Prosecution Insights
Last updated: August 14, 2026

Kurita Water Industries Ltd.

14 pending office actions • 8 art units • 13 examiners • 0 of 14 (0%) have an AI response strategy ready • 13 patents granted in the last 365 days

Portfolio Summary

14
Total Pending OAs
9
Non-Final OAs
4
Final Rejections
1
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.

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

-30dToday30d60d90d120d
Overdue (4)Due ≤ 30 days (1)Due ≤ 60 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.

6
Hard (43%)
7
Medium (50%)
1
Easy (7%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (7%)
§103 only6 (43%)
§102 only1 (7%)
§112 only1 (7%)
Multi-statute (no §101)5 (36%)

Industry Mix

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

8
Life Sciences
57% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
7% of docket
5
Business / Other
36% 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.

140 h
Manual time on pending OAs
28 h
Time saved (low, 20%)
49 h
Time saved (mid, 35%)
1.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SPIES, BRADLEY R 2 74.1% +20.7%
ROYSTON, JOHN M 1 77.9% +16.6%
RIVERA-CORDERO, ARLYN I 1 62.5% +27.2%
BREWSTER, HAYDEN R 1 62.3% +48.5%
CHORBAJI, MONZER R 1 76.4% +21.2%
PRICE, CRAIG JAMES 1 68.7% +22.1%
KOLTONOW, ANDREW ROBERT 1 46.3% +33.8%
MCDERMOTT, JEANNIE 1 59.9% +15.6%
ORTA, LAUREN GRACE 1 77.0% +29.2%
ELLINGTON, MARRIAH C G 1 46.7% +33.0%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17928535 METHOD FOR PROVIDING CORROSION PROTECTION TO A PRESSURIZED WATER-STEAM SYSTEM DIAZ, MATTHEW R 51d overdue
18008955 PURE WATER PRODUCTION METHOD ELLINGTON, MARRIAH C G 22d
18006933 WAFER CLEANING WATER SUPPLY DEVICE ORTA, LAUREN GRACE 60d
18711100 WARM ULTRAPURE WATER PRODUCTION DEVICE SPIES, BRADLEY R
18554019 ELECTRODEIONIZATION SYSTEM AND CONTROL METHOD FOR ELECTRODEIONIZATION SYSTEM KOLTONOW, ANDREW ROBERT
18020613 SAMPLING DEVICE FOR COAGULATION TREATMENT DEVICE, COAGULATION TREATMENT DEVICE, AND WATER TREATMENT METHOD MCDERMOTT, JEANNIE

Interview Candidates (11)

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
18689405 DEVICE FOR SUPPLYING LIQUID FOR SEMICONDUCTOR MANUFACTURING PRICE, CRAIG JAMES 28d overdue
18008955 PURE WATER PRODUCTION METHOD ELLINGTON, MARRIAH C G 22d
18006933 WAFER CLEANING WATER SUPPLY DEVICE ORTA, LAUREN GRACE 60d
18860686 UNDERWATER BUBBLE DETECTING METHOD, AND DEGASSING AGENT ADDING METHOD EMPLOYING SAME ROYSTON, JOHN M
18843320 ELECTRONIC COMPONENT CLEANING METHOD RIVERA-CORDERO, ARLYN I
18841671 WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD SPIES, BRADLEY R
18721662 MICROORGANISM CONTAMINATION PREVENTION METHOD FOR WATER SYSTEM BREWSTER, HAYDEN R
18711100 WARM ULTRAPURE WATER PRODUCTION DEVICE SPIES, BRADLEY R

Top Art Units

Art UnitApps
1761 2
1714 1
1799 1
3753 1
1777 1
1711 1
1773 1
1794 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18860686 UNDERWATER BUBBLE DETECTING METHOD, AND DEGASSING AGENT ADDING METHOD EMPLOYING SAME ROYSTON, JOHN M §103 Non-Final OA Pending Oct 27, 2024
18843320 ELECTRONIC COMPONENT CLEANING METHOD RIVERA-CORDERO, ARLYN I 1714 §103 Final Rejection Pending Sep 03, 2024
18841671 WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD SPIES, BRADLEY R §112 Non-Final OA Pending Aug 26, 2024
18721662 MICROORGANISM CONTAMINATION PREVENTION METHOD FOR WATER SYSTEM BREWSTER, HAYDEN R §103 Non-Final OA Pending Jun 19, 2024
18711100 WARM ULTRAPURE WATER PRODUCTION DEVICE SPIES, BRADLEY R §102§103 Non-Final OA Pending May 16, 2024
18699889 METAL CORROSION PROTECTION TREATMENT METHOD FOR WATER SYSTEM CHORBAJI, MONZER R 1799 §102 Non-Final OA Pending Apr 09, 2024
18689405 DEVICE FOR SUPPLYING LIQUID FOR SEMICONDUCTOR MANUFACTURING PRICE, CRAIG JAMES 3753 §103 Non-Final OA 28d overdue Pending Mar 05, 2024
18554019 ELECTRODEIONIZATION SYSTEM AND CONTROL METHOD FOR ELECTRODEIONIZATION SYSTEM KOLTONOW, ANDREW ROBERT §102§103§112 Non-Final OA Pending Oct 05, 2023
18020613 SAMPLING DEVICE FOR COAGULATION TREATMENT DEVICE, COAGULATION TREATMENT DEVICE, AND WATER TREATMENT METHOD MCDERMOTT, JEANNIE 1777 §103§112 Non-Final OA Pending Feb 09, 2023
18006933 WAFER CLEANING WATER SUPPLY DEVICE ORTA, LAUREN GRACE 1711 §103§112 Final Rejection 60d Pending Jan 26, 2023
18008955 PURE WATER PRODUCTION METHOD ELLINGTON, MARRIAH C G 1773 §101§102§103§112 Non-Final OA 22d Pending Dec 07, 2022
17928535 METHOD FOR PROVIDING CORROSION PROTECTION TO A PRESSURIZED WATER-STEAM SYSTEM DIAZ, MATTHEW R 1761 §103§112 Final Rejection 51d overdue Pending Nov 29, 2022
17912910 STARTUP METHOD FOR ELECTROLYTIC SULFURIC ACID SOLUTION MANUFACTURING SYSTEM RIPA, BRYAN D 1794 §103 Non-Final OA 43d overdue Pending Sep 20, 2022
17909988 METHOD FOR SUPPRESSING CORROSION FATIGUE OF BOILER EVAPORATION TUBE NGUYEN, HAIDUNG D 1761 §103 Final Rejection 155d overdue Pending Sep 07, 2022

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