Prosecution Insights
Last updated: October 25, 2026

Norton (Waterford) Limited

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

8 pending office actions • 4 art units • 8 examiners • 0 of 8 (0%) have an AI response strategy ready

Analysis

Norton (Waterford) Limited currently manages 8 pending office actions in the Medical Devices & Mechanical Engineering technology area. Each of these 8 pending office actions is assigned to a different person, as there are 8 distinct examiners involved. The portfolio is distributed across 4 distinct art units, suggesting that the 8 distinct examiners are working within a few specialized technical groups. SIOZOPOULOS, CONSTANTINE B is the busiest examiner, though they only have 1 pending office action. This perfectly even distribution means no single examiner has a larger influence than any other on the current portfolio.

The 4 distinct art units indicate a focused technical range for the company's innovations. For practitioners, the 8 distinct examiners represent different sets of perspectives and procedural habits. The 8 pending office actions constitute the entire active workload for the company in this sector. With 4 distinct art units involved, the company's innovations are being evaluated by several different technical groups. The presence of 8 distinct examiners requires the company to manage multiple prosecution styles simultaneously. These 8 pending office actions represent the current active workload for Norton (Waterford) Limited. The involvement of 1 pending office action with SIOZOPOULOS, CONSTANTINE B is the only point of examiner overlap.

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

Portfolio Summary

8
Total Pending OAs
6
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 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
2
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 60 days (2)

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.

7
Hard (88%)
1
Medium (12%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other5 (62%)
§103 only1 (12%)
Multi-statute (no §101)2 (25%)

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
8
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.

80 h
Manual time on pending OAs
16 h
Time saved (low, 20%)
28 h
Time saved (mid, 35%)
0.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SIOZOPOULOS, CONSTANTINE B 1 57.5% +39.6%
DOWNEY, JOHN R 1 60.0% +23.6%
GREIG, THOMAS W 1 74.9% +23.6%
RUSSELL, SYDNEY REYES 1 51.4% +56.8%
VO, TU A 1 61.0% +58.0%
JANG, JAEICK 1 66.7% +53.7%
RUDDIE, ELLIOT S 1 66.0% +41.7%
KANAAN, LIZA TONY 1 23.4% +31.5%

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18751627 INHALER SYSTEM DOWNEY, JOHN R 34d
18448570 Dry Powder Medicament Inhaler RUDDIE, ELLIOT S 40d
19470753 SYSTEM AND METHOD FOR NON-EOSINOPHILIC ASTHMA SIOZOPOULOS, CONSTANTINE B —
18740754 INHALER GREIG, THOMAS W —
18645057 ELECTRONIC MODULE FOR MEDICAL DEVICE RUSSELL, SYDNEY REYES —
18558126 INHALER SYSTEM JANG, JAEICK —
17505821 Inhaler System KANAAN, LIZA TONY —

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18409231 DRUG DELIVERY DEVICE WITH ELECTRONICS VO, TU A 146d overdue
18751627 INHALER SYSTEM DOWNEY, JOHN R 34d
18448570 Dry Powder Medicament Inhaler RUDDIE, ELLIOT S 40d
19470753 SYSTEM AND METHOD FOR NON-EOSINOPHILIC ASTHMA SIOZOPOULOS, CONSTANTINE B —
18740754 INHALER GREIG, THOMAS W —
18645057 ELECTRONIC MODULE FOR MEDICAL DEVICE RUSSELL, SYDNEY REYES —
18558126 INHALER SYSTEM JANG, JAEICK —
17505821 Inhaler System KANAAN, LIZA TONY —

Top Art Units

Art UnitApps
3785 5
3686 1
3792 1
3683 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19470753 SYSTEM AND METHOD FOR NON-EOSINOPHILIC ASTHMA SIOZOPOULOS, CONSTANTINE B 3686 §101§103 Non-Final OA — Pending Sep 29, 2025
18751627 INHALER SYSTEM DOWNEY, JOHN R 3792 §101§103 Final Rejection 34d Pending Jun 24, 2024
18740754 INHALER GREIG, THOMAS W 3785 §103§112 Non-Final OA — Pending Jun 12, 2024
18645057 ELECTRONIC MODULE FOR MEDICAL DEVICE RUSSELL, SYDNEY REYES 3785 §102§103§112 Non-Final OA — Pending Apr 24, 2024
18409231 DRUG DELIVERY DEVICE WITH ELECTRONICS VO, TU A 3785 §103Other Non-Final OA 146d overdue Pending Jan 10, 2024
18558126 INHALER SYSTEM JANG, JAEICK 3785 §101§102§103§112 Non-Final OA — Pending Oct 30, 2023
18448570 Dry Powder Medicament Inhaler RUDDIE, ELLIOT S 3785 §101§103§112 Final Rejection 40d Pending Aug 11, 2023
17505821 Inhaler System KANAAN, LIZA TONY 3683 §101§103 Non-Final OA — Pending Oct 20, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Norton (Waterford) Limited have?

Norton (Waterford) Limited has 8 pending office actions as of October 2026, spread across 4 art units and 8 examiners.

Which USPTO examiner handles the most Norton (Waterford) Limited applications?

Constantine B Siozopoulos has the most, with 1 of Norton (Waterford) Limited's pending office actions.

What technology area are Norton (Waterford) Limited's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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