Prosecution Insights
Last updated: May 29, 2026

Hach Company - Oliff PLC

16 pending office actions • 5 clients • 16 examiners • 15 art units • 0 of 16 (0%) have an AI response strategy ready • 12 patents granted in the last 365 days

Portfolio Summary

16
Total Pending OAs
10
Non-Final OAs
6
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 16 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

9
Overdue
2
Due this week
3
Due this month
2
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. 16 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (9)Due ≤ 7 days (2)Due ≤ 30 days (3)Due ≤ 60 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.

1
Hard (6%)
14
Medium (88%)
0
Easy (0%)
1
Unknown (6%)

Rejection Statute Mix

BucketCases
§101 only1 (6%)
§103 only13 (81%)
§102 only1 (6%)
No statute on record1 (6%)

Industry Mix

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

14
Life Sciences
88% of docket
1
Information Tech
6% of docket
0
Communications
0% of docket
1
Semiconductors
6% 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.

160 h
Manual time on pending OAs
32 h
Time saved (low, 20%)
56 h
Time saved (mid, 35%)
1.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
TALBOT, BRIAN K 1 59.1% +30.7%
BAREFORD, KATHERINE A 1 13.5% +28.5%
UDDIN, MD I 1 77.3% +73.5%
JEONG, YOUNGSUL 1 71.8% +21.3%
GONZALEZ, MADELINE 1 72.4% +15.7%
PERRIN, CLARE M 1 67.7% +42.3%
ANTHONY, JOSEPH DAVID 1 73.3% +4.0%
VON WALD, ERIC S 1 79.7% +25.1%
COOLEY, CHARLES E 1 79.1% +14.9%
MILLER-CRUZ, EKANDRA S. 1 65.4% +51.9%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18615007 COMPOSITIONS AND METHODS OF TREATING METAL SURFACES IN SURFACE PREPARATION PROCESSES BAREFORD, KATHERINE A 4d overdue
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD VON WALD, ERIC S 20d

Interview Candidates (9)

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
18615007 COMPOSITIONS AND METHODS OF TREATING METAL SURFACES IN SURFACE PREPARATION PROCESSES BAREFORD, KATHERINE A 4d overdue
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD VON WALD, ERIC S 20d
18584647 ITERATIVE PROMPT TRAINER AND REPORT GENERATOR UDDIN, MD I 28d
18368984 COMPOSITIONS AND METHODS FOR TREATING WATER BY STABILIZING IN SITU GENERATED OXIDANTS PERRIN, CLARE M 39d

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
17732
17121
17181
21691
17721
17791
17641
28571
17741
17971

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18917286 METHODS OF PROTECTING FURNACE ELECTRODES WITH COOLING LIQUID THAT CONTAINS AN ADDITIVE Chemtreat, Inc. TALBOT, BRIAN K 1712 §103 Non-Final OA 19d overdue Pending Oct 16, 2024
18615007 COMPOSITIONS AND METHODS OF TREATING METAL SURFACES IN SURFACE PREPARATION PROCESSES Chemtreat, Inc. BAREFORD, KATHERINE A 1718 §103 Non-Final OA 4d overdue Pending Mar 25, 2024
18584647 ITERATIVE PROMPT TRAINER AND REPORT GENERATOR Chemtreat, Inc. UDDIN, MD I 2169 §103 Non-Final OA 28d Pending Feb 22, 2024
18522985 METHODS FOR RECOVERING FLY ASH USING A SELECTIVE FLOCCULANT Chemtreat, Inc. JEONG, YOUNGSUL 1772 §103 Non-Final OA 11d overdue Pending Nov 29, 2023
18388361 DISINFECTION REACTOR WITH SPIRAL FLOW Trojan Technologies Group Ulc GONZALEZ, MADELINE 1773 §102 Non-Final OA 9d overdue Pending Nov 09, 2023
18368984 COMPOSITIONS AND METHODS FOR TREATING WATER BY STABILIZING IN SITU GENERATED OXIDANTS Chemtreat, Inc. PERRIN, CLARE M 1779 §103 Final Rejection 39d Pending Sep 15, 2023
18235992 NON-TRIAZOLE COMPOUNDS AND METHODS FOR INHIBITING CORROSION USING NON-TRIAZOLE COMPOUNDS Chemtreat, Inc. ANTHONY, JOSEPH DAVID 1764 §103 Non-Final OA 7d Pending Aug 21, 2023
18216754 METEOROLOGICAL EVENT DETECTION USING GRADIENT DESCENT METHOD Ott Hydromet Corp. VON WALD, ERIC S 2857 §101 Final Rejection 20d Pending Jun 30, 2023
18199609 ASYMMETRICAL MAGNETIC STIR BAR Hach Company COOLEY, CHARLES E 1774 §103 Final Rejection 57d Pending May 19, 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 Non-Final OA 9d overdue Pending May 19, 2023
18151161 POTASSIUM MALEATE BUFFER FOR FREE CHLORINE ANALYSIS Hach Company ALABI, OYELEYE A 1797 §103 Non-Final OA 6d Pending Jan 06, 2023
18083656 METHODS AND KITS FOR ASSAYING A LARGE FLUID VOLUME USING FLOW CYTOMETRY Hach Company IANNUZO, NATALIE NMN 1653 §103 Final Rejection 4d overdue Pending Dec 19, 2022
18076964 FLUORESCENCE DETECTION OF SULFITE IN WATER TREATMENT APPLICATIONS Chemtreat, Inc. GERMAIN, ADAM ADRIEN 1777 §103 Non-Final OA 19d overdue Pending Dec 07, 2022
17961180 METHODS OF TREATING ADIABATIC COOLING MEDIA IN EVAPORATIVE COOLING SYSTEMS Chemtreat, Inc. STANLEY, JANE L 1767 Final Rejection 169d overdue Pending Oct 06, 2022
17673987 METHODS AND SYSTEMS FOR EVALUATING ORGANIC CONTAMINANTS IN WATER Chemtreat, Inc. FRITCHMAN, REBECCA M 1758 §103 Final Rejection 14d Pending Feb 17, 2022
17138073 CORROSION CONTROL OF STAINLESS STEELS IN WATER SYSTEMS USING TIN CORROSION INHIBITOR WITH A HYDROXYCARBOXYLIC ACID Chemtreat, Inc. GOLOBOY, JAMES C 1771 §103 Non-Final OA 51d overdue Pending Dec 30, 2020

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