Prosecution Insights
Last updated: October 01, 2026

Reaction Engines Ltd.

Technology area: Medical Devices & Mechanical Engineering

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Reaction Engines Ltd. is navigating 1 pending office action in the Medical Devices & Mechanical Engineering technology area. Prosecution is currently limited to 1 distinct examiner and 1 distinct art unit. RODRIGUEZ, WILLIAM H is identified as the busiest examiner, managing 1 busiest examiner pending action. With 1 pending office action across the entire portfolio, the company maintains a minimal footprint in active examination.

The use of 1 distinct art unit suggests that the current legal efforts are concentrated within a specific technical niche. Because the company relies on 1 distinct examiner, the progress of the portfolio is highly dependent on the individual pace of RODRIGUEZ, WILLIAM H. This concentration in the Medical Devices & Mechanical Engineering sector indicates a specialized focus for the company's current intellectual property strategy. Practitioners should monitor the 1 busiest examiner pending action as it represents the totality of the company's current prosecution workload.

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

Portfolio Summary

1
Total Pending OAs
1
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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

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
0
Semiconductors
0% of docket
1
Mechanical / Eng
100% 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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RODRIGUEZ, WILLIAM H 1 90.1% +3.4%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18577686 THERMALLY INTEGRATED AMMONIA FUELLED ENGINE RODRIGUEZ, WILLIAM H —

Top Art Units

Art UnitApps
3741 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18577686 THERMALLY INTEGRATED AMMONIA FUELLED ENGINE RODRIGUEZ, WILLIAM H 3741 §102§103§112Other Non-Final OA — Pending Jan 08, 2024

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