jr. has the most, with 1 of Yantai Jereh Oilfield Services Group Co., Ltd.'s pending office actions.

What technology area are Yantai Jereh Oilfield Services Group Co., Ltd.'s patent applications in?

Mostly Semiconductors, Circuits & Optics (USPTO Tech Center 2800), based on where its pending office actions are examined.

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