Prosecution Insights
Last updated: October 25, 2026

Nexeon Limited

Technology area: Chemistry & Materials

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Analysis

Nexeon Limited is currently managing 5 pending office actions within the Chemistry & Materials technology area. These actions are spread across 4 distinct art units, which suggests that the company's chemical and material innovations are being evaluated across several specialized technical divisions. The workload involves 4 distinct examiners, requiring the company to navigate multiple individual examination styles simultaneously.

The distribution of these cases shows some concentration, as the busiest examiner, NGUYEN, HAIDUNG D, is responsible for 2 pending office actions. This leaves the remaining actions to be handled by the other distinct examiners. This mix of concentrated and distributed oversight means that while NGUYEN, HAIDUNG D has the most influence on the current portfolio, multiple cases within the 5 pending office actions are still subject to independent reviews by different examiners. NGUYEN, HAIDUNG D manages 2 pending office actions, which is the highest count for any single examiner in this Chemistry & Materials portfolio.

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

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

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Double-patenting only1 (33%)
Multi-statute (no §101)1 (33%)

Industry Mix

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

3
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.

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, HAIDUNG D 1 64.8% +28.1%
TADAYYON ESLAMI, TABASSOM 1 49.4% +26.4%
ARMSTRONG, KAREN JOYCE 1 66.7% +11.1%

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
18855068 CONTINUOUS PROCESS FOR THE PREPARATION OF SILICON-CONTAINING COMPOSITE PARTICLES TADAYYON ESLAMI, TABASSOM —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
19050254 Electroactive Materials for Metal-Ion Batteries NGUYEN, HAIDUNG D —
18855068 CONTINUOUS PROCESS FOR THE PREPARATION OF SILICON-CONTAINING COMPOSITE PARTICLES TADAYYON ESLAMI, TABASSOM —
18040006 Electroactive Materials for Metal-Ion Batteries ARMSTRONG, KAREN JOYCE —

Top Art Units

Art UnitApps
1761 1
1718 1
1726 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19050254 Electroactive Materials for Metal-Ion Batteries NGUYEN, HAIDUNG D 1761 DP Non-Final OA — Pending Feb 11, 2025
18855068 CONTINUOUS PROCESS FOR THE PREPARATION OF SILICON-CONTAINING COMPOSITE PARTICLES TADAYYON ESLAMI, TABASSOM 1718 §102§103§112 Non-Final OA — Pending Oct 08, 2024
18040006 Electroactive Materials for Metal-Ion Batteries ARMSTRONG, KAREN JOYCE 1726 §103 Non-Final OA — Pending Jan 31, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Nexeon Limited have?

Nexeon Limited has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Nexeon Limited applications?

Haidung D Nguyen has the most, with 1 of Nexeon Limited's pending office actions.

What technology area are Nexeon Limited's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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