Prosecution Insights
Last updated: October 04, 2026

Tristel PLC

Technology area: Chemistry & Materials

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

Analysis

Tristel PLC maintains a patent portfolio with 3 pending office actions concentrated in the Chemistry & Materials technology area. These actions are distributed across 3 distinct examiners and 3 distinct art units, indicating a range of technical subject matter within the portfolio. This distribution suggests that the company's innovations are being evaluated by multiple specialized groups within the patent office, rather than being centralized under a single examination team.

The busiest examiner identified for the portfolio is CONLEY, SEAN EVERETT, who is currently handling 1 busiest examiner pending action. While CONLEY, SEAN EVERETT is the most active, the fact that there are 3 distinct examiners for 3 pending office actions shows that the workload is not concentrated under one individual. Practitioners should prepare for varied examination styles, as each of the 3 pending office actions is being reviewed by a different individual in a different art unit. This lack of overlap between the 3 distinct examiners and 3 distinct art units requires a tailored approach for each application to address the specific preferences of the assigned personnel.

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

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
1
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.

1
Hard (50%)
1
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

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

2
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% 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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CONLEY, SEAN EVERETT 1 70.6% +11.6%
YOO, REGINA M 1 63.8% +6.1%

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
18005844 VALIDATION OF DECONTAMINATION PROCEDURES FOR A MEDICAL DEVICE YOO, REGINA M 80d overdue

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18572004 METHOD AND APPARATUS FOR PREPARING A LIQUID PREPARATION CONLEY, SEAN EVERETT —

Top Art Units

Art UnitApps
1799 1
1758 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18572004 METHOD AND APPARATUS FOR PREPARING A LIQUID PREPARATION CONLEY, SEAN EVERETT 1799 §102 Non-Final OA — Pending Dec 19, 2023
18005844 VALIDATION OF DECONTAMINATION PROCEDURES FOR A MEDICAL DEVICE YOO, REGINA M 1758 §103§112 Final Rejection 80d overdue Pending Jan 17, 2023

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