Prosecution Insights
Last updated: August 06, 2026

Hach Company - Oliff PLC

14 pending office actions • 5 clients • 13 examiners • 9 art units • 0 of 14 (0%) have an AI response strategy ready

Quality Metrics (n=96541 apps, methodology: how we score firms)

87.7%
Allowance Rate
n=96541
+0.56σ
Allowance Rate (norm)
n=96541
3.0
OAs to Allowance
n=76592
-0.25σ
OAs to Allow (norm)
n=76592
1025 days
Time to Allowance
n=76592
+4.3pp
Interview Lift
n=96541
23.0%
RCE Rate
n=96541
0.8%
Appeal Rate
n=96541

Rejection Performance (% of received rejections ultimately overcome)

76.8%
§101 Overcome
n=6005
83.3%
§102 Overcome
n=29916
82.9%
§103 Overcome
n=46015
84.9%
§112 Overcome
n=27952

Specialization & Scale

H04N, Y02T, Y10T
Top CPC Subclasses
8%
Top-3 CPC Share
n=96541
24
Practitioners
n=96541
4022.5
Apps / Practitioner
n=96541

Portfolio Summary

14
Total Pending OAs
6
Non-Final OAs
7
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 10 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
1
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. 10 of the docket's apps have a known mailing date.

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

9
Hard (64%)
5
Medium (36%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (14%)
§103 only5 (36%)
Multi-statute (no §101)7 (50%)

Industry Mix

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

11
Life Sciences
79% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
7% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
14% 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
GONZALEZ, MADELINE 2 72.3% +15.9%
RAABE, CHRISTOPHER M 1 68.0% +27.6%
TALBOT, BRIAN K 1 59.1% +31.0%
KWAK, DEAN P 1 58.8% +37.2%
JEONG, YOUNGSUL 1 71.6% +21.3%
SPIES, BRADLEY R 1 74.1% +20.7%
PERRIN, CLARE M 1 68.0% +42.0%
RASTOVSKI, CATHERINE T 1 67.7% +29.2%
MILLER-CRUZ, EKANDRA S. 1 65.5% +51.9%
ALABI, OYELEYE A 1 84.3% +24.7%

Hard Cases (9)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17961180 METHODS OF TREATING ADIABATIC COOLING MEDIA IN EVAPORATIVE COOLING SYSTEMS STANLEY, JANE L 169d overdue
18076964 FLUORESCENCE DETECTION OF SULFITE IN WATER TREATMENT APPLICATIONS GERMAIN, ADAM ADRIEN 19d overdue
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
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD RASTOVSKI, CATHERINE T 20d
18951940 UV RADIATION SOURCE ASSEMBLY RAABE, CHRISTOPHER M
18422226 UV RADIATION APPARATUS FOR TREATING FLUIDS GONZALEZ, MADELINE
18398735 HYDROGEN SULFIDE TEST KIT AND METHOD FOR DETECTING HYDROGEN SULFIDE IN AN AQUEOUS SAMPLE KWAK, DEAN P

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
18917286 METHODS OF PROTECTING FURNACE ELECTRODES WITH COOLING LIQUID THAT CONTAINS AN ADDITIVE TALBOT, BRIAN K 19d overdue
18522985 METHODS FOR RECOVERING FLY ASH USING A SELECTIVE FLOCCULANT JEONG, YOUNGSUL 11d overdue
18388361 DISINFECTION REACTOR WITH SPIRAL FLOW GONZALEZ, MADELINE 9d overdue
18199548 INTEGRATED THERMAL HYDROLYSIS AND VACUUM DIGESTION FOR TREATING FLUID USING A BIOCHEMICAL PROCESS MILLER-CRUZ, EKANDRA S. 9d overdue
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS ALABI, OYELEYE A 6d
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD RASTOVSKI, CATHERINE T 20d
18368984 COMPOSITIONS AND METHODS FOR TREATING WATER BY STABILIZING IN SITU GENERATED OXIDANTS PERRIN, CLARE M 39d
18951940 UV RADIATION SOURCE ASSEMBLY RAABE, CHRISTOPHER M

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
17733
17772
17121
17721
17791
28571
17971
16531
17671

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18951940 UV RADIATION SOURCE ASSEMBLY Trojan Technologies Group Ulc RAABE, CHRISTOPHER M §102§103 Non-Final OA Pending Nov 19, 2024
18917286 METHODS OF PROTECTING FURNACE ELECTRODES WITH COOLING LIQUID THAT CONTAINS AN ADDITIVE Chemtreat, Inc. TALBOT, BRIAN K 1712 §103 Final Rejection 19d overdue Pending Oct 16, 2024
18422226 UV RADIATION APPARATUS FOR TREATING FLUIDS Trojan Technologies Group Ulc GONZALEZ, MADELINE 1773 §102§103§112 Non-Final OA Pending Jan 25, 2024
18398735 HYDROGEN SULFIDE TEST KIT AND METHOD FOR DETECTING HYDROGEN SULFIDE IN AN AQUEOUS SAMPLE Hach Company KWAK, DEAN P §103§112 Non-Final OA Pending Dec 28, 2023
18522985 METHODS FOR RECOVERING FLY ASH USING A SELECTIVE FLOCCULANT Chemtreat, Inc. JEONG, YOUNGSUL 1772 §103 Final Rejection 11d overdue Pending Nov 29, 2023
18388361 DISINFECTION REACTOR WITH SPIRAL FLOW Trojan Technologies Group Ulc GONZALEZ, MADELINE 1773 §103 Final Rejection 9d overdue Pending Nov 09, 2023
18377587 METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE Hach Company SPIES, BRADLEY R 1777 §102§103 Non-Final OA Pending Oct 06, 2023
18368984 COMPOSITIONS AND METHODS FOR TREATING WATER BY STABILIZING IN SITU GENERATED OXIDANTS Chemtreat, Inc. PERRIN, CLARE M 1779 §103 Non-Final OA 39d Pending Sep 15, 2023
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD Ott Hydromet Corp. RASTOVSKI, CATHERINE T 2857 §101§112 Non-Final OA 20d Pending Jun 30, 2023
18199548 INTEGRATED THERMAL HYDROLYSIS AND VACUUM DIGESTION FOR TREATING FLUID USING A BIOCHEMICAL PROCESS U.S. Peroxide, LLC MILLER-CRUZ, EKANDRA S. 1773 §103 Final Rejection 9d overdue Pending May 19, 2023
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS Hach Company 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 Hach Company IANNUZO, NATALIE NMN 1653 §102§103§112 Non-Final OA 4d overdue Pending Dec 19, 2022
18076964 FLUORESCENCE DETECTION OF SULFITE IN WATER TREATMENT APPLICATIONS Chemtreat, Inc. GERMAIN, ADAM ADRIEN 1777 §103§112 Final Rejection 19d overdue Pending Dec 07, 2022
17961180 METHODS OF TREATING ADIABATIC COOLING MEDIA IN EVAPORATIVE COOLING SYSTEMS Chemtreat, Inc. STANLEY, JANE L 1767 §102§103§112 Final Rejection 169d overdue Pending Oct 06, 2022

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