Prosecution Insights
Last updated: October 25, 2026

UPL Corporation Limited

Technology area: Biotechnology & Pharmaceuticals

11 pending office actions • 7 art units • 9 examiners • 0 of 11 (0%) have an AI response strategy ready • 10 patents granted in the last 365 days

Analysis

UPL Corporation Limited has 11 pending office actions in Biotechnology & Pharmaceuticals. The matters are distributed among 9 distinct examiners and 7 distinct art units. The figures indicate a portfolio with several parallel examination relationships and some clustering within the technical organization.

SCHLIENTZ, NATHAN W is the busiest examiner with 2 pending matters. That examiner handles more than one matter, but the remaining workload is distributed among other examiners and art units. Counsel can use the shared technology area to coordinate substantive positions while maintaining separate response plans for each examination channel.

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

Portfolio Summary

11
Total Pending OAs
6
Non-Final OAs
5
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
1
Due this week
1
Due this month
0
Due in next 60 days
1
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. 6 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 7 days (1)Due ≤ 30 days (1)Due later (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.

3
Hard (27%)
8
Medium (73%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (45%)
Double-patenting + other3 (27%)
Multi-statute (no §101)3 (27%)

Industry Mix

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

11
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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SCHLIENTZ, NATHAN W 2 41.3% -18.8%
KETCHAM, KAREN A 2 19.6% +37.2%
ANTHONY, JOSEPH DAVID 1 73.2% +5.3%
SHOMER, ISAAC 1 63.1% +30.5%
BROWE, DAVID 1 26.7% +28.0%
PHAN, DOAN THI-THUC 1 42.8% +47.6%
LOVE, TREVOR M 1 43.1% +26.8%
BOATENG, AFUA BAMFOAA 1 46.7% +64.5%
SAEED, ALI S 1 31.6% +33.8%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
16423491 BEAD COMPOSITIONS FOR AQUATIC WEED CONTROL SAEED, ALI S 147d overdue
17615637 Compositions of Dicarboxylic Acid Derivatives SHOMER, ISAAC 49d overdue
17258525 A STABLE LIQUID AGROCHEMICAL FORMULATION KETCHAM, KAREN A 5d
19011836 STABLE AGROCHEMICAL COMPOSITION KETCHAM, KAREN A —
17603995 A Stable Insecticide Composition BROWE, DAVID —

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
16423491 BEAD COMPOSITIONS FOR AQUATIC WEED CONTROL SAEED, ALI S 147d overdue
17615637 Compositions of Dicarboxylic Acid Derivatives SHOMER, ISAAC 49d overdue
17040871 FUNGICIDAL COMBINATIONS LOVE, TREVOR M 1d overdue
17258525 A STABLE LIQUID AGROCHEMICAL FORMULATION KETCHAM, KAREN A 5d
17251579 STABLE CO-FORMULATION OF BENZOYLUREA WITH PYRETHROIDS PHAN, DOAN THI-THUC 27d
19011836 STABLE AGROCHEMICAL COMPOSITION KETCHAM, KAREN A —
17603995 A Stable Insecticide Composition BROWE, DAVID —
16980578 HERBICIDAL COMBINATIONS BOATENG, AFUA BAMFOAA —

Top Art Units

Art UnitApps
1616 3
1614 2
1617 2
1764 1
1612 1
1613 1
1611 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19198606 FUNGICIDAL COMBINATIONS SCHLIENTZ, NATHAN W 1616 §103§112DP Non-Final OA — Pending May 05, 2025
19011836 STABLE AGROCHEMICAL COMPOSITION KETCHAM, KAREN A 1614 §102§103 Non-Final OA — Pending Jan 07, 2025
17907810 AN AGROCHEMICAL COMPOSITION SCHLIENTZ, NATHAN W 1616 §102§103DP Non-Final OA — Pending Aug 29, 2022
17895733 PROCESS FOR PREPARATION OF SUPERABSORBENT POLYMER ANTHONY, JOSEPH DAVID 1764 §103DP Non-Final OA 79d Pending Aug 25, 2022
17615637 Compositions of Dicarboxylic Acid Derivatives SHOMER, ISAAC 1612 §103§112 Final Rejection 49d overdue Pending Dec 01, 2021
17603995 A Stable Insecticide Composition BROWE, DAVID 1617 §103 Final Rejection — Pending Oct 15, 2021
17258525 A STABLE LIQUID AGROCHEMICAL FORMULATION KETCHAM, KAREN A 1614 §103 Final Rejection 5d Pending Jan 07, 2021
17251579 STABLE CO-FORMULATION OF BENZOYLUREA WITH PYRETHROIDS PHAN, DOAN THI-THUC 1613 §103 Final Rejection 27d Pending Dec 11, 2020
17040871 FUNGICIDAL COMBINATIONS LOVE, TREVOR M 1611 §103 Final Rejection 1d overdue Pending Sep 23, 2020
16980578 HERBICIDAL COMBINATIONS BOATENG, AFUA BAMFOAA 1617 §103 Non-Final OA — Pending Sep 14, 2020
16423491 BEAD COMPOSITIONS FOR AQUATIC WEED CONTROL SAEED, ALI S 1616 §103§112 Non-Final OA 147d overdue Pending May 28, 2019

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Frequently Asked Questions

How many pending USPTO office actions does UPL Corporation Limited have?

UPL Corporation Limited has 11 pending office actions as of October 2026, spread across 7 art units and 9 examiners.

Which USPTO examiner handles the most UPL Corporation Limited applications?

Nathan W Schlientz has the most, with 2 of UPL Corporation Limited's pending office actions.

What technology area are UPL Corporation Limited's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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