Prosecution Insights
Last updated: October 25, 2026

Smiths Detection-Watford Limited

Technology area: Semiconductors, Circuits & Optics

3 pending office actions • 2 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Smiths Detection-Watford Limited is currently managing 3 pending office actions within the Semiconductors, Circuits & Optics technology area. These 3 pending office actions are distributed across 2 distinct art units, suggesting that the company's innovations cover multiple specialized sub-sectors within the semiconductor field. The prosecution involves 3 distinct examiners, which provides a variety of perspectives from the patent office. This distribution across 2 distinct art units indicates the technical scope of the portfolio.

NGUYEN, KIET TUAN is the busiest examiner for this portfolio, currently overseeing 1 pending office action. Since the 3 pending office actions are split among the distinct examiners, the workload is distributed across the art units. This distribution means that each of the 3 distinct examiners is responsible for a unique portion of the portfolio. Practitioners should be prepared to address the specific requirements of the examiners while navigating the 2 distinct art units involved in the Semiconductors, Circuits & Optics sector. The 1 pending office action assigned to NGUYEN, KIET TUAN requires a targeted strategy based on that examiner's history. Coordinating between the distinct art units is necessary to ensure consistent prosecution.

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

Portfolio Summary

3
Total Pending OAs
3
Non-Final OAs
0
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.

1
Overdue
0
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.

3
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)3 (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
3
Semiconductors
100% of docket
0
Mechanical / Eng
0% 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
NGUYEN, KIET TUAN 1 88.8% +0.1%
WEST, PAUL M 1 84.2% +13.9%
GASSEN, CHRISTOPHER J 1 80.3% +24.1%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
17927137 AN ION SHUTTER, A METHOD OF CONTROLLING ION SHUTTER, AND DETECTION METHODS AND APPARATUS GASSEN, CHRISTOPHER J 43d overdue
18860880 METHOD AND APPARATUS FOR IMPROVING FALSE ALARM RATE IN TRACE DETECTION NGUYEN, KIET TUAN —
18857108 DETECTOR INLET AND METHOD WEST, PAUL 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
17927137 AN ION SHUTTER, A METHOD OF CONTROLLING ION SHUTTER, AND DETECTION METHODS AND APPARATUS GASSEN, CHRISTOPHER J 43d overdue
18857108 DETECTOR INLET AND METHOD WEST, PAUL M —

Top Art Units

Art UnitApps
2881 2
2855 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18860880 METHOD AND APPARATUS FOR IMPROVING FALSE ALARM RATE IN TRACE DETECTION NGUYEN, KIET TUAN 2881 §102§103 Non-Final OA — Pending Oct 28, 2024
18857108 DETECTOR INLET AND METHOD WEST, PAUL M 2855 §102§103§112 Non-Final OA — Pending Oct 15, 2024
17927137 AN ION SHUTTER, A METHOD OF CONTROLLING ION SHUTTER, AND DETECTION METHODS AND APPARATUS GASSEN, CHRISTOPHER J 2881 §103§112 Non-Final OA 43d overdue Pending Nov 22, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Smiths Detection-Watford Limited have?

Smiths Detection-Watford Limited has 3 pending office actions as of October 2026, spread across 2 art units and 3 examiners.

Which USPTO examiner handles the most Smiths Detection-Watford Limited applications?

Kiet Tuan Nguyen has the most, with 1 of Smiths Detection-Watford Limited's pending office actions.

What technology area are Smiths Detection-Watford Limited'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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