Prosecution Insights
Last updated: October 04, 2026

Halton OY

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

3 pending office actions • 2 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Halton OY is managing 3 pending office actions in the Medical Devices & Mechanical Engineering technology area. These actions are spread across 3 distinct examiners and 2 distinct art units. The presence of 2 distinct art units indicates that the portfolio's subject matter is diverse enough to trigger different specialized reviews within the patent office. This distribution requires a prosecution strategy that can adapt to the varying standards of multiple examination groups.

YOO, REGINA M is the busiest examiner for this portfolio, currently overseeing 1 pending office action. With 3 distinct examiners each handling a portion of the 3 pending actions, the workload is distributed evenly across the examining staff. This distribution suggests that the practitioner must manage three separate examiner relationships simultaneously. Because the 3 pending office actions are not concentrated under a single examiner, the company must ensure consistency in its arguments across the 2 distinct art units. This level of activity in the medical device sector highlights a multi-faceted approach to securing intellectual property rights, where each of the 3 distinct examiners provides a unique hurdle in the path toward allowance.

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

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
1
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

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 (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Multi-statute (no §101)2 (67%)

Industry Mix

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

1
Life Sciences
33% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
67% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
YOO, REGINA M 1 63.8% +6.1%
LIN, KO-WEI 1 76.0% +20.3%
CARTER, AMY ELIZABETH 1 78.9% +34.9%

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
18001845 PROTECTIVE AIR SUPPLY SYSTEM IN A CLEAN ROOM AND A METHOD FOR SUPPLYING PROTECTIVE AIR FLOW CARTER, AMY ELIZABETH 5d
18402492 DECONTAMINATION SYSTEM HAVING A MODULAR DECONTAMINATION UNIT YOO, REGINA M —

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18001845 PROTECTIVE AIR SUPPLY SYSTEM IN A CLEAN ROOM AND A METHOD FOR SUPPLYING PROTECTIVE AIR FLOW CARTER, AMY ELIZABETH 5d
18538858 AIR FLOW CONTROL UNIT, SYSTEM FOR VENTILATION SYSTEM OF BUILDING AND METHOD FOR CONTROLLING VENTILATION OF BUILDING LIN, KO-WEI —

Top Art Units

Art UnitApps
3762 2
1758 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18402492 DECONTAMINATION SYSTEM HAVING A MODULAR DECONTAMINATION UNIT YOO, REGINA M 1758 §102§103§112 Non-Final OA — Pending Jan 02, 2024
18538858 AIR FLOW CONTROL UNIT, SYSTEM FOR VENTILATION SYSTEM OF BUILDING AND METHOD FOR CONTROLLING VENTILATION OF BUILDING LIN, KO-WEI 3762 §103 Final Rejection — Pending Dec 13, 2023
18001845 PROTECTIVE AIR SUPPLY SYSTEM IN A CLEAN ROOM AND A METHOD FOR SUPPLYING PROTECTIVE AIR FLOW CARTER, AMY ELIZABETH 3762 §102§103 Final Rejection 5d Pending Dec 14, 2022

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