Prosecution Insights
Last updated: August 15, 2026

Hach Company

11 pending office actions • 6 art units • 10 examiners • 0 of 11 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
7
Non-Final OAs
4
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.

1
Overdue
1
Due this week
2
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 (1)Due ≤ 7 days (1)Due ≤ 30 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 (64%)
3
Medium (27%)
1
Easy (9%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (9%)
§103 only3 (27%)
§112 only1 (9%)
Multi-statute (no §101)6 (55%)

Industry Mix

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

9
Life Sciences
82% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
18% 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
WALLENHORST, MAUREEN 2 78.9% +5.7%
BERA, HENA RAKESHKUMAR 1
KWAK, DEAN P 1 58.7% +37.4%
SPIES, BRADLEY R 1 74.1% +20.7%
KUMAR, SRILAKSHMI K 1 50.5% +16.0%
ALABI, OYELEYE A 1 84.3% +24.7%
IANNUZO, NATALIE NMN 1 13.2% +83.3%
GODENSCHWAGER, PETER F 1 67.9% +17.8%
GERIDO, DWAN A 1 58.0% +30.7%
KOLTONOW, ANDREW ROBERT 1 46.3% +33.8%

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
18083656 METHODS AND KITS FOR ASSAYING A LARGE FLUID VOLUME USING FLOW CYTOMETRY IANNUZO, NATALIE NMN 4d overdue
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS ALABI, OYELEYE A 6d
18398735 HYDROGEN SULFIDE TEST KIT AND METHOD FOR DETECTING HYDROGEN SULFIDE IN AN AQUEOUS SAMPLE KWAK, DEAN P
18377587 METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE SPIES, BRADLEY R
18319143 THIOCARBAMATE-BASED INDICATOR DETECTION OF OZONE KUMAR, SRILAKSHMI K
17950415 IRON MITIGATION ZINC MEASUREMENT WALLENHORST, MAUREEN
17598575 NON-BLEACHING COLORIMETRIC AND FLUOROMETRIC ANALYTE DETECTION BY DEGRADATION OF SOLIDS GERIDO, DWAN A

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
18083656 METHODS AND KITS FOR ASSAYING A LARGE FLUID VOLUME USING FLOW CYTOMETRY IANNUZO, NATALIE NMN 4d overdue
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS ALABI, OYELEYE A 6d
16931943 SP3 SUBSTITUTED CARBON ELECTRODE ANALYSIS KOLTONOW, ANDREW ROBERT 15d
18078146 SILANE-FLUOROPHORE COMPLEX INDICATOR FLUORIDE MEASUREMENT WITH ETHANOL GODENSCHWAGER, PETER F 30d
18398735 HYDROGEN SULFIDE TEST KIT AND METHOD FOR DETECTING HYDROGEN SULFIDE IN AN AQUEOUS SAMPLE KWAK, DEAN P
18377587 METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE SPIES, BRADLEY R
18319143 THIOCARBAMATE-BASED INDICATOR DETECTION OF OZONE KUMAR, SRILAKSHMI K
17598575 NON-BLEACHING COLORIMETRIC AND FLUOROMETRIC ANALYTE DETECTION BY DEGRADATION OF SOLIDS GERIDO, DWAN A

Top Art Units

Art UnitApps
1797 4
1777 1
1796 1
1653 1
1767 1
1795 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18440378 POTASSIUM MEASUREMENT WITH SODIUM GLUCONATE BERA, HENA RAKESHKUMAR §103 Non-Final OA Pending Feb 13, 2024
18398735 HYDROGEN SULFIDE TEST KIT AND METHOD FOR DETECTING HYDROGEN SULFIDE IN AN AQUEOUS SAMPLE KWAK, DEAN P §103§112 Non-Final OA Pending Dec 28, 2023
18377587 METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE SPIES, BRADLEY R 1777 §102§103 Non-Final OA Pending Oct 06, 2023
18319143 THIOCARBAMATE-BASED INDICATOR DETECTION OF OZONE KUMAR, SRILAKSHMI K 1796 §103§112 Final Rejection Pending May 17, 2023
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS ALABI, OYELEYE A 1797 §101§103 Final Rejection 6d Pending Jan 06, 2023
18083656 METHODS AND KITS FOR ASSAYING A LARGE FLUID VOLUME USING FLOW CYTOMETRY IANNUZO, NATALIE NMN 1653 §102§103§112 Non-Final OA 4d overdue Pending Dec 19, 2022
18078146 SILANE-FLUOROPHORE COMPLEX INDICATOR FLUORIDE MEASUREMENT WITH ETHANOL GODENSCHWAGER, PETER F 1767 §103 Non-Final OA 30d Pending Dec 09, 2022
18060181 INDIGO-BASED INDICATOR DETECTION OF OZONE WALLENHORST, MAUREEN 1797 §103Other Final Rejection Pending Nov 30, 2022
17950415 IRON MITIGATION ZINC MEASUREMENT WALLENHORST, MAUREEN 1797 §103§112 Final Rejection Pending Sep 22, 2022
17598575 NON-BLEACHING COLORIMETRIC AND FLUOROMETRIC ANALYTE DETECTION BY DEGRADATION OF SOLIDS GERIDO, DWAN A 1797 §103§112 Non-Final OA Pending Sep 27, 2021
16931943 SP3 SUBSTITUTED CARBON ELECTRODE ANALYSIS KOLTONOW, ANDREW ROBERT 1795 §112 Non-Final OA 15d Pending Jul 17, 2020

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