Prosecution Insights
Last updated: May 29, 2026

Sterling Specialty Chemicals Holding UK Limited

4 pending office actions • 3 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
Due this month
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (1)

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.

0
Hard (0%)
3
Medium (75%)
0
Easy (0%)
1
Unknown (25%)

Rejection Statute Mix

BucketCases
§103 only2 (50%)
§102 only1 (25%)
No statute on record1 (25%)

Industry Mix

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

1
Life Sciences
25% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
25% of docket
2
Mechanical / Eng
50% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SUE-AKO, ANDREW B. 2 71.5% +27.4%
MORELLO, JEAN F 1 69.4% +9.4%
CAI, WENWEN 1 59.9% +20.2%

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
19097454 SELF-INVERTIBLE POLYMERIC WATER-IN-OIL EMULSION AND ITS USE AS FRICTION REDUCERS SUE-AKO, ANDREW B. 110d overdue
18804760 INVERTING PACKAGES, EMULSIONS, AND METHODS SUE-AKO, ANDREW B. 43d overdue
18376286 METHOD AND COMPOSITION FOR TREATING TAILINGS CAI, WENWEN 14d

Top Art Units

Art UnitApps
3674 2
2855 1
1763 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19097454 SELF-INVERTIBLE POLYMERIC WATER-IN-OIL EMULSION AND ITS USE AS FRICTION REDUCERS SUE-AKO, ANDREW B. 3674 §103 Non-Final OA 110d overdue Pending Apr 01, 2025
18804760 INVERTING PACKAGES, EMULSIONS, AND METHODS SUE-AKO, ANDREW B. 3674 §102 Final Rejection 43d overdue Pending Aug 14, 2024
18566126 REAL TIME DETECTION OF SOLIDS CONTENT IN AQUEOUS COLLOIDAL DISPERSIONS SUCH AS OIL SANDS TAILINGS USING MICROWAVE SENSORS MORELLO, JEAN F 2855 §103 Non-Final OA 81d overdue Pending Dec 01, 2023
18376286 METHOD AND COMPOSITION FOR TREATING TAILINGS CAI, WENWEN 1763 Other Non-Final OA 14d Pending Oct 03, 2023

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